{"system":"H-V","release":"v2026.10","phases":[{"id":"phase:h-v:bcc-a2","system":"H-V","elements":["H","V"],"preferred_name":"BCC_A2","status":"assigned","structure":{"structure_type":"st:a2-w-ci2","basis":"standard_name","tier":"A","confidence":"high","label":"from the standard phase name","prototype":"W","strukturbericht":"A2","pearson":"cI2","space_group":{"number":229,"symbol":"Im-3m"}},"candidates":[],"review_reasons":[],"names":[{"name":"tdb:VH-08Uki.tdb:BCC_A2","namespace":"tdb","label":"BCC_A2","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:bcc-a2","namespace":"corpus","label":"phase:h-v:bcc-a2","in_sgte_corpus":false}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"BCC_A2","type_code":"%B","sublattices":[{"site_ratio":1.0,"constituents":["V"]},{"site_ratio":6.0,"constituents":["H","VA"]}],"stoichiometric":false,"composition":null,"tdb_definition":{"verbatim":{"phase":{"line_start":40,"line_end":40,"text":"PHASE BCC_A2 %B 2 1 6 !"},"constituent":{"line_start":41,"line_end":41,"text":"CONST BCC_A2 : V : H VA% : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null},{"line_start":81,"line_end":81,"text":"TYPE-DEF B GES AMEND_PHASE_DESCRIPTION @ MAGNETIC -1 0.4 !","type_code":"B","amends":"@"}]},"parsed":{"phase_name":"BCC_A2","type_code":"%B","type_codes":["%","B"],"n_sublattices":2,"site_ratios":[1,6],"constituents":[["V"],["H","VA%"]],"major_constituents":[[],["VA"]],"magnetic":{"type_code":"B","afm_factor":-1,"structure_fraction":0.4,"line":81},"disordered_part":null,"ordered_partner":null},"parameters":{"total":5,"by_kind":{"G":2,"L":3},"L_by_order":{"0":1,"1":1,"2":1},"interaction_orders":[0,1,2],"endmember_G":2},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}}}],"stoichiometry":null,"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":true,"T_min_K":300.0,"T_max_K":2188.28,"x_min":0.0,"x_max":0.42255,"stable_at_top_of_range":false}],"literature":{"values":0,"accepted_values":0,"papers":0},"corpus":{"in_sgte_corpus":false,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase"],"labels":["BCC_A2"],"values":0,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1},{"id":"phase:h-v:fcc-a1","system":"H-V","elements":["H","V"],"preferred_name":"FCC_A1","status":"assigned","structure":{"structure_type":"st:a1-cu-cf4","basis":"standard_name","tier":"A","confidence":"high","label":"from the standard phase name","prototype":"Cu","strukturbericht":"A1","pearson":"cF4","space_group":{"number":225,"symbol":"Fm-3m"}},"candidates":[],"review_reasons":[],"names":[{"name":"tdb:VH-08Uki.tdb:FCC_A1","namespace":"tdb","label":"FCC_A1","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:fcc-a1","namespace":"corpus","label":"phase:h-v:fcc-a1","in_sgte_corpus":false}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"FCC_A1","type_code":"%A","sublattices":[{"site_ratio":1.0,"constituents":["V"]},{"site_ratio":1.0,"constituents":["H","VA"]}],"stoichiometric":false,"composition":null,"tdb_definition":{"verbatim":{"phase":{"line_start":35,"line_end":35,"text":"PHASE FCC_A1 %A 2 1 1 !"},"constituent":{"line_start":36,"line_end":36,"text":"CONST FCC_A1 : V : H VA% : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null},{"line_start":80,"line_end":80,"text":"TYPE-DEF A GES AMEND_PHASE_DESCRIPTION @ MAGNETIC -3 0.28 !","type_code":"A","amends":"@"}]},"parsed":{"phase_name":"FCC_A1","type_code":"%A","type_codes":["%","A"],"n_sublattices":2,"site_ratios":[1,1],"constituents":[["V"],["H","VA%"]],"major_constituents":[[],["VA"]],"magnetic":{"type_code":"A","afm_factor":-3,"structure_fraction":0.28,"line":80},"disordered_part":null,"ordered_partner":null},"parameters":{"total":1,"by_kind":{"G":1},"L_by_order":{},"interaction_orders":[],"endmember_G":1},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}}}],"stoichiometry":null,"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":false}],"literature":{"values":0,"accepted_values":0,"papers":0},"corpus":{"in_sgte_corpus":false,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase"],"labels":["FCC_A1"],"values":0,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1},{"id":"phase:h-v:gas","system":"H-V","elements":["H","V"],"preferred_name":"GAS","status":"assigned","structure":{"structure_type":"st:gas","basis":"gas","confidence":"high","label":"gas","prototype":null,"strukturbericht":null,"pearson":null,"space_group":null},"candidates":[],"review_reasons":[],"names":[{"name":"tdb:VH-08Uki.tdb:GAS","namespace":"tdb","label":"GAS","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:gas","namespace":"corpus","label":"phase:h-v:gas","in_sgte_corpus":false}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"GAS","type_code":"%","sublattices":[{"site_ratio":1.0,"constituents":["H","H2","V"]}],"stoichiometric":false,"composition":null,"tdb_definition":{"verbatim":{"phase":{"line_start":69,"line_end":69,"text":"PHASE GAS:G % 1 1 !"},"constituent":{"line_start":70,"line_end":70,"text":"CONST GAS:G : H H2 V : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null}]},"parsed":{"phase_name":"GAS","type_code":"%","type_codes":["%"],"n_sublattices":1,"site_ratios":[1],"constituents":[["H","H2","V"]],"major_constituents":[[]],"magnetic":null,"disordered_part":null,"ordered_partner":null},"parameters":{"total":3,"by_kind":{"G":3},"L_by_order":{},"interaction_orders":[],"endmember_G":3},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}}}],"stoichiometry":null,"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":true,"T_min_K":300.25,"T_max_K":4000.0,"x_min":0.0,"x_max":1.0,"stable_at_top_of_range":true}],"literature":{"values":0,"accepted_values":0,"papers":0},"corpus":{"in_sgte_corpus":false,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase"],"labels":["GAS"],"values":0,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1},{"id":"phase:h-v:h2gas","system":"H-V","elements":["H","V"],"preferred_name":"H2GAS","status":"assigned","structure":{"structure_type":"st:gas","basis":"gas","confidence":"high","label":"gas","prototype":null,"strukturbericht":null,"pearson":null,"space_group":null},"candidates":[],"review_reasons":[],"names":[{"name":"tdb:VH-08Uki.tdb:H2GAS","namespace":"tdb","label":"H2GAS","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:h2gas","namespace":"corpus","label":"phase:h-v:h2gas","in_sgte_corpus":false}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"H2GAS","type_code":"%","sublattices":[{"site_ratio":1.0,"constituents":["H2"]}],"stoichiometric":false,"composition":null,"tdb_definition":{"verbatim":{"phase":{"line_start":72,"line_end":72,"text":"PHASE H2GAS % 1 1 !"},"constituent":{"line_start":73,"line_end":73,"text":"CONST H2GAS : H2 : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null}]},"parsed":{"phase_name":"H2GAS","type_code":"%","type_codes":["%"],"n_sublattices":1,"site_ratios":[1],"constituents":[["H2"]],"major_constituents":[[]],"magnetic":null,"disordered_part":null,"ordered_partner":null},"parameters":{"total":1,"by_kind":{"G":1},"L_by_order":{},"interaction_orders":[],"endmember_G":1},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}}}],"stoichiometry":null,"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":true,"T_min_K":300.0,"T_max_K":1092.75,"x_min":1.0,"x_max":1.0,"stable_at_top_of_range":false}],"literature":{"values":0,"accepted_values":0,"papers":0},"corpus":{"in_sgte_corpus":false,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase"],"labels":["H2GAS"],"values":0,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1},{"id":"phase:h-v:hcp-a3","system":"H-V","elements":["H","V"],"preferred_name":"HCP_A3","status":"assigned","structure":{"structure_type":"st:a3-mg-hp2","basis":"standard_name","tier":"A","confidence":"high","label":"from