{"artifacts":{"doi:10.1016/j.calphad.2005.12.006/p6/text-78":{"artifact":"text_passage","label":"page 6, passage 78","page":6},"doi:10.1016/j.calphad.2005.12.006/p7/tab-4":{"artifact":"table","caption":"Calculated and experimental [10,9] invariant reactions","label":"4","page":7},"doi:10.1016/j.calphad.2005.12.006/p8/tab-5":{"artifact":"table","caption":"Enthalpies of formation (kJ/mol atom) of intermetallic compounds in Zn–Zr system","label":"5","page":8}},"cite_as":{"also_cite":["the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work)"],"bibtex":"@misc{orchid_literature_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23735569},\n  url       = {https://doi.org/10.5281/zenodo.23735569},\n  note      = {Version 1, machine-extracted}\n}","dataset":"literature","doi":"10.5281/zenodo.23735569","license":"CC-BY-4.0","part_of":{"bibtex":"@misc{orchid_data_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23736065},\n  url       = {https://doi.org/10.5281/zenodo.23736065},\n  note      = {Version 1, machine-extracted}\n}","doi":"10.5281/zenodo.23736065","text":"R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23736065","title":"ORCHID data: umbrella record of the ORCHID datasets","url":"https://doi.org/10.5281/zenodo.23736065"},"release_tag":"v2026.10","status":"Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.","text":"R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735569","title":"ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature","url":"https://doi.org/10.5281/zenodo.23735569","version":"2026.10"},"contexts":{},"elements":["ZN","ZR"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M35139d4d":{"catalog_entry":{"license":"CC BY 4.0","name":"ZnZr-06Arr-first.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_doi":"10.1016/j.calphad.2005.12.006","reproduced_by_calculation":true,"tdb":"ZnZr-06Arr-first.tdb","tdb_path":"databases/sgte-binary/ZnZr-06Arr-first.tdb","tdb_sha256":"d8bfc9b911d493b605f3799d6390fad2ad17ec42086ef574e75c2a986de2b0ff"},"M92a59586":{"catalog_entry":{"license":"CC BY 4.0","name":"ZnZr-06Arr-first.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_doi":"10.1016/j.calphad.2005.12.006","reproduced_by_calculation":false,"tdb":"ZnZr-06Arr-first.tdb","tdb_path":"databases/sgte-binary/ZnZr-06Arr-first.tdb","tdb_sha256":"d8bfc9b911d493b605f3799d6390fad2ad17ec42086ef574e75c2a986de2b0ff"},"Me1748337":{"catalog_entry":{"license":"CC BY 4.0","name":"ZnZr-06Arr-first.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model (TDB header cites this paper)","model_citation":"R. Arroyave, Z.-K. Liu, Calphad, 30, 1-13(2006).","model_doi":"10.1016/j.calphad.2005.12.006","tdb":"ZnZr-06Arr-first.tdb","tdb_path":"databases/sgte-binary/ZnZr-06Arr-first.tdb","tdb_sha256":"d8bfc9b911d493b605f3799d6390fad2ad17ec42086ef574e75c2a986de2b0ff"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1016/j.calphad.2005.12.006":{"authors":["R. Arroyave","Z.K. Liu"],"citation":"R. Arroyave, Z.K. Liu, Thermodynamic modelling of the Zn–Zr system, Calphad 30, 1-13 (2006).","container":"Calphad","doi":"10.1016/j.calphad.2005.12.006","doi_url":"https://doi.org/10.1016/j.calphad.2005.12.006","id":"doi:10.1016/j.calphad.2005.12.006","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"8bf105ec773a3caf","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic modelling of the Zn–Zr system","year":2006}},"part":1,"parts":1,"records":[{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Chiotti","kind":"unknown","label":"22","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 218 (1960) 41–44.","status":"resolved","year":"1960"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-NPGSQT43MY","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":1},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"ZR":0.043478},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn22Zr","model_phase":"ZN22ZR"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":0.8},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":0.8},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-18.4,"value_printed":-18.4,"value_stored":-18400.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-FMDP44XH4M","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":2},"method":"LDA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.043478},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn22Zr","model_phase":"ZN22ZR"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r02#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.333},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-6.66,"value_printed":-6.66,"value_stored":-6660.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-W5OW4QABV5","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":3},"method":"GGA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.043478},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn22Zr","model_phase":"ZN22ZR"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.2785},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-5.57,"value_printed":-5.57,"value_stored":-5570.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-3ZPHGCCAXW","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":4},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.043478},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn22Zr","model_phase":"ZN22ZR"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.2945},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-5.89,"value_printed":-5.89,"value_stored":-5890.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-2BMJP4PHZJ","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":5},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.043478},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn22Zr","model_phase":"ZN22ZR"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r05#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.292},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-5.84,"value_printed":-5.84,"value_stored":-5840.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-PF2GNVAO35","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":6},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.043478},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn22Zr","model_phase":"ZN22ZR"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r06#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.3015},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-6.03,"value_printed":-6.03,"value_stored":-6030.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Chiotti","kind":"unknown","label":"22","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 218 (1960) 41–44.","status":"resolved","year":"1960"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-ZAFWTX5LVT","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":7},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"ZR":0.025},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn39Zr"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r07#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":0.8},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":0.8},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-31.7,"value_printed":-31.7,"value_stored":-31700.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-54DWQ2F6OF","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":8},"method":"LDA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.025},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn39Zr"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r08#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.903},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-18.06,"value_printed":-18.06,"value_stored":-18060.