Bi–Sr system

31 accepted literature values from 1 paper(s) (experimental 2, model 5, DFT 5, unspecified 19); 1 calculated phase diagram(s). 14 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (10) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	2
model	5
DFT	5
unspecified	19

Accepted values by property group
Property group	Values
formation	12
crystal structure	19

Calculated phase diagrams

Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model.

Assessments with a calculated phase diagram
TDB file	Assessment	SHA-256	Links
BiSr-14Wan.tdb	Y. Wang, J. Xin, C. Chen, S. Liu, B. Hu, Y. Du, Calphad, 45, 49-54(2014). doi:10.1016/j.calphad.2013.12.001	`eae858ed7dbeda75251531ab32e7dc4a5dcadb7443cb88a5e4be8b31f198fb53`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
BiSr-14Wan.tdb	1128.62	BI3SR5_HT (x(Sr) 0.625) + BISR2 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.75374)
BiSr-14Wan.tdb	1128.62	BI3SR5_HT (x(Sr) 0.625) + BISR2 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.754)
BiSr-14Wan.tdb	1128.62	BI3SR5_HT (x(Sr) 0.625) + BISR2 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.75417)
BiSr-14Wan.tdb	973.24	BI3SR5_HT (x(Sr) 0.625) + BI3SR5_D88 (x(Sr) 0.625) + BISR2 (x(Sr) 0.66667)
BiSr-14Wan.tdb	973.24	LIQUID (x(Sr) 0.35591) + BI3SR5_D88 (x(Sr) 0.625) + BI3SR5_HT (x(Sr) 0.625)
BiSr-14Wan.tdb	930.59	BISR2 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.91227) + BCC_A2 (x(Sr) 1)
BiSr-14Wan.tdb	930.59	BISR2 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.91254) + BCC_A2 (x(Sr) 1)
BiSr-14Wan.tdb	882.96	LIQUID (x(Sr) 0.28679) + BI10SR11 (x(Sr) 0.52381) + BI3SR5_D88 (x(Sr) 0.625)
BiSr-14Wan.tdb	882.96	LIQUID (x(Sr) 0.28698) + BI10SR11 (x(Sr) 0.52381) + BI3SR5_D88 (x(Sr) 0.625)
BiSr-14Wan.tdb	833.54	LIQUID (x(Sr) 0.24067) + BI3SR_L12 (x(Sr) 0.25) + BI10SR11 (x(Sr) 0.52381)
BiSr-14Wan.tdb	833.54	LIQUID (x(Sr) 0.24096) + BI3SR_L12 (x(Sr) 0.25) + BI10SR11 (x(Sr) 0.52381)
BiSr-14Wan.tdb	833.54	LIQUID (x(Sr) 0.24052) + BI3SR_L12 (x(Sr) 0.25) + BI10SR11 (x(Sr) 0.52381)
BiSr-14Wan.tdb	820	BISR2 (x(Sr) 0.66667) + FCC_A1 (x(Sr) 1) + BCC_A2 (x(Sr) 1)
BiSr-14Wan.tdb	531.24	RHOMBOHEDRAL_A7 (x(Sr) 0) + LIQUID (x(Sr) 0.0256) + BI3SR_L12 (x(Sr) 0.25)
BiSr-14Wan.tdb	531.24	RHOMBOHEDRAL_A7 (x(Sr) 0) + LIQUID (x(Sr) 0.02546) + BI3SR_L12 (x(Sr) 0.25)
BiSr-14Wan.tdb	531.24	RHOMBOHEDRAL_A7 (x(Sr) 0) + LIQUID (x(Sr) 0.02545) + BI3SR_L12 (x(Sr) 0.25)
BiSr-14Wan.tdb	531.24	RHOMBOHEDRAL_A7 (x(Sr) 0) + LIQUID (x(Sr) 0.02545) + BI3SR_L12 (x(Sr) 0.25)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Formation enthalpies

Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.