the standard phase name","prototype":"Mg","strukturbericht":"A3","pearson":"hP2","space_group":{"number":194,"symbol":"P6_3/mmc"}},"candidates":[],"review_reasons":[],"names":[{"name":"tdb:VH-08Uki.tdb:HCP_A3","namespace":"tdb","label":"HCP_A3","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:hcp-a3","namespace":"corpus","label":"phase:h-v:hcp-a3","in_sgte_corpus":false}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"HCP_A3","type_code":"%A","sublattices":[{"site_ratio":1.0,"constituents":["V"]},{"site_ratio":0.5,"constituents":["H","VA"]}],"stoichiometric":false,"composition":null,"tdb_definition":{"verbatim":{"phase":{"line_start":45,"line_end":45,"text":"PHASE HCP_A3 %A 2 1 0.5 !"},"constituent":{"line_start":46,"line_end":46,"text":"CONST HCP_A3 : V : H VA% : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null},{"line_start":80,"line_end":80,"text":"TYPE-DEF A GES AMEND_PHASE_DESCRIPTION @ MAGNETIC -3 0.28 !","type_code":"A","amends":"@"}]},"parsed":{"phase_name":"HCP_A3","type_code":"%A","type_codes":["%","A"],"n_sublattices":2,"site_ratios":[1,0.5],"constituents":[["V"],["H","VA%"]],"major_constituents":[[],["VA"]],"magnetic":{"type_code":"A","afm_factor":-3,"structure_fraction":0.28,"line":80},"disordered_part":null,"ordered_partner":null},"parameters":{"total":1,"by_kind":{"G":1},"L_by_order":{},"interaction_orders":[],"endmember_G":1},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}}}],"stoichiometry":null,"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":false}],"literature":{"values":0,"accepted_values":0,"papers":0},"corpus":{"in_sgte_corpus":false,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase"],"labels":["HCP_A3"],"values":0,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1},{"id":"phase:h-v:liquid","system":"H-V","elements":["H","V"],"preferred_name":"LIQUID","status":"assigned","structure":{"structure_type":"st:liquid","basis":"liquid","confidence":"high","label":"liquid","prototype":null,"strukturbericht":null,"pearson":null,"space_group":null},"candidates":[],"review_reasons":[],"names":[{"name":"tdb:VH-08Uki.tdb:LIQUID","namespace":"tdb","label":"LIQUID","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:liquid","namespace":"corpus","label":"phase:h-v:liquid","in_sgte_corpus":false}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"LIQUID","type_code":"%","sublattices":[{"site_ratio":1.0,"constituents":["H","V"]}],"stoichiometric":false,"composition":null,"tdb_definition":{"verbatim":{"phase":{"line_start":30,"line_end":30,"text":"PHASE LIQUID:L % 1 1 !"},"constituent":{"line_start":31,"line_end":31,"text":"CONST LIQUID:L : H V : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null}]},"parsed":{"phase_name":"LIQUID","type_code":"%","type_codes":["%"],"n_sublattices":1,"site_ratios":[1],"constituents":[["H","V"]],"major_constituents":[[]],"magnetic":null,"disordered_part":null,"ordered_partner":null},"parameters":{"total":3,"by_kind":{"G":2,"L":1},"L_by_order":{"0":1},"interaction_orders":[0],"endmember_G":2},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}}}],"stoichiometry":null,"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":true,"T_min_K":2183.0,"T_max_K":3757.23,"x_min":0.0,"x_max":0.00508,"stable_at_top_of_range":false}],"literature":{"values":0,"accepted_values":0,"papers":0},"corpus":{"in_sgte_corpus":false,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase"],"labels":["LIQUID"],"values":0,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1},{"id":"phase:h-v:v3h2","system":"H-V","elements":["H","V"],"preferred_name":"V3H2","status":"needs_review","structure":null,"candidates":[{"source":"sgte_mmc2","structure_type":"st:v3h2","prototype":"(V3H2)","strukturbericht":null,"pearson":null,"space_group":null,"detail":"Hallstedt 