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-GAY3KHPVKU","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":9},"method":"GGA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.025},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn39Zr"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r09#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.804},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-16.08,"value_printed":-16.08,"value_stored":-16080.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-XLSHF6ENWL","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":10},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.025},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn39Zr"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r10#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.799},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-15.98,"value_printed":-15.98,"value_stored":-15980.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-O73MLSDK62","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":11},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.025},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn39Zr"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r11#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.815},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-16.3,"value_printed":-16.3,"value_stored":-16300.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-Z4GS53W6RS","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":12},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.025},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn39Zr"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r12#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.8125},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-16.25,"value_printed":-16.25,"value_stored":-16250.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Chiotti","kind":"unknown","label":"22","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 218 (1960) 41–44.","status":"resolved","year":"1960"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-YCVTYEAVTE","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":13},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, l"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r13#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":0.8},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":0.8},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-46.5,"value_printed":-46.5,"value_stored":-46500.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-ZJMMAP6DMJ","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":14},"method":"LDA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, l"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r14#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.3225},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-26.45,"value_printed":-26.45,"value_stored":-26450.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-XK5NTDG53E","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":15},"method":"GGA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, l"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r15#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.284},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-25.68,"value_printed":-25.68,"value_stored":-25680.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-HDKO5UT2W3","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":17},"merged_ids":["ORC-OBDKDGFM7D"],"merged_pids":["doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r16#equilibrium_property"],"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, l"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r17#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.3035},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-26.07,"value_printed":-26.07,"value_stored":-26070.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-SG4ZEM57OL","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":18},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, l"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r18#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.309},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-26.18,"value_printed":-26.18,"value_stored":-26180.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-EAHQMDHVXZ","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":19},"method":"LDA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, h"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r19#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.1825},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-23.65,"value_printed":-23.65,"value_stored":-23650.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-YY23XDNLBM","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":20},"method":"GGA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, h"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r20#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.0915},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-21.83,"value_printed":-21.83,"value_stored":-21830.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-77XIWTJFAI","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":21},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, h"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r21#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.1205},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-22.41,"value_printed":-22.41,"value_stored":-22410.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-53O4WAQ574","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":22},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, h"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r22#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.1375},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-22.75,"value_printed":-22.75,"value_stored":-22750.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-INZ5UXH4ZX","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":23},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn3Zr, h"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r23#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.1285},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-22.57,"value_printed":-22.57,"value_stored":-22570.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Chiotti","kind":"unknown","label":"22","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 218 (1960) 41–44.","status":"resolved","year":"1960"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-HG3OULQVFJ","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":24},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"ZR":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2Zr","model_phase":"ZN2ZR_C15"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r24#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.0},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-49.3,"value_printed":-49.3,"value_stored":-49300.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-IZ5X3LVCKP","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":25},"method":"LDA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2Zr","model_phase":"ZN2ZR_C15"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r25#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.588},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-31.76,"value_printed":-31.76,"value_stored":-31760.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-AFSYGHLRS3","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":26},"method":"GGA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2Zr","model_phase":"ZN2ZR_C15"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r26#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.3955},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-27.91,"value_printed":-27.91,"value_stored":-27910.