Re–Si system

44 accepted literature values from 2 paper(s) (experimental 14, model 30); 2 calculated phase diagram(s). 1 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 (8) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	14
model	30

Accepted values by property group
Property group	Values
invariant reaction	14
formation	30

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
ReSi-01Sha.tdb	G. Shao, Intermetallics, 9, 1063-68(2001). doi:10.1016/S0966-9795(01)00110-8	`8a623c4f1c1cc1b7d5def4d694e38a83af36b93b4e12dd3240cd6d7d79b70b2a`	viewer · TDB · JSON
ReSi-10Yan.tdb	Y. Yang, S. Chen, Y.A. Chang, Intermetallics, 18, 51-56(2010). doi:10.1016/j.intermet.2009.06.003	`6fc754ec7ed8d85ec0b7ff5577a45ad83fd42a93cfe3c6ad4abdb25e8f8fc9fb`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
ReSi-01Sha.tdb	2071.15	LIQUID (x(Si) 0.41033) + RESI_B20 (x(Si) 0.5) + RESI2 (x(Si) 0.64286)
ReSi-01Sha.tdb	2071.15	LIQUID (x(Si) 0.41043) + RESI_B20 (x(Si) 0.5) + RESI2 (x(Si) 0.64286)
ReSi-01Sha.tdb	2071.15	LIQUID (x(Si) 0.41078) + RESI_B20 (x(Si) 0.5) + RESI2 (x(Si) 0.64286)
ReSi-01Sha.tdb	2044.83	RE2SI (x(Si) 0.33333) + LIQUID (x(Si) 0.38601) + RESI_B20 (x(Si) 0.5)
ReSi-01Sha.tdb	2044.83	RE2SI (x(Si) 0.33333) + LIQUID (x(Si) 0.38551) + RESI_B20 (x(Si) 0.5)
ReSi-01Sha.tdb	2044.83	RE2SI (x(Si) 0.33333) + LIQUID (x(Si) 0.38528) + RESI_B20 (x(Si) 0.5)
ReSi-01Sha.tdb	2010.43	HCP_A3 (x(Si) 0.08557) + LIQUID (x(Si) 0.25925) + RE2SI (x(Si) 0.33333)
ReSi-01Sha.tdb	2010.43	HCP_A3 (x(Si) 0.08553) + LIQUID (x(Si) 0.25921) + RE2SI (x(Si) 0.33333)
ReSi-01Sha.tdb	1925.4	RE2SI (x(Si) 0.33333) + RESI_B20 (x(Si) 0.5) + RESI2 (x(Si) 0.64286)
ReSi-01Sha.tdb	1633.7	RESI2 (x(Si) 0.64286) + LIQUID (x(Si) 0.94089) + DIAMOND_A4 (x(Si) 1)
ReSi-01Sha.tdb	1633.7	RESI2 (x(Si) 0.64286) + LIQUID (x(Si) 0.94094) + DIAMOND_A4 (x(Si) 1)
ReSi-10Yan.tdb	2088.64	LIQUID (x(Si) 0.43922) + RESI_B20 (x(Si) 0.5) + RESI2 (x(Si) 0.63807)
ReSi-10Yan.tdb	2088.64	LIQUID (x(Si) 0.43944) + RESI_B20 (x(Si) 0.5) + RESI2 (x(Si) 0.63808)
ReSi-10Yan.tdb	2051.87	RE2SI (x(Si) 0.33333) + LIQUID (x(Si) 0.39321) + RESI_B20 (x(Si) 0.5)
ReSi-10Yan.tdb	2051.87	RE2SI (x(Si) 0.33333) + LIQUID (x(Si) 0.39282) + RESI_B20 (x(Si) 0.5)
ReSi-10Yan.tdb	2051.87	RE2SI (x(Si) 0.33333) + LIQUID (x(Si) 0.39257) + RESI_B20 (x(Si) 0.5)
ReSi-10Yan.tdb	1989.16	HCP_A3 (x(Si) 0.12322) + LIQUID (x(Si) 0.23667) + RE2SI (x(Si) 0.33333)
ReSi-10Yan.tdb	1989.16	HCP_A3 (x(Si) 0.12318) + LIQUID (x(Si) 0.23664) + RE2SI (x(Si) 0.33333)
ReSi-10Yan.tdb	1922.5	RE2SI (x(Si) 0.33333) + RESI_B20 (x(Si) 0.5) + RESI2 (x(Si) 0.64049)
ReSi-10Yan.tdb	1644.76	RESI2 (x(Si) 0.66589) + LIQUID (x(Si) 0.94704) + DIAMOND_A4 (x(Si) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull ReSi-01Sha

