In–N system

41 accepted literature values from 1 paper(s) (experimental 22, model 9, unspecified 10); 1 calculated phase diagram(s). 11 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	22
model	9
unspecified	10

Accepted values by property group
Property group	Values
phase transition	13
formation	17
heat capacity / entropy / enthalpy	11

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
InN-02Ond.tdb	B. Onderka, J. Unland, R. Schmid-Fetzer, J. Mater. Res., 17, 3065-83(2002).	`1390e31379d591aaa398d0e7e5bcc28cd39443a1232bfcf05b852ced52672411`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
InN-02Ond.tdb	429.75	LIQUID (x(N) 0) + TETRAGONAL_A6 (x(N) 0) + GAS (x(N) 1)

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, In–N system (17)
Phase	Value	T (K)	Class	Source	Location
InN	-143.5 per formula unit	298.15	experimental	[1] Onderka 2002 cites MacChesney 1970	Table III, p. 10, row 2 report
InN	-136.4 per formula unit ± 19	298.15	experimental	[1] Onderka 2002 cites Vorobev 1973	Table III, p. 10, row 5 report
InN	-133.1 kJ/mol (basis unstated)	298.15	unspecified	[1] Onderka 2002 cites Vorobev 1973	Table AI, p. 18, row 42 report
InN	-132.6 per formula unit ± 6	298.15	experimental	[1] Onderka 2002 cites Vorobev 1971	Table III, p. 10, row 4 report
InN	-131.4 per formula unit ± 7	298.15	experimental	[1] Onderka 2002 cites Jones 1987	Table III, p. 10, row 7 report
InN	-129.3 kJ/mol (basis unstated)	298.15	unspecified	[1] Onderka 2002 cites Vorobev 1971	Table AI, p. 18, row 41 report
InN	-128.1 kJ/mol (basis unstated)	298.15	unspecified	[1] Onderka 2002 cites Jones 1987	Table AI, p. 18, row 44 report
InN	-127.6 per formula unit ± 3	298.15	experimental	[1] Onderka 2002 cites Gordienko 1977	Table III, p. 10, row 6 report
InN	-124.3 kJ/mol (basis unstated)	298.15	unspecified	[1] Onderka 2002 cites Gordienko 1977	Table AI, p. 18, row 43 report
InN	-113 per formula unit ± 42	298.15	experimental	[1] Onderka 2002 cites Vorobev 1971	Table III, p. 10, row 3 report
InN	-109.7 kJ/mol (basis unstated)	298.15	unspecified	[1] Onderka 2002 cites Vorobev 1971	Table AI, p. 18, row 41 report
InN	-96.5 per formula unit	298.15	model	[1] Onderka 2002	Table III, p. 10, row 11 report
InN	-96.5 kJ/mol (basis unstated)	298.15	model	[1] Onderka 2002	Table AI, p. 18, row 34 report
InN	-28.6 per formula unit ± 9.2	298.15	experimental	[1] Onderka 2002 cites Ranade 2001	Table III, p. 10, row 8 report
InN	-28.6 kJ/mol (basis unstated)	298.15	model	[1] Onderka 2002	Table AI, p. 18, row 34 report
InN	-19.2 per formula unit ± 2	298.15	experimental	[1] Onderka 2002 cites Hahn 1940	Table III, p. 10, row 10 report
InN	-19.2 kJ/mol (basis unstated)	298.15	unspecified	[1] Onderka 2002 cites Hahn 1940	Table AI, p. 18, row 40 report

Other properties

Phase transition (13)