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-XWOAYGQECH","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":27},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2Zr","model_phase":"ZN2ZR_C15"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r27#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.5635},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-31.27,"value_printed":-31.27,"value_stored":-31270.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-5JIR5K2CDY","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":28},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2Zr","model_phase":"ZN2ZR_C15"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r28#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.5035},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-30.07,"value_printed":-30.07,"value_stored":-30070.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-SG7MXG6FPZ","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":29},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.333333},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2Zr","model_phase":"ZN2ZR_C15"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r29#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.5655},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-31.31,"value_printed":-31.31,"value_stored":-31310.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Chiotti","kind":"unknown","label":"22","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 218 (1960) 41–44.","status":"resolved","year":"1960"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-BQGVXCZIOR","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":30},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"ZR":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr","model_phase":"ZNZR_B2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r30#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":1.3},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.3},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-58.4,"value_printed":-58.4,"value_stored":-58400.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-AIA6QBUC23","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":31},"method":"LDA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr","model_phase":"ZNZR_B2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r31#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.484},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-29.68,"value_printed":-29.68,"value_stored":-29680.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-XGNHGIBKUK","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":32},"method":"GGA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr","model_phase":"ZNZR_B2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r32#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.38},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-27.6,"value_printed":-27.6,"value_stored":-27600.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-HFLPLAV234","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":33},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr","model_phase":"ZNZR_B2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r33#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.431},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-28.62,"value_printed":-28.62,"value_stored":-28620.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-BVFPBDDMPW","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":34},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr","model_phase":"ZNZR_B2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r34#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.4535},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-29.07,"value_printed":-29.07,"value_stored":-29070.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-QX6PTNP3VU","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":35},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.5},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr","model_phase":"ZNZR_B2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r35#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.4235},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-28.47,"value_printed":-28.47,"value_stored":-28470.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-ST3LY3UKJI","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":36},"method":"LDA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.6},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2Zr3","model_phase":"ZN2ZR3"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r36#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.048},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-20.96,"value_printed":-20.96,"value_stored":-20960.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-UPZJRFPNIT","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":37},"method":"GGA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.6},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2Zr3","model_phase":"ZN2ZR3"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r37#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.887},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-17.74,"value_printed":-17.74,"value_stored":-17740.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-EUJQYKJ7PX","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":38},"merged_ids":["ORC-MZ45VY6EIF","ORC-NFFKQCAKFQ"],"merged_pids":["doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r39#equilibrium_property","doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r40#equilibrium_property"],"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.6},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2Zr3","model_phase":"ZN2ZR3"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r38#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.9675},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-19.35,"value_printed":-19.35,"value_stored":-19350.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-DO2CUK7FM6","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":41},"method":"LDA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr2","model_phase":"ZNZR2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r41#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.8485},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-16.97,"value_printed":-16.97,"value_stored":-16970.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Arroyave","kind":"unknown","label":"7","reference":"R. Arroyave, A. van de Walle, Z.K. Liu, Acta Mater. 54 (2005) 473–482.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:computation_context"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-VNSZP7VZR5","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":42},"method":"GGA","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"ZR":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr2","model_phase":"ZNZR2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r42#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:0 K"},"ZR":{"phase":"printed:0 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.853},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":8.395,"sigma_method":{"basis":"calibrated","ci95":[6.672,9.877],"class":"dft","entry":"dft/literature/strata/metal","floor":8.395,"floor_unit":"kJ/mol-atom","n_pairs":230,"stratum":"literature/metal","value":8.395},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-17.06,"value_printed":-17.06,"value_stored":-17060.