C–Cu–Fe–H–Ni–O system

55 accepted literature values from 2 paper(s) (experimental 55); 0 calculated phase diagram(s).

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Accepted values by evidence class
Evidence class	Values
experimental	55

Accepted values by property group
Property group	Values
model expression	55

Other properties

Model expression (55)

Model expression, C–Cu–Fe–H–Ni–O system
Property	Value	Phases / composition	Class	Source	Location
gibbs energy expression term printed: ΔG° (B, coefficient of T)	85.302 J/mol/K	UNKNOWN	experimental	[1] Hallstedt 1994 cites St 1993	Table 4, p. 10, row 12 report
gibbs energy expression term printed: ΔG° (A of A + B·T + C·T lnT)	-280573 J/mol	UNKNOWN	experimental	[1] Hallstedt 1994 cites ref. 92	Table 4, p. 10, row 19 report
gibbs energy expression term printed: ΔG° (B, coefficient of T)	86.341 J/mol/K	UNKNOWN	experimental	[1] Hallstedt 1994 cites ref. 92	Table 4, p. 10, row 19 report
gibbs energy expression term printed: ΔG° b (T)	56.472 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 31 report
gibbs energy expression term printed: ΔG° a	-249200 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 31 report
gibbs energy expression term printed: ΔG° c (T ln T)	-4.898 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1993	Table 4, p. 9, row 17 report
gibbs energy expression term printed: ΔG° b (T)	124.257 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1993	Table 4, p. 9, row 17 report
gibbs energy expression term printed: ΔG° a	-239484 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1993	Table 4, p. 9, row 17 report
gibbs energy expression term printed: ΔG° (A of A + B·T + C·T lnT)	-232155 J/mol	UNKNOWN	experimental	[1] Hallstedt 1994 cites St 1993	Table 4, p. 10, row 13 report
gibbs energy expression term printed: ΔG° (B, coefficient of T)	83.485 J/mol/K	UNKNOWN	experimental	[1] Hallstedt 1994 cites St 1993	Table 4, p. 10, row 13 report
gibbs energy expression term printed: ΔG° (B, coefficient of T)	65.414 J/mol/K	UNKNOWN alloy: Cu 0, Fe 0, H 0, Ni 0, O 1	experimental	[1] Hallstedt 1994 cites Sundman 1991 doi	Table 4, p. 10, row 17 report
gibbs energy expression term printed: ΔG° (A of A + B·T + C·T lnT)	-264533 J/mol	UNKNOWN alloy: Cu 0, Fe 0, H 0, Ni 0, O 1	experimental	[1] Hallstedt 1994 cites Sundman 1991 doi	Table 4, p. 10, row 17 report
gibbs energy expression term printed: ΔG° a	-232155 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1993	Table 4, p. 9, row 19 report
gibbs energy expression term printed: ΔG° b (T)	83.54 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1993	Table 4, p. 9, row 19 report
gibbs energy expression term printed: ΔG° (B, coefficient of T)	64.192 J/mol/K	UNKNOWN alloy: Cu 0, Fe 0, H 0, Ni 0, O 1	experimental	[1] Hallstedt 1994 cites ref. 92Sun2	Table 4, p. 10, row 16 report
gibbs energy expression term printed: ΔG° (A of A + B·T + C·T lnT)	-167024 J/mol	UNKNOWN	experimental	[1] Hallstedt 1994	Table 4, p. 10, row 14 report
gibbs energy expression term printed: ΔG° (B, coefficient of T)	71.595 J/mol/K	UNKNOWN	experimental	[1] Hallstedt 1994	Table 4, p. 10, row 14 report
gibbs energy expression term printed: ΔG° a	-167024 J/mol	UNKNOWN alloy: Cu 0.666667, Fe 0, H 0, Ni 0, O 0.333333	experimental	[2] Chen 2003 cites Hallstedt 1994 doi	Table 4, p. 9, row 20 report
gibbs energy expression term printed: ΔG° b (T)	71.65 J/(mol K)	UNKNOWN alloy: Cu 0.666667, Fe 0, H 0, Ni 0, O 0.333333	experimental	[2] Chen 2003 cites Hallstedt 1994 doi	Table 4, p. 9, row 20 report
gibbs energy expression term printed: ΔG° (B, coefficient of T)	86.341 J/mol/K	UNKNOWN	experimental	[1] Hallstedt 1994 cites ref. 92	Table 4, p. 10, row 18 report
gibbs energy expression term printed: ΔG° (A of A + B·T + C·T lnT)	-281968 J/mol	UNKNOWN	experimental	[1] Hallstedt 1994 cites ref. 92	Table 4, p. 10, row 18 report
gibbs energy expression term printed: ΔG° b (T)	134.533 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 26 report
gibbs energy expression term printed: ΔG° c (T ln T)	-8.47 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 26 report
gibbs energy expression term printed: ΔG° a	-275409 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 26 report
gibbs energy expression term printed: ΔG° (C, coefficient of T lnT)	7.554 J/mol/K	UNKNOWN alloy: Cu 0, Fe 0, H 0, Ni 0, O 1	experimental	[1] Hallstedt 1994 cites Sundman 1991 doi	Table 4, p. 10, row 15 report
gibbs energy expression term printed: ΔG° (B, coefficient of T)	4.551 J/mol/K	UNKNOWN alloy: Cu 0, Fe 0, H 0, Ni 0, O 1	experimental	[1] Hallstedt 1994 cites Sundman 1991 doi	Table 4, p. 10, row 15 report