2025 mmc2 row for V3H2: V3H2"}],"review_reasons":["no_on_hull_entry_in_both","no_structure_token","sgte_mmc2_row_incomplete"],"names":[{"name":"tdb:VH-08Uki.tdb:V3H2","namespace":"tdb","label":"V3H2","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:v3h2","namespace":"corpus","label":"phase:h-v:v3h2","in_sgte_corpus":false}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"V3H2","type_code":"%","sublattices":[{"site_ratio":3.0,"constituents":["V"]},{"site_ratio":2.0,"constituents":["H"]}],"stoichiometric":true,"composition":{"H":0.4,"V":0.6},"tdb_definition":{"verbatim":{"phase":{"line_start":61,"line_end":61,"text":"PHASE V3H2 % 2 3 2 !"},"constituent":{"line_start":62,"line_end":62,"text":"CONST V3H2 : V : H : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null}]},"parsed":{"phase_name":"V3H2","type_code":"%","type_codes":["%"],"n_sublattices":2,"site_ratios":[3,2],"constituents":[["V"],["H"]],"major_constituents":[[],[]],"magnetic":null,"disordered_part":null,"ordered_partner":null},"parameters":{"total":1,"by_kind":{"G":1},"L_by_order":{},"interaction_orders":[],"endmember_G":1},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}}}],"stoichiometry":{"H":0.4,"V":0.6},"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":false}],"literature":{"values":0,"accepted_values":0,"papers":0},"corpus":{"in_sgte_corpus":false,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase"],"labels":["V3H2"],"values":0,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1},{"id":"phase:h-v:vh-2-beta","system":"H-V","elements":["H","V"],"preferred_name":"VH_BETA_2","status":"needs_review","structure":null,"candidates":[{"source":"sgte_mmc2","structure_type":"st:v2h-ti56","prototype":"V2H","strukturbericht":null,"pearson":"tI56","space_group":{"number":141,"symbol":"I4_1/amd"},"detail":"Hallstedt 2025 mmc2 row for VH_BETA_2: VH-beta-2 (disordered)"},{"source":"tdb_comment","structure_type":null,"prototype":"V2H","strukturbericht":null,"pearson":"tI56","space_group":{"number":null,"symbol":"I4_1/amd"},"detail":"VH-08Uki.tdb: 'Prototype V2H (tI56, I4_1/amd), beta-2'"}],"review_reasons":["name_has_descriptive_tokens:2","no_structure_token"],"names":[{"name":"tdb:VH-08Uki.tdb:VH_BETA_2","namespace":"tdb","label":"VH_BETA_2","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:vh-2-beta","namespace":"corpus","label":"phase:h-v:vh-2-beta","in_sgte_corpus":false}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"VH_BETA_2","type_code":"%","sublattices":[{"site_ratio":1.0,"constituents":["H","VA"]},{"site_ratio":1.0,"constituents":["V"]}],"stoichiometric":false,"composition":null,"disordered_part_of":"VH_BETA_ORD","tdb_definition":{"verbatim":{"phase":{"line_start":51,"line_end":51,"text":"PHASE VH_BETA_2 % 2 1 1 !"},"constituent":{"line_start":52,"line_end":52,"text":"CONST VH_BETA_2 : H% VA : V : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null}]},"parsed":{"phase_name":"VH_BETA_2","type_code":"%","type_codes":["%"],"n_sublattices":2,"site_ratios":[1,1],"constituents":[["H%","VA"],["V"]],"major_constituents":[["H"],[]],"magnetic":null,"disordered_part":null,"ordered_partner":"VH_BETA_ORD"},"parameters":{"total":5,"by_kind":{"G":2,"L":3},"L_by_order":{"0":1,"1":1,"2":1},"interaction_orders":[0,1,2],"endmember_G":2},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}},"tdb_comment_structure":["Prototype