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-PTITWFGMMG","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":43},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr2","model_phase":"ZNZR2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r43#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.8445},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-16.89,"value_printed":-16.89,"value_stored":-16890.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-EURWMYHCXK","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":44},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr2","model_phase":"ZNZR2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r44#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.853},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-17.06,"value_printed":-17.06,"value_stored":-17060.0},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":4,"id":"ORC-ZJ66IIA6S6","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5","row":45},"model":"Me1748337","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"overall_composition":{"ZR":0.666667},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"ZnZr2","model_phase":"ZNZR2"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p8/tab-5/r45#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","reader_agreement":"single_reader_text_layer","reader_agreement_label":"single reader + PDF text layer","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","reference_state":{"ZN":{"phase":"printed:pure hcp Zn and Zr at 298 K"},"ZR":{"phase":"printed:pure hcp Zn and Zr at 298 K"}},"source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","temperature_printed":"298 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.8425},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-16.85,"value_printed":-16.85,"value_stored":-16850.0},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-NF4VBMUZXG","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":1},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r01#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> Zn2Zr","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1453.15,"temperature_printed":"1180±10","temperature_uncertainty":{"basis":"printed","value":10.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":10.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1453.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-LN52QYGWE5","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":2},"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r02#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> Zn2Zr","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1457.15,"temperature_printed":"1184","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1457.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-KLVFXXNNZ7","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":3},"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r03#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> Zn2Zr","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1455.15,"temperature_printed":"1182","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1455.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-N72XUKIHP4","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":4},"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r04#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> Zn2Zr","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1461.15,"temperature_printed":"1188","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1461.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-RXXB2BUERT","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":5},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.615},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.73},"composition_source":"printed","phase":"bcc"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r05#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> ZnZr + bcc","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1288.15,"temperature_printed":"1015±10","temperature_uncertainty":{"basis":"printed","value":10.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":10.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1288.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-NKEPZVOROQ","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":6},"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.627},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.715},"composition_source":"printed","phase":"bcc"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r06#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> ZnZr + bcc","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1295.15,"temperature_printed":"1022","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1295.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-7DEUSXAO2K","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":7},"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.625},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.719},"composition_source":"printed","phase":"bcc"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r07#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> ZnZr + bcc","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1290.15,"temperature_printed":"1017","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1290.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-OTY62CNC5B","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":8},"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.624},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.731},"composition_source":"printed","phase":"bcc"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r08#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> ZnZr + bcc","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1305.15,"temperature_printed":"1032","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1305.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-V6LN5UVZEK","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":9},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.518},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r09#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn2Zr -> ZnZr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1383.15,"temperature_printed":"1110±10","temperature_uncertainty":{"basis":"printed","value":10.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":10.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1383.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-VEH3Y4N44V","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":10},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.485},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r10#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn2Zr -> ZnZr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1369.15,"temperature_printed":"1096","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1369.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-5FNJ7AQ3QU","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":11},"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.501},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r11#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn2Zr -> ZnZr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1379.15,"temperature_printed":"1106","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1379.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-6J7DUXPKI4","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":12},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.497},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r12#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn2Zr -> ZnZr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1368.15,"temperature_printed":"1095","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1368.