gibbs energy expression term printed: ΔG° (A of A + B·T + C·T lnT)	-255779 J/mol	UNKNOWN alloy: Cu 0, Fe 0, H 0, Ni 0, O 1	experimental	[1] Hallstedt 1994 cites Sundman 1991 doi	Table 4, p. 10, row 15 report
gibbs energy expression term printed: ΔG° (B, coefficient of T)	124.202 J/mol/K	UNKNOWN	experimental	[1] Hallstedt 1994 cites St 1993	Table 4, p. 10, row 11 report
gibbs energy expression term printed: ΔG° a	-282330 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 28 report
gibbs energy expression term printed: ΔG° b (T)	86.651 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 28 report
gibbs energy expression term printed: ΔG° b (T)	57.458 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 32 report
gibbs energy expression term printed: ΔG° a	-250522 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 32 report
gibbs energy expression term printed: ΔG° b (T)	54.782 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 30 report
gibbs energy expression term printed: ΔG° a	-247320 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 30 report
gibbs energy expression term printed: ΔG° b (T)	125.535 J/(mol K)	UNKNOWN alloy: Cu 0.666667, Fe 0, H 0, Ni 0, O 0.333333	experimental	[2] Chen 2003 cites Hallstedt 1994 doi	Table 4, p. 9, row 21 report
gibbs energy expression term printed: ΔG° a	-174010 J/mol	UNKNOWN alloy: Cu 0.666667, Fe 0, H 0, Ni 0, O 0.333333	experimental	[2] Chen 2003 cites Hallstedt 1994 doi	Table 4, p. 9, row 21 report
gibbs energy expression term printed: ΔG° c (T ln T)	-6.79 J/(mol K)	UNKNOWN alloy: Cu 0.666667, Fe 0, H 0, Ni 0, O 0.333333	experimental	[2] Chen 2003 cites Hallstedt 1994 doi	Table 4, p. 9, row 21 report
gibbs energy expression term printed: ΔG° a	-234540 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1993	Table 4, p. 9, row 18 report
gibbs energy expression term printed: ΔG° b (T)	85.357 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1993	Table 4, p. 9, row 18 report
gibbs energy expression term printed: ΔG° a	-245940 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 29 report
gibbs energy expression term printed: ΔG° b (T)	53.087 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites ref. 1997	Table 4, p. 9, row 29 report
gibbs energy expression term printed: ΔG° b (T)	0.292 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 23 report
gibbs energy expression term printed: ΔG° c (T ln T)	8.098 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 23 report
gibbs energy expression term printed: ΔG° a	-255283 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 23 report
gibbs energy expression term printed: ΔG° b (T)	95.804 J/(mol K)	UNKNOWN alloy: Cu 0.5, Fe 0, H 0, Ni 0, O 0.5	experimental	[2] Chen 2003 cites Hallstedt 1994 doi	Table 4, p. 9, row 22 report
gibbs energy expression term printed: ΔG° a	-132520 J/mol	UNKNOWN alloy: Cu 0.5, Fe 0, H 0, Ni 0, O 0.5	experimental	[2] Chen 2003 cites Hallstedt 1994 doi	Table 4, p. 9, row 22 report
gibbs energy expression term printed: ΔG° (B, coefficient of T)	57.4028 J/mol/K	UNKNOWN	experimental	[1] Hallstedt 1994 cites ref. 92	Table 4, p. 10, row 20 report
gibbs energy expression term printed: ΔG° (A of A + B·T + C·T lnT)	-250522 J/mol	UNKNOWN	experimental	[1] Hallstedt 1994 cites ref. 92	Table 4, p. 10, row 20 report
gibbs energy expression term printed: ΔG° b (T)	64.247 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 25 report
gibbs energy expression term printed: ΔG° a	-263165 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 25 report
gibbs energy expression term printed: ΔG° b (T)	4.606 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 24 report
gibbs energy expression term printed: ΔG° c (T ln T)	7.554 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 24 report
gibbs energy expression term printed: ΔG° a	-255779 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 24 report
gibbs energy expression term printed: ΔG° a	-264533 J/mol	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 27 report
gibbs energy expression term printed: ΔG° b (T)	65.469 J/(mol K)	UNKNOWN	experimental	[2] Chen 2003 cites Sundman 1991 doi	Table 4, p. 9, row 27 report

Sources

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

B. Hallstedt, D. Risold, L. J. Gauckler, Thermodynamic assessment of the copper-oxygen system, JPE 15, 483-499 (1994). doi:10.1007/bf02649399
Ming Chen, Bengt Hallstedt, Ludwig J. Gauckler, Thermodynamic assessment of the Co-O system, JPE 24, 212-227 (2003). doi:10.1361/105497103770330514

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 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_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}
}