Invariant reactions (literature)

Invariant reactions reported in the literature for the Re–Si system (14)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
2213	congruent melting: Liquid -> ReSi2	L: Si 0.643; ReSi2: Si 0.643	experimental	[1] Yang 2010 cites Gokhale 1996 doi	Table 3, p. 3, row 4 report
2205.94	congruent melting: Liquid -> ReSi2	L: Si 0.647; ReSi2: Si 0.647	model	[1] Yang 2010	Table 3, p. 3, row 3 report
2093	Liquid + ReSi2 -> ReSi	L: Si 0.46; ReSi2: Si 0.643; ReSi: Si 0.5	experimental	[1] Yang 2010 cites Gokhale 1996 doi	Table 3, p. 3, row 2 report
2088.64	Liquid + ReSi2 -> ReSi	L: Si 0.439; ReSi2: Si 0.638; ReSi: Si 0.5	model	[1] Yang 2010	Table 3, p. 3, row 1 report
2083	congruent melting: Liquid -> Re2Si	L: Si 0.667; Re2Si: Si 0.667	experimental	[1] Yang 2010 cites Gokhale 1996 doi	Table 3, p. 3, row 8 report
2072.87	congruent melting: Liquid -> Re2Si	L: Si 0.667; Re2Si: Si 0.667	model	[1] Yang 2010	Table 3, p. 3, row 7 report
2051.87	eutectic: Liquid -> Re2Si + ReSi	L: Si 0.393; Re2Si: Si 0.333; ReSi: Si 0.5	model	[1] Yang 2010	Table 3, p. 3, row 5 report
2043	eutectic: Liquid -> Re2Si + ReSi	L: Si 0.39; Re2Si: Si 0.333; ReSi: Si 0.5	experimental	[1] Yang 2010 cites Gokhale 1996 doi	Table 3, p. 3, row 6 report
1989.14	eutectic: Liquid -> (Re) + Re2Si	L: Si 0.237; (Re): Si 0.108; Re2Si: Si 0.333	model	[1] Yang 2010	Table 3, p. 3, row 9 report
1983	eutectic: Liquid -> (Re) + Re2Si	L: Si 0.26; (Re): Si 0.1; Re2Si: Si 0.333	experimental	[1] Yang 2010 cites Gokhale 1996 doi	Table 3, p. 3, row 10 report
1923	ReSi -> Re2Si + ReSi2	ReSi: Si 0.5; Re2Si: Si 0.333; ReSi2: Si 0.643	experimental	[1] Yang 2010 cites Gokhale 1996 doi	Table 3, p. 3, row 12 report
1922.51	ReSi -> Re2Si + ReSi2	ReSi: Si 0.5; Re2Si: Si 0.333; ReSi2: Si 0.641	model	[1] Yang 2010	Table 3, p. 3, row 11 report
1653	eutectic: Liquid -> ReSi2 + (Si)	L: Si 0.9; ReSi2: Si 0.643; (Si): Si 1	experimental	[1] Yang 2010 cites Gokhale 1996 doi	Table 3, p. 3, row 14 report
1644.76	eutectic: Liquid -> ReSi2 + (Si)	L: Si 0.947; ReSi2: Si 0.666; (Si): Si 1	model	[1] Yang 2010	Table 3, p. 3, row 13 report