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-BVLLDGKZOM","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":13},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.2},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr h"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"Zn3Zr h","model_phase":"ZN3ZR_HT","pearson_symbol":"c**","prototype":"(Zn3Zr-ht)","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r13#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn2Zr -> Zn3Zr h"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1373.15,"temperature_printed":"1100±10","temperature_uncertainty":{"basis":"printed","value":10.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":10.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1373.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-HVUHA222BT","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-HVUHA222BT on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-UGGI7SQNDG","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":14},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.192},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr h"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"Zn3Zr h","model_phase":"ZN3ZR_HT","pearson_symbol":"c**","prototype":"(Zn3Zr-ht)","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r14#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn2Zr -> Zn3Zr h"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1374.15,"temperature_printed":"1101","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1374.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-HVUHA222BT","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":15},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.186},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr h"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"Zn3Zr h","model_phase":"ZN3ZR_HT","pearson_symbol":"c**","prototype":"(Zn3Zr-ht)","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r15#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn2Zr -> Zn3Zr h"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1374.15,"temperature_printed":"1101","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1374.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-SXGWGT2B5M","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":16},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.186},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.333},"composition_source":"printed","phase":"Zn2Zr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr h"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn2Zr","model_phase":"ZN2ZR_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"Zn3Zr h","model_phase":"ZN3ZR_HT","pearson_symbol":"c**","prototype":"(Zn3Zr-ht)","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r16#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn2Zr -> Zn3Zr h"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1373.15,"temperature_printed":"1100","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1373.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-364JAIFHNA","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr h"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr l"}],"phases":[{"label":"Zn3Zr h","model_phase":"ZN3ZR_HT","pearson_symbol":"c**","prototype":"(Zn3Zr-ht)","structure_basis":"mapped_model_phase"},{"label":"Zn3Zr l","model_phase":"ZN3ZR_D023","pearson_symbol":"tI16","prototype":"Al3Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r17#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Zn3Zr h -> Zn3Zr l","type":"polymorphic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1183.15,"temperature_printed":"910±5","temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1183.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-GZTPDKYEIK","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":18},"merged_ids":["ORC-MZKOMWLHAI"],"merged_pids":["doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r19#invariant_reaction"],"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr h"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr l"}],"phases":[{"label":"Zn3Zr h","model_phase":"ZN3ZR_HT","pearson_symbol":"c**","prototype":"(Zn3Zr-ht)","structure_basis":"mapped_model_phase"},{"label":"Zn3Zr l","model_phase":"ZN3ZR_D023","pearson_symbol":"tI16","prototype":"Al3Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r18#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Zn3Zr h -> Zn3Zr l","type":"polymorphic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1183.15,"temperature_printed":"910","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1183.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-RTKQUTUV2C","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":20},"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr h"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr l"}],"phases":[{"label":"Zn3Zr h","model_phase":"ZN3ZR_HT","pearson_symbol":"c**","prototype":"(Zn3Zr-ht)","structure_basis":"mapped_model_phase"},{"label":"Zn3Zr l","model_phase":"ZN3ZR_D023","pearson_symbol":"tI16","prototype":"Al3Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r20#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Zn3Zr h -> Zn3Zr l","type":"polymorphic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1181.15,"temperature_printed":"908","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1181.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-FGRV5ALVWS","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":21},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.044},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr l"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.114},"composition_source":"printed","phase":"Zn39Zr5"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn3Zr l","model_phase":"ZN3ZR_D023","pearson_symbol":"tI16","prototype":"Al3Zr","structure_basis":"mapped_model_phase"},{"label":"Zn39Zr5","model_phase":"ZN39ZR5","pearson_symbol":"mC88","prototype":"Zn39Zr5","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r21#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn3Zr l -> Zn39Zr5"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1023.15,"temperature_printed":"750±10","temperature_uncertainty":{"basis":"printed","value":10.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":10.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1023.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-7QRPGKJ7BU","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":23},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.049},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr l"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.114},"composition_source":"printed","phase":"Zn39Zr5"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn3Zr l","model_phase":"ZN3ZR_D023","pearson_symbol":"tI16","prototype":"Al3Zr","structure_basis":"mapped_model_phase"},{"label":"Zn39Zr5","model_phase":"ZN39ZR5","pearson_symbol":"mC88","prototype":"Zn39Zr5","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r23#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn3Zr l -> Zn39Zr5"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1018.15,"temperature_printed":"745","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1018.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-EW7ASKOITH","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":24},"merged_ids":["ORC-KM6EHC2P42"],"merged_pids":["doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r22#invariant_reaction"],"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.041},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.25},"composition_source":"printed","phase":"Zn3Zr l"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.114},"composition_source":"printed","phase":"Zn39Zr5"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn3Zr l","model_phase":"ZN3ZR_D023","pearson_symbol":"tI16","prototype":"Al3Zr","structure_basis":"mapped_model_phase"},{"label":"Zn39Zr5","model_phase":"ZN39ZR5","pearson_symbol":"mC88","prototype":"Zn39Zr5","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r24#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn3Zr l -> Zn39Zr5"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1021.15,"temperature_printed":"748","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1021.