AlLi: enthalpy of formation

18 accepted literature formation-enthalpy value(s) (experimental 1, model 6, DFT 11); experimental median -20.7 kJ/mol-atom (n = 1); Materials Project -17.139 kJ/mol-atom (mp-aaaaabpb); OQMD -17.958 kJ/mol-atom (oqmd-2012).

Systems: Al–Li

Literature values

Enthalpy of formation of AlLi reported in the literature (18)
Value	Phase as printed	T (K)	Class	Method	System	Source	Location
-20.7 kJ/mol-atom	AlLi (B32)	298.15	experimental		Al–Li	[1] Long 2020 cites Ga 2013	Table 4, p. 7, row 131 report
-20 kJ/mol-atom	AlLi (B32)		model	CALPHAD	Al–Li	[1] Long 2020 cites Hallstedt 2007 doi	Table 4, p. 7, row 132 report
-20 kJ/mol-atom	AlLi (B32)		model		Al–Li	[1] Long 2020	Table 4, p. 7, row 125 report
-14 kJ/mol-atom	AlLi (B2)		model	CALPHAD	Al–Li	[1] Long 2020 cites Hallstedt 2007 doi	Table 4, p. 7, row 137 report
-14 kJ/mol-atom	AlLi (B2)		model		Al–Li	[1] Long 2020	Table 4, p. 7, row 133 report
-13.1 kJ/mol-atom	AlLi(L10)		model		Al–Li	[1] Long 2020	Table 4, p. 7, row 138 report
-13.1 kJ/mol-atom	AlLi(L10)		model	CALPHAD	Al–Li	[1] Long 2020 cites Hallstedt 2007 doi	Table 4, p. 7, row 142 report
-23.8 kJ/mol-atom	AlLi (B32)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Arya 1994 doi	Table 4, p. 7, row 129 report
-21.9 kJ/mol-atom	AlLi (B32)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Guo 1990 doi	Table 4, p. 7, row 128 report
-21.8 kJ/mol-atom	AlLi (B32)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Yao 1971 doi	Table 4, p. 7, row 126 report
-20.7 kJ/mol-atom	AlLi (B32)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Sluiter 1996 doi	Table 4, p. 7, row 130 report
-20.3 kJ/mol-atom	AlLi (B32)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Christensen 1985 doi	Table 4, p. 7, row 127 report
-13.8 kJ/mol-atom	AlLi (B2)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Sluiter 1996 doi	Table 4, p. 7, row 136 report
-13.7 kJ/mol-atom	AlLi (B2)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Guo 1990 doi	Table 4, p. 7, row 135 report
-13.7 kJ/mol-atom	AlLi(L10)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Guo 1990 doi	Table 4, p. 7, row 139 report
-11.9 kJ/mol-atom	AlLi(L10)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Arya 1994 doi	Table 4, p. 7, row 140 report
-9.5 kJ/mol-atom	AlLi(L10)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Sluiter 1996 doi	Table 4, p. 7, row 141 report
6.1 kJ/mol-atom	AlLi (B2)		DFT	Ab-initio	Al–Li	[1] Long 2020 cites Christensen 1985 doi	Table 4, p. 7, row 134 report

Uncertainty budget

Components kept separate, in the value's unit (literature SCHEMA.md, UNCERTAINTY_CALIBRATION.md): effective = max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter). The method floor is the robust between-study scatter of the method class in ORCHID (calibrated) or a documented prior; printed values and printed uncertainties are unchanged.

Uncertainty budget of the literature values of AlLi
Value	Unit	Reading	Method (class, basis)	Effective
-20.7	kJ/mol-atom	0.05	3.5 (unknown, calibrated)	3.5
-20	kJ/mol-atom	0.05	3.9 (model_calculated, calibrated)	3.9
-20	kJ/mol-atom	0.05	3.9 (model_calculated, calibrated)	3.9
-14	kJ/mol-atom	0.05	3.9 (model_calculated, calibrated)	3.9
-14	kJ/mol-atom	0.05	3.9 (model_calculated, calibrated)	3.9
-13.1	kJ/mol-atom	0.05	3.9 (model_calculated, calibrated)	3.9
-13.1	kJ/mol-atom	0.05	3.9 (model_calculated, calibrated)	3.9
-23.8	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
-21.9	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
-21.8	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
-20.7	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
-20.3	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
-13.8	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
-13.7	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
-13.7	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
-11.9	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
-9.5	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395
6.1	kJ/mol-atom	0.05	8.395 (dft, calibrated)	8.395

DFT formation energies

Lowest-energy entries at this composition. Materials Project and OQMD use different energy references and are never averaged. 1 eV/atom = 96.485 kJ/mol-atom.

DFT formation energy of AlLi
Source	Entry	kJ/mol-atom	eV/atom	Space group	E above hull (kJ/mol-atom)	E above hull (eV/atom)	Theoretical
Materials Project	mp-aaaaabpb	-17.139	-0.177639	Fd-3m	0	0	no
OQMD	oqmd-2012	-17.958	-0.186123	Fd-3m	0	0	no
OQMD	oqmd-307710	-10.059	-0.104259	Pm-3m	7.8987	0.0819	yes
OQMD	oqmd-339252	-8.258	-0.085587	P4/mmm	9.7002	0.1005	yes

DFT sources: A. Jain et al., Commentary: The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002. doi:10.1063/1.4812323 (CC BY 4.0); J. E. Saal et al., JOM 65 (2013) 1501-1509; S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010. doi:10.1007/s11837-013-0755-4 (CC BY 4.0);

Sources

Zhaohui Long, Dongyu Cui, Hongxing Hu, Zhi Li, Fucheng Yin, Touwen Fan, Thermodynamic Modeling of the Al-Li-Zr Ternary System, J. Phase Equilib. Diffus. 41, 623-641 (2020). doi:10.1007/s11669-020-00827-z

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-Parity: DFT-vs-experiment formation-enthalpy benchmark (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23735943
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); 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); G. Kim, S. V. Meschel, P. Nash, W. Chen, Experimental formation enthalpies for intermetallic phases and other inorganic compounds, Scientific Data 4 (2017) 170162, https://doi.org/10.1038/sdata.2017.162; 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. 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_dft_benchmark_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Parity: DFT-vs-experiment formation-enthalpy benchmark}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735943},
  url       = {https://doi.org/10.5281/zenodo.23735943},
  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}
}