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, Re–Si system (30)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
Re2Si	Re2Si	-27 kJ/mol-atom		model	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[2] Shao 2001 cites de Boer FR 1989	Table 1, p. 3, row 3 report
Re2Si	Re2Si	-22.7 kJ/mol-atom		model	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[1] Yang 2010 cites Shao 2001 doi	Table 2, p. 3, row 5 report
Re2Si	Re2Si	-22.7 kJ/mol-atom		model	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[2] Shao 2001	Table 1, p. 3, row 4 report
Re2Si	Re2Si	-22 kJ/mol-atom		model	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[1] Yang 2010 cites Boer 1989	Table 2, p. 3, row 3 report
Re2Si	Re2Si	-20 kJ/mol-atom	298.15	experimental	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[2] Shao 2001 cites Searcy 1953 doi	Table 1, p. 3, row 1 report
Re2Si	Re2Si	-20 kJ/mol-atom	298.15	experimental	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[1] Yang 2010 cites Searcy 1962	Table 2, p. 3, row 1 report
Re2Si	Re2Si	-19.7 kJ/mol-atom		model	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[2] Shao 2001 cites Chart 1973	Table 1, p. 3, row 2 report
Re2Si	Re2Si	-19.7 kJ/mol-atom		model	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[1] Yang 2010 cites Chart 1973	Table 2, p. 3, row 2 report
Re2Si	Re2Si	-19.367 kJ/mol-atom		model	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[1] Yang 2010	Table 2, p. 3, row 6 report
Re2Si	Re2Si	-12.7 kJ/mol-atom ± 2.5	298.15	experimental	12.813 (mp-aaabmclv)	-21.934 (oqmd-1800633)	[1] Yang 2010 cites Meschel 1998 doi	Table 2, p. 3, row 4 report
Re2Si + ReSi1.8		-24.8 kJ/mol-atom		model			[2] Shao 2001	Table 1, p. 3, row 9 report
ReSi	ReSi	-32.1 kJ/mol-atom		model	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[2] Shao 2001 cites Machlin 1981 doi	Table 1, p. 3, row 8 report
ReSi	ReSi	-28 kJ/mol-atom		model	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[2] Shao 2001 cites de Boer FR 1989	Table 1, p. 3, row 7 report
ReSi	ReSi	-28 kJ/mol-atom		model	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[1] Yang 2010 cites Boer 1989	Table 2, p. 3, row 9 report
ReSi	ReSi	-26.4 kJ/mol-atom		model	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[1] Yang 2010 cites Chart 1973	Table 2, p. 3, row 8 report
ReSi	ReSi	-26.4 kJ/mol-atom		model	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[2] Shao 2001 cites Chart 1973	Table 1, p. 3, row 6 report
ReSi	ReSi	-26.356 kJ/mol-atom		model	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[1] Yang 2010	Table 2, p. 3, row 11 report
ReSi	ReSi	-25.4 kJ/mol-atom	298.15	experimental	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[1] Yang 2010 cites Searcy 1962	Table 2, p. 3, row 7 report
ReSi	ReSi	-25.4 kJ/mol-atom	298.15	experimental	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[2] Shao 2001 cites Searcy 1953 doi	Table 1, p. 3, row 5 report
ReSi	ReSi	-24.8 kJ/mol-atom		model	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[2] Shao 2001	Table 1, p. 3, row 9 report
ReSi	ReSi	-24.8 kJ/mol-atom		model	-25.658 (mp-aaaaalts)	-27.31 (oqmd-5064)	[1] Yang 2010 cites Shao 2001 doi	Table 2, p. 3, row 10 report
ReSi1.8		-31.2 kJ/mol-atom		model			[2] Shao 2001	Table 1, p. 3, row 13 report
ReSi1.8		-30.1 kJ/mol-atom		model			[2] Shao 2001 cites Chart 1973	Table 1, p. 3, row 11 report
ReSi1.8		-28.8 kJ/mol-atom	298.15	experimental			[2] Shao 2001 cites Searcy 1953 doi	Table 1, p. 3, row 10 report
ReSi1.8		-16 kJ/mol-atom		model			[2] Shao 2001 cites Choi 1992 doi	Table 1, p. 3, row 12 report
ReSi2	ReSi2	-33.445 kJ/mol-atom		model	-14.277 (mp-aaaaasqv)	-17.558 (oqmd-6973)	[1] Yang 2010	Table 2, p. 3, row 16 report
ReSi2	ReSi2	-31.2 kJ/mol-atom		model	-14.277 (mp-aaaaasqv)	-17.558 (oqmd-6973)	[1] Yang 2010 cites Shao 2001 doi	Table 2, p. 3, row 15 report
ReSi2	ReSi2	-30.1 kJ/mol-atom		model	-14.277 (mp-aaaaasqv)	-17.558 (oqmd-6973)	[1] Yang 2010 cites Chart 1973	Table 2, p. 3, row 13 report
ReSi2	ReSi2	-28.8 kJ/mol-atom	298.15	experimental	-14.277 (mp-aaaaasqv)	-17.558 (oqmd-6973)	[1] Yang 2010 cites Searcy 1962	Table 2, p. 3, row 12 report
ReSi2	ReSi2	-10 kJ/mol-atom		model	-14.277 (mp-aaaaasqv)	-17.558 (oqmd-6973)	[1] Yang 2010 cites Boer 1989	Table 2, p. 3, row 14 report

Sources

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

Ying Yang, Shuanglin Chen, Y. Austin Chang, Thermodynamic modeling of the Re–Si–B system, Intermetallics 18, 51-56 (2010). doi:10.1016/j.intermet.2009.06.003
G. Shao, Thermodynamic analysis of the Re–Si system, Intermetallics 9, 1063-1068 (2001). doi:10.1016/s0966-9795(01)00110-8

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}
}