V2H (tI56, I4_1/amd), beta-2"]}],"stoichiometry":null,"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":false}],"literature":{"values":0,"accepted_values":0,"papers":0},"corpus":{"in_sgte_corpus":false,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase"],"labels":["VH_BETA_2"],"values":0,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1},{"id":"phase:h-v:vh-beta-ord","system":"H-V","elements":["H","V"],"preferred_name":"VH_BETA_ORD","status":"needs_review","structure":null,"candidates":[{"source":"sgte_mmc2","structure_type":"st:v2h-mc6","prototype":"V2H","strukturbericht":null,"pearson":"mC6","space_group":{"number":12,"symbol":"C2/m"},"detail":"Hallstedt 2025 mmc2 row for VH_BETA_ORD: VH-beta-1 (ordered)"},{"source":"tdb_comment","structure_type":null,"prototype":"V2H","strukturbericht":null,"pearson":"mC6","space_group":{"number":null,"symbol":"C2/m"},"detail":"VH-08Uki.tdb: 'Prototype V2H (mC6, C2/m), beta-1'"}],"review_reasons":["name_has_descriptive_tokens:ORD","no_structure_token"],"names":[{"name":"tdb:VH-08Uki.tdb:VH_BETA_ORD","namespace":"tdb","label":"VH_BETA_ORD","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:vh-beta-ord","namespace":"corpus","label":"phase:h-v:vh-beta-ord","in_sgte_corpus":false}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"VH_BETA_ORD","type_code":"%O","sublattices":[{"site_ratio":0.5,"constituents":["H","VA"]},{"site_ratio":0.5,"constituents":["H","VA"]},{"site_ratio":1.0,"constituents":["V"]}],"stoichiometric":false,"composition":null,"disordered_part":"VH_BETA_2","tdb_definition":{"verbatim":{"phase":{"line_start":56,"line_end":56,"text":"PHASE VH_BETA_ORD %O 3 0.5 0.5 1 !"},"constituent":{"line_start":57,"line_end":57,"text":"CONST VH_BETA_ORD : H% VA : H VA% : V : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null},{"line_start":82,"line_end":82,"text":"TYPE-DEF O GES AMEND_PHASE_DESCRIPTION VH_BETA_ORD DIS_PART VH_BETA_2 !","type_code":"O","amends":"VH_BETA_ORD"}]},"parsed":{"phase_name":"VH_BETA_ORD","type_code":"%O","type_codes":["%","O"],"n_sublattices":3,"site_ratios":[0.5,0.5,1],"constituents":[["H%","VA"],["H","VA%"],["V"]],"major_constituents":[["H"],["VA"],[]],"magnetic":null,"disordered_part":"VH_BETA_2","ordered_partner":null},"parameters":{"total":8,"by_kind":{"G":2,"L":6},"L_by_order":{"0":2,"1":2,"2":2},"interaction_orders":[0,1,2],"endmember_G":2},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}},"tdb_comment_structure":["Prototype V2H (mC6, C2/m), beta-1"]}],"stoichiometry":null,"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":true,"T_min_K":300.0,"T_max_K":467.32,"x_min":0.29435,"x_max":0.48121,"stable_at_top_of_range":false}],"literature":{"values":0,"accepted_values":0,"papers":0},"corpus":{"in_sgte_corpus":false,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase"],"labels":["VH_BETA_ORD"],"values":0,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1},{"id":"phase:h-v:vh2-c1","system":"H-V","elements":["H","V"],"preferred_name":"VH2_C1","status":"assigned","structure":{"structure_type":"st:c1-caf2-cf12","basis":"standard_name","tier":"A","confidence":"high","label":"from the standard phase name","prototype":"CaF2","strukturbericht":"C1","pearson":"cF12","space_group":{"number":225,"symbol":"Fm-3m"}},"candidates":[],"review_reasons":[],"names":[{"name":"paper:10.2320/matertrans.mb200810:δ-VH2","namespace":"paper","label":"δ-VH2","basis":"corpus_mapping:unstated"},{"name":"tdb:VH-08Uki.tdb:VH2_C1","namespace":"tdb","label":"VH2_C1","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3"},{"name":"corpus:phase:h-v:vh2-c1","namespace":"corpus","label":"phase:h-v:vh2-c1","in_sgte_corpus":true}],"models":[{"tdb":"VH-08Uki.tdb","path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","phase_name":"VH2_C1","type_code":"%","sublattices":[{"site_ratio":1.0,"constituents":["V"]},{"site_ratio":2.0,"constituents":["H","VA"]}],"stoichiometric":false,"composition":null,"tdb_definition":{"verbatim":{"phase":{"line_start":66,"line_end":66,"text":"PHASE VH2_C1 % 2 1 2 !"