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-SIMVSBBSCI","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":25},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.84},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"}],"phases":[{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r25#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bcc + ZnZr -> ZnZr2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1023.15,"temperature_printed":"750±50","temperature_uncertainty":{"basis":"printed","value":50.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":50.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":50.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1023.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-PGUHL6B4MO","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":26},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.855},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"}],"phases":[{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r26#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bcc + ZnZr -> ZnZr2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1027.15,"temperature_printed":"754","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1027.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-YVIO55WEWE","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":27},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.852},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"}],"phases":[{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r27#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bcc + ZnZr -> ZnZr2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1023.15,"temperature_printed":"750","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1023.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-WDPZ73IUKD","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":28},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.86},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"}],"phases":[{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r28#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bcc + ZnZr -> ZnZr2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1025.15,"temperature_printed":"752","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1025.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-B4ZNVGXWHL","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":29},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.87},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"}],"phases":[{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r29#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bcc -> hcp + ZnZr2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":991.15,"temperature_printed":"718±6","temperature_uncertainty":{"basis":"printed","value":6.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":6.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":991.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-45XEIAIEYG","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-45XEIAIEYG on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-XB5PSQ3FTI","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":30},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.873},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.968},"composition_source":"printed","phase":"hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"}],"phases":[{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r30#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bcc -> hcp + ZnZr2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":991.15,"temperature_printed":"718","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":991.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-45XEIAIEYG","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":31},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.872},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.976},"composition_source":"printed","phase":"hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"}],"phases":[{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r31#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bcc -> hcp + ZnZr2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":991.15,"temperature_printed":"718","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":991.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-RXR5XVOX7Z","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":32},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.876},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.968},"composition_source":"printed","phase":"hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"}],"phases":[{"label":"bcc","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r32#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bcc -> hcp + ZnZr2"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":994.15,"temperature_printed":"721","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":994.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-KME5Y5CAHY","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":33},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"}],"phases":[{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r33#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"ZnZr2 -> hcp + ZnZr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":978.15,"temperature_printed":"705±6","temperature_uncertainty":{"basis":"printed","value":6.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":6.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":978.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-2GYXF7QBNI","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":34},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.97},"composition_source":"printed","phase":"hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"}],"phases":[{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r34#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"ZnZr2 -> hcp + ZnZr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":978.15,"temperature_printed":"705","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":978.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-G4PQOKAAOZ","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-G4PQOKAAOZ on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-YYXZFHQAY5","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":35},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.978},"composition_source":"printed","phase":"hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"}],"phases":[{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r35#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"ZnZr2 -> hcp + ZnZr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":977.15,"temperature_printed":"704","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":977.