Enthalpies of formation, Bi–Sr system (12)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
Sr11Bi10		-76.19 kJ/mol-atom	298.15	DFT			[1] Wang 2014	Table 2, p. 3, row 16 report
Sr11Bi10	Bi10Sr11	-74.06 kJ/mol-atom	298.15	model	-82.788 (mp-aaaabsvp)	-84.404 (oqmd-50743)	[1] Wang 2014	Table 2, p. 3, row 17 report
Sr2Bi	BiSr2	-104 kJ/mol-atom ± 1.67	298.15	experimental	-72.467 (mp-aaaabrvf)	-74.05 (oqmd-7610)	[1] Wang 2014 cites Shukarev 1956	Table 2, p. 3, row 22 report
Sr2Bi	BiSr2	-76.47 kJ/mol-atom	298.15	model	-72.467 (mp-aaaabrvf)	-74.05 (oqmd-7610)	[1] Wang 2014	Table 2, p. 3, row 24 report
Sr2Bi		-73.23 kJ/mol-atom	298.15	DFT			[1] Wang 2014	Table 2, p. 3, row 23 report
SrBi3	Bi3Sr	-89.87 kJ/mol-atom ± 5.64	298.15	experimental	-42.255 (mp-aaaabigt)	-43.387 (oqmd-10964)	[1] Wang 2014 cites Shukarev 1956	Table 2, p. 3, row 13 report
SrBi3		-43.22 kJ/mol-atom	298.15	DFT			[1] Wang 2014	Table 2, p. 3, row 14 report
SrBi3	Bi3Sr	-42.56 kJ/mol-atom	298.15	model	-42.255 (mp-aaaabigt)	-43.387 (oqmd-10964)	[1] Wang 2014	Table 2, p. 3, row 15 report
αSr5Bi3		-84.51 kJ/mol-atom	298.15	DFT			[1] Wang 2014	Table 2, p. 3, row 18 report
αSr5Bi3	Bi3Sr5	-82 kJ/mol-atom	298.15	model	-84.259 (mp-aaaabrvg)	-85.527 (oqmd-7612)	[1] Wang 2014	Table 2, p. 3, row 19 report
βSr5Bi3		-82.84 kJ/mol-atom	298.15	DFT			[1] Wang 2014	Table 2, p. 3, row 20 report
βSr5Bi3	Bi3Sr5	-80 kJ/mol-atom	298.15	model	-84.259 (mp-aaaabrvg)	-85.527 (oqmd-7612)	[1] Wang 2014	Table 2, p. 3, row 21 report

Other properties

Crystal structure (19)

Crystal structure, Bi–Sr system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Lattice a	13.021 Å	298.15	Sr11Bi10 alloy: Sr 0.52381	unspecified	[1] Wang 2014	Table 1, p. 2, row 23 report
Lattice a	12.765 Å	298.15	Sr11Bi10 alloy: Sr 0.52381	unspecified	[1] Wang 2014	Table 1, p. 2, row 22 report
Lattice a	5.01 Å	298.15	Sr2Bi alloy: Sr 0.666667	unspecified	[1] Wang 2014	Table 1, p. 2, row 28 report
Lattice a	5.06 Å	298.15	SrBi3 alloy: Sr 0.25	unspecified	[1] Wang 2014	Table 1, p. 2, row 21 report
Lattice a	5.042 Å	298.15	SrBi3 alloy: Sr 0.25	unspecified	[1] Wang 2014	Table 1, p. 2, row 20 report
Lattice a	9.754 Å	298.15	αSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 25 report
Lattice a	9.63 Å	298.15	αSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 24 report
Lattice a	13.681 Å	298.15	βSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 27 report
Lattice a	13.37 Å	298.15	βSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 26 report
Lattice b	10.302 Å	298.15	βSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 27 report
Lattice b	10.233 Å	298.15	βSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 26 report
Lattice c	18.196 Å	298.15	Sr11Bi10 alloy: Sr 0.52381	unspecified	[1] Wang 2014	Table 1, p. 2, row 23 report
Lattice c	18.407 Å	298.15	Sr11Bi10 alloy: Sr 0.52381	unspecified	[1] Wang 2014	Table 1, p. 2, row 22 report
Lattice c	18.091 Å	298.15	Sr2Bi alloy: Sr 0.666667	unspecified	[1] Wang 2014	Table 1, p. 2, row 29 report
Lattice c	17.68 Å	298.15	Sr2Bi alloy: Sr 0.666667	unspecified	[1] Wang 2014	Table 1, p. 2, row 28 report
Lattice c	7.542 Å	298.15	αSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 25 report
Lattice c	7.63 Å	298.15	αSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 24 report
Lattice c	8.917 Å	298.15	βSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 27 report
Lattice c	8.89 Å	298.15	βSr5Bi3 alloy: Sr 0.625	unspecified	[1] Wang 2014	Table 1, p. 2, row 26 report

Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

Yao Wang, Jinghua Xin, Chong Chen, Shuhong Liu, Biao Hu, Yong Du, Thermodynamic assessment of the Sr–In and Sr–Bi systems supported by first-principles calculations, Calphad 45, 49-54 (2014). doi:10.1016/j.calphad.2013.12.001

Please cite

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). doi:10.5281/zenodo.23735569
R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). doi:10.5281/zenodo.23735859
R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). doi:10.5281/zenodo.23735891
R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23736065

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); 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). 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.

@misc{orchid_literature_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735569},
  url       = {https://doi.org/10.5281/zenodo.23735569},
  note      = {Version 1, machine-extracted}
}

@misc{orchid_phase_diagrams_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Diagrams: calculated binary phase diagrams}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735859},
  url       = {https://doi.org/10.5281/zenodo.23735859}
}

@misc{orchid_hulls_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735891},
  url       = {https://doi.org/10.5281/zenodo.23735891}
}

@misc{orchid_data_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23736065},
  url       = {https://doi.org/10.5281/zenodo.23736065},
  note      = {Version 1, machine-extracted}
}