},"constituent":{"line_start":67,"line_end":67,"text":"CONST VH2_C1 : V : H% VA : !"},"type_definitions":[{"line_start":79,"line_end":79,"text":"TYPE-DEF % SEQ * !","type_code":"%","amends":null}]},"parsed":{"phase_name":"VH2_C1","type_code":"%","type_codes":["%"],"n_sublattices":2,"site_ratios":[1,2],"constituents":[["V"],["H%","VA"]],"major_constituents":[[],["H"]],"magnetic":null,"disordered_part":null,"ordered_partner":null},"parameters":{"total":3,"by_kind":{"G":2,"L":1},"L_by_order":{"0":1},"interaction_orders":[0],"endmember_G":2},"provenance":{"path":"databases/sgte-binary/VH-08Uki.tdb","sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","decoded_as":"utf-8","website_url":"https://orchid-project.org/data/databases/sgte-binary/VH-08Uki.tdb","github_url":"https://github.com/orchid-calphad/orchid-pipeline/blob/main/databases/sgte-binary/VH-08Uki.tdb"}},"tdb_comment_structure":["Prototype CaF2 (cF12, Fm-3m), delta"]}],"stoichiometry":null,"stability":[{"tdb":"VH-08Uki.tdb","tdb_sha256":"0027aaa295da99faa4552094bae75f225f35bdb93bb20eea4b72edabe46a77f3","diagram":"phase-diagrams/sgte/VH-08Uki.json","status":"ok","x_element":"H","calc_T_range_K":[300,4000],"stable":false}],"literature":{"values":2,"accepted_values":2,"papers":1},"corpus":{"in_sgte_corpus":true,"phase_mappings":0,"mapping_basis":{},"printed_labels":[]},"references":[{"doi":"10.2320/matertrans.MB200810","citation":"S. Ukita, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 49, 2528-33(2008).","roles":["assessment that models this phase","reports values for this phase"],"labels":["VH2_C1","δ-VH2"],"values":2,"tdb_files":["VH-08Uki.tdb"]}],"total_papers":1}],"structure_types":{"st:a1-cu-cf4":{"id":"st:a1-cu-cf4","prototype":"Cu","prototype_spellings":[],"strukturbericht":"A1","pearson":"cF4","space_group":{"number":225,"symbol":"Fm-3m"},"stoichiometry":null,"sources":[{"citation":"B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, supplementary crystallographic table (mmc2)","doi":"10.1016/j.calphad.2025.102833","license":"CC BY 4.0","rows":4},{"citation":"P. Villars, L. D. Calvert, Pearson's Handbook of Crystallographic Data for Intermetallic Phases, 2nd ed., ASM International (1991)","doi":null},{"citation":"M. J. Mehl et al., The AFLOW Library of Crystallographic Prototypes: Part 1, Comput. Mater. Sci. 136 (2017) S1-S828","doi":"10.1016/j.commatsci.2017.01.017"}],"verification":"built-in row confirmed by Hallstedt 2025 mmc2 (Strukturbericht, Pearson, space group)","registry_phases":1177},"st:a2-w-ci2":{"id":"st:a2-w-ci2","prototype":"W","prototype_spellings":[],"strukturbericht":"A2","pearson":"cI2","space_group":{"number":229,"symbol":"Im-3m"},"stoichiometry":null,"sources":[{"citation":"B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, supplementary crystallographic table (mmc2)","doi":"10.1016/j.calphad.2025.102833","license":"CC BY 4.0","rows":7},{"citation":"P. Villars, L. D. Calvert, Pearson's Handbook of Crystallographic Data for Intermetallic Phases, 2nd ed., ASM International (1991)","doi":null},{"citation":"M. J. Mehl et al., The AFLOW Library of Crystallographic Prototypes: Part 1, Comput. Mater. Sci. 136 (2017) S1-S828","doi":"10.1016/j.commatsci.2017.01.017"}],"verification":"built-in row confirmed by Hallstedt 2025 mmc2 (Strukturbericht, Pearson, space