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-G4PQOKAAOZ","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":36},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.667},"composition_source":"printed","phase":"ZnZr2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.97},"composition_source":"printed","phase":"hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.5},"composition_source":"printed","phase":"ZnZr"}],"phases":[{"label":"ZnZr2","model_phase":"ZNZR2","pearson_symbol":"tI6","prototype":"CuZr2","structure_basis":"mapped_model_phase"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"ZnZr","model_phase":"ZNZR_B2","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r36#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"ZnZr2 -> hcp + ZnZr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":977.15,"temperature_printed":"704","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":977.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-Z4NWMN2LEN","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":37},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.011},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.114},"composition_source":"printed","phase":"Zn39Zr5"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0435},"composition_source":"printed","phase":"Zn22Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn39Zr5","model_phase":"ZN39ZR5","pearson_symbol":"mC88","prototype":"Zn39Zr5","structure_basis":"mapped_model_phase"},{"label":"Zn22Zr","model_phase":"ZN22ZR","pearson_symbol":"cF184","prototype":"Zn22Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r37#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn39Zr5 -> Zn22Zr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":818.15,"temperature_printed":"545±2","temperature_uncertainty":{"basis":"printed","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":818.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-C4QCMZGSGJ","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":38},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.001},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.114},"composition_source":"printed","phase":"Zn39Zr5"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0435},"composition_source":"printed","phase":"Zn22Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn39Zr5","model_phase":"ZN39ZR5","pearson_symbol":"mC88","prototype":"Zn39Zr5","structure_basis":"mapped_model_phase"},{"label":"Zn22Zr","model_phase":"ZN22ZR","pearson_symbol":"cF184","prototype":"Zn22Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r38#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn39Zr5 -> Zn22Zr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":817.15,"temperature_printed":"544","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":817.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-VY7FBPZP6Y","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":39},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.001},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.114},"composition_source":"printed","phase":"Zn39Zr5"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0435},"composition_source":"printed","phase":"Zn22Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn39Zr5","model_phase":"ZN39ZR5","pearson_symbol":"mC88","prototype":"Zn39Zr5","structure_basis":"mapped_model_phase"},{"label":"Zn22Zr","model_phase":"ZN22ZR","pearson_symbol":"cF184","prototype":"Zn22Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r39#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn39Zr5 -> Zn22Zr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":813.15,"temperature_printed":"540","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":813.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-CC4T2YGXAC","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":40},"model":"M35139d4d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.002},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.114},"composition_source":"printed","phase":"Zn39Zr5"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0435},"composition_source":"printed","phase":"Zn22Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Zn39Zr5","model_phase":"ZN39ZR5","pearson_symbol":"mC88","prototype":"Zn39Zr5","structure_basis":"mapped_model_phase"},{"label":"Zn22Zr","model_phase":"ZN22ZR","pearson_symbol":"cF184","prototype":"Zn22Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r40#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + Zn39Zr5 -> Zn22Zr"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":816.15,"temperature_printed":"543","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":816.15},{"chemical_system":"ZN-ZR","cited_sources":[{"first_author":"Lustman","kind":"unknown","label":"10","reference":"B. Lustman, K. Kerze, The Metallurgy of Zirconium, McGraw-Hill Book Co., New York, 1955.","status":"resolved","year":"1955"},{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-ZIJMPXV7UJ","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":41},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0001},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0001},"composition_source":"printed","phase":"hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0435},"composition_source":"printed","phase":"Zn22Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"Zn22Zr","model_phase":"ZN22ZR","pearson_symbol":"cF184","prototype":"Zn22Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r41#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> hcp + Zn22Zr","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":692.15,"temperature_printed":"419±1","temperature_uncertainty":{"basis":"printed","value":1.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":692.15},{"chemical_system":"ZN-ZR","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-DTYDBTAZIR","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4","row":44},"merged_ids":["ORC-QJIEUQV4KM","ORC-ZJ5RUGSO6J"],"merged_pids":["doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r42#invariant_reaction","doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r43#invariant_reaction"],"model":"M92a59586","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2005.12.006","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0},"composition_source":"printed","phase":"hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ZR":0.0435},"composition_source":"printed","phase":"Zn22Zr"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"Zn22Zr","model_phase":"ZN22ZR","pearson_symbol":"cF184","prototype":"Zn22Zr","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p7/tab-4/r44#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> hcp + Zn22Zr","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":693.15,"temperature_printed":"420","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":693.15},{"chemical_system":"ZN-ZR","citations_printed":["9"],"cited_sources":[{"first_author":"Chiotti","kind":"unknown","label":"9","reference":"P. Chiotti, G.R. Kilp, Trans. AIME 215 (1959) 892–898.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":4,"id":"ORC-B2TXSV2HH7","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2005.12.006/p6/text-78"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2005.12.006","paper_id":"doi:10.1016/j.calphad.2005.12.006","phases":[{"label":"Zn2 Zr"},{"label":"liquid"}],"pid":"doi:10.1016/j.calphad.2005.12.006/p6/text-78/s03#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The figure indicates that, at this pressure, all the invariant reactions involving the intermetallic compounds, including the congruent melting of Zn2 Zr at 1180 ◦ C, are more stable than any invariant reaction involving the gas phase, corroborating the experimental observations [9].","quote_page":6,"reaction":{"printed":"Zn2 Zr -> L","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"ZN-ZR","system":"ZN-ZR","temperature_K":1453.15,"temperature_printed":"1180","tool_release":"release v2 + tools dev copy record build","transition_kind":"congruent melting","transition_kind_printed":"congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1453.15}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"ZN-ZR"}