Phase transition, In–N system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Phase transition	773 K	773	Decomposition of InN (+In) powder, TGA, DTA, high resolution TGA in isothermal steps, XRD alloy: N 0.5	experimental	[1] Onderka 2002	Table V, p. 14, row 12 report
Phase transition	773 K	773	Thin film InN decomposition alloy: N 0.5	experimental	[1] Onderka 2002 cites Trainor 1974	Table V, p. 14, row 3 report
Phase transition	775 K	775	Thin InN (+In) film decomposition, optical microscopy alloy: N 0.5	experimental	[1] Onderka 2002	Table V, p. 14, row 13 report
Phase transition	795 K	795	Decomposition of InN (+In) powders, high pressure autoclave 1–1000 bar, XRD alloy: N 0.5	experimental	[1] Onderka 2002 cites MacChesney 1970	Table V, p. 14, row 1 report
Phase transition	823 K	823	Thin film InN monocrystal decomposition, RHEED, XPS, optical microscopy alloy: N 0.5	experimental	[1] Onderka 2002 cites Guo 1993	Table V, p. 14, row 4 report
Phase transition	843 K	843	Decomposition of pure InN powder under high N2 pressure, XRD alloy: N 0	experimental	[1] Onderka 2002 cites Grzegory 1994	Table V, p. 14, row 5 report
Phase transition	873 K	873 (<)	Decomposition of pure InN powder under high N2 pressure, XRD alloy: N 0	experimental	[1] Onderka 2002 cites Grzegory 1994	Table V, p. 14, row 6 report
Phase transition	903 K	903	Thin film InN decomposition, mass-spectrometer. Only upper limit of P(N2) given alloy: N 0	experimental	[1] Onderka 2002 cites Ambacher 1996	Table V, p. 14, row 9 report
Phase transition	933 K	933	Decomposition of InN crystallites (10–50 μm) under high pressure, XRD alloy: N 0.5	experimental	[1] Onderka 2002 cites Krukowski 1998	Table V, p. 14, row 10 report
Phase transition	945 K	945	Decomposition of InN (+In) powders, high pressure autoclave 1–1000 bar, XRD alloy: N 0.5	experimental	[1] Onderka 2002 cites MacChesney 1970	Table V, p. 14, row 2 report
Phase transition	973 K	973	Decomposition of pure InN powder under high N2 pressure, XRD alloy: N 0	experimental	[1] Onderka 2002 cites Grzegory 1994	Table V, p. 14, row 7 report
Phase transition	973 K	973 (>)	Decomposition of pure InN powder under high N2 pressure, XRD alloy: N 0	experimental	[1] Onderka 2002 cites Grzegory 1994	Table V, p. 14, row 8 report
Phase transition	983 K	983	Decomposition of InN crystallites (10–50 μm) under high pressure, XRD alloy: N 0.5	experimental	[1] Onderka 2002 cites Krukowski 1998	Table V, p. 14, row 11 report

Heat capacity / entropy / enthalpy (11)

Heat capacity / entropy / enthalpy, In–N system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Entropy printed: S°298	43.5 J/mol-formula K	298.15	InN	unspecified	[1] Onderka 2002 cites Kubaschewski 1993	Table AI, p. 18, row 45 report
Entropy printed: ΔmS	60.2 J/mol-formula K	298.15	InN	model	[1] Onderka 2002 cites Jones 1984	Table AI, p. 18, row 36 report
Entropy printed: ΔmS	59 J/mol-formula K	298.15	InN	model	[1] Onderka 2002 cites Jones 1984	Table AI, p. 18, row 35 report
Entropy printed: S°298	31.6 J/mol-formula K	298.15	InN	model	[1] Onderka 2002	Table AI, p. 18, row 34 report
Entropy printed: ΔmS	42.6 J/mol-formula K	831	InN	unspecified	[1] Onderka 2002 cites Van 1973	Table AI, p. 18, row 31 report
Entropy printed: ΔmS	65 J/mol-formula K	1714	InN	model	[1] Onderka 2002	Table AI, p. 18, row 34 report
Heat capacity printed: Cp	38.65 J/mol-formula K	293	InN	experimental	[1] Onderka 2002 cites Krukowski 1999	p. 8 report	calorimetry (DSC) on crystallites 10-50 ␮m in size in the temperature range 153-293 K as given in Fig. 9 from the tabulated data of Ref. 25, where Cp (293 K) ⳱ 38.65 J/ mol-formula K is reported.
Heat capacity printed: Cp,298	45.14 J/mol (basis unstated)/K	298.15	InN	unspecified	[1] Onderka 2002 cites Marina 1971	Table AI, p. 18, row 37 report
Heat capacity printed: Cp,298	41.52 J/mol (basis unstated)/K	298.15	InN	model	[1] Onderka 2002 cites Landolt-Boernstein 1982	Table AI, p. 18, row 38 report
Heat capacity printed: Cp,298	39.8 J/mol (basis unstated)/K	298.15	InN	unspecified	[1] Onderka 2002 cites Krukowski 1998	Table AI, p. 18, row 39 report
Heat capacity printed: Cp,298	39.1 J/mol (basis unstated)/K	298.15	InN	model	[1] Onderka 2002	Table AI, p. 18, row 34 report

Sources

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

B. Onderka, J. Unland, R. Schmid-Fetzer, Thermodynamics and phase stability in the In–N system, J. Mater. Res. 17, 3065-3083 (2002). doi:10.1557/jmr.2002.0445

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}
}