group)","registry_phases":1216},"st:a3-mg-hp2":{"id":"st:a3-mg-hp2","prototype":"Mg","prototype_spellings":[],"strukturbericht":"A3","pearson":"hP2","space_group":{"number":194,"symbol":"P6_3/mmc"},"stoichiometry":null,"sources":[{"citation":"B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, supplementary crystallographic table (mmc2)","doi":"10.1016/j.calphad.2025.102833","license":"CC BY 4.0","rows":15},{"citation":"P. Villars, L. D. Calvert, Pearson's Handbook of Crystallographic Data for Intermetallic Phases, 2nd ed., ASM International (1991)","doi":null},{"citation":"M. J. Mehl et al., The AFLOW Library of Crystallographic Prototypes: Part 1, Comput. Mater. Sci. 136 (2017) S1-S828","doi":"10.1016/j.commatsci.2017.01.017"}],"verification":"built-in row confirmed by Hallstedt 2025 mmc2 (Strukturbericht, Pearson, space group)","registry_phases":1210},"st:c1-caf2-cf12":{"id":"st:c1-caf2-cf12","prototype":"CaF2","prototype_spellings":[],"strukturbericht":"C1","pearson":"cF12","space_group":{"number":225,"symbol":"Fm-3m"},"stoichiometry":"Ca1F2","sources":[{"citation":"B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, supplementary crystallographic table (mmc2)","doi":"10.1016/j.calphad.2025.102833","license":"CC BY 4.0","rows":50},{"citation":"P. Villars, L. D. Calvert, Pearson's Handbook of Crystallographic Data for Intermetallic Phases, 2nd ed., ASM International (1991)","doi":null},{"citation":"M. J. Mehl et al., The AFLOW Library of Crystallographic Prototypes: Part 1, Comput. Mater. Sci. 136 (2017) S1-S828","doi":"10.1016/j.commatsci.2017.01.017"}],"verification":"built-in row confirmed by Hallstedt 2025 mmc2 (Strukturbericht, Pearson, space group)","registry_phases":43},"st:gas":{"id":"st:gas","prototype":null,"prototype_spellings":[],"strukturbericht":null,"pearson":null,"space_group":null,"stoichiometry":null,"sources":[],"verification":"definition (non-crystalline)","registry_phases":231},"st:liquid":{"id":"st:liquid","prototype":null,"prototype_spellings":[],"strukturbericht":null,"pearson":null,"space_group":null,"stoichiometry":null,"sources":[],"verification":"definition (non-crystalline)","registry_phases":1304}},"cite_as":{"dataset":"phase-registry","version":"2026.10","release_tag":"v2026.10","license":"CC-BY-4.0","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.","title":"ORCHID-Registry: phase registry of binary systems","doi":"10.5281/zenodo.23735970","url":"https://doi.org/10.5281/zenodo.23735970","text":"R. Arróyave, J. Saal, D. Shin, ORCHID-Registry: phase registry of binary systems (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735970","bibtex":"@misc{orchid_phase_registry_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID-Registry: phase registry of binary systems}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23735970},\n  url       = {https://doi.org/10.5281/zenodo.23735970},\n  note      = {Version 1, machine-extracted}\n}","also_cite":["B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, https://doi.org/10.1016/j.calphad.2025.102833 (CC BY 4.0), and the original assessment named in each file","A. Jain et al., The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002, https://doi.org/10.1063/1.4812323 (CC BY 4.0)","J. E. Saal et al., JOM 65 (2013) 1501, https://doi.org/10.1007/s11837-013-0755-4 and S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010, https://doi.org/10.1038/npjcompumats.2015.10 (CC BY 4.0)","the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work)"],"part_of":{"title":"ORCHID data: umbrella record of the ORCHID datasets","doi":"10.5281/zenodo.23736065","url":"https://doi.org/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","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}"}}}