Al–Au system

118 accepted literature values from 2 paper(s) (experimental 34, model 29, unspecified 55); 3 calculated phase diagram(s). 9 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 (15) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	34
model	29
unspecified	55

Accepted values by property group
Property group	Values
invariant reaction	32
phase transition	10
formation	6
mixing / partial	9
crystal structure	61

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
AlAu-04Li.tdb	M. Li, C. Li, F. Wang, D. Luo, W. Zhang, J. Alloys Compd., 385, 199-206(2004). doi:10.1016/j.jallcom.2004.05.007	`14d6262f7039c9ec4f44a94279e7621f8a374d8f398f34748f10e1d409596657`	viewer · TDB · JSON
AlAu-04Liu.tdb	H.S. Liu, J. Wang, Y. Du, Z.P. Jin, Z. Metallkd., 95, 45-49(2004). doi:10.3139/ijmr-2004-0009	`d847563ac9e3bbad12faa67daf8599031fa1a17493e48066cef0e58150bf135d`	viewer · TDB · JSON
AlAu-87Mur-LB.tdb	J.L. Murray, H. Okamoto, T.B. Massalski, Bull. Alloy Phase Diag., 8, 20-30(1987). doi:10.1007/BF02868887	`0ec479200ccaf6a58153cc6c8a78a7cded6591b1a4f7ff0a0f9042c49c289fc1`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
AlAu-04Li.tdb	923.07	FCC_A1 (x(Au) 0.00106) + LIQUID (x(Au) 0.01709) + AL2AU_C1 (x(Au) 0.32909)
AlAu-04Li.tdb	896.6	AL2AU_C1 (x(Au) 0.33807) + ALAU (x(Au) 0.5) + LIQUID (x(Au) 0.58168)
AlAu-04Li.tdb	852.36	ALAU (x(Au) 0.5) + LIQUID (x(Au) 0.60647) + ALAU2_C11B (x(Au) 0.65553)
AlAu-04Li.tdb	847.6	ALAU2_C11B (x(Au) 0.66904) + LIQUID (x(Au) 0.72195) + AL3AU8 (x(Au) 0.72727)
AlAu-04Li.tdb	833.5	ALAU2_C11B (x(Au) 0.6646) + ALAU2_BETA (x(Au) 0.6654) + ALAU2_ALPHA (x(Au) 0.6658)
AlAu-04Li.tdb	831.27	ALAU2_ALPHA (x(Au) 0.66663) + ALAU2_C11B (x(Au) 0.6685) + AL3AU8 (x(Au) 0.72727)
AlAu-04Li.tdb	819.53	ALAU (x(Au) 0.5) + ALAU2_C11B (x(Au) 0.65585) + ALAU2_BETA (x(Au) 0.65976)
AlAu-04Li.tdb	818	LIQUID (x(Au) 0.79064) + ALAU4_A2 (x(Au) 0.80657) + FCC_A1 (x(Au) 0.84861)
AlAu-04Li.tdb	811.87	AL3AU8 (x(Au) 0.72727) + LIQUID (x(Au) 0.77911) + ALAU4_A2 (x(Au) 0.80364)
AlAu-04Li.tdb	811.87	AL3AU8 (x(Au) 0.72727) + LIQUID (x(Au) 0.77915) + ALAU4_A2 (x(Au) 0.80365)
AlAu-04Li.tdb	783.58	AL3AU8 (x(Au) 0.72727) + ALAU4_ALPHA (x(Au) 0.8) + ALAU4_A2 (x(Au) 0.80246)
AlAu-04Li.tdb	783.58	AL3AU8 (x(Au) 0.72727) + ALAU4_ALPHA (x(Au) 0.8) + ALAU4_A2 (x(Au) 0.80244)
AlAu-04Li.tdb	783.58	AL3AU8 (x(Au) 0.72727) + ALAU4_ALPHA (x(Au) 0.8) + ALAU4_A2 (x(Au) 0.80245)
AlAu-04Li.tdb	772.56	ALAU4_ALPHA (x(Au) 0.8) + ALAU4_A2 (x(Au) 0.80639) + FCC_A1 (x(Au) 0.85807)
AlAu-04Li.tdb	772.56	ALAU4_ALPHA (x(Au) 0.8) + ALAU4_A2 (x(Au) 0.80638) + FCC_A1 (x(Au) 0.85813)
AlAu-04Liu.tdb	926.54	FCC_A1 (x(Au) 0.00208) + LIQUID (x(Au) 0.01331) + AL2AU_C1 (x(Au) 0.33333)
AlAu-04Liu.tdb	926.54	FCC_A1 (x(Au) 0.00208) + LIQUID (x(Au) 0.01331) + AL2AU_C1 (x(Au) 0.33333)
AlAu-04Liu.tdb	895.18	AL2AU_C1 (x(Au) 0.33333) + ALAU (x(Au) 0.5) + LIQUID (x(Au) 0.56118)
AlAu-04Liu.tdb	895.17	AL2AU_C1 (x(Au) 0.33333) + ALAU (x(Au) 0.5) + LIQUID (x(Au) 0.56142)
AlAu-04Liu.tdb	840.39	ALAU2 (x(Au) 0.66667) + AL3AU8 (x(Au) 0.72727) + LIQUID (x(Au) 0.73501)
AlAu-04Liu.tdb	840.39	ALAU2 (x(Au) 0.66667) + AL3AU8 (x(Au) 0.72727) + LIQUID (x(Au) 0.73503)
AlAu-04Liu.tdb	840.39	ALAU2 (x(Au) 0.66667) + AL3AU8 (x(Au) 0.72727) + LIQUID (x(Au) 0.73481)
AlAu-04Liu.tdb	838.87	ALAU (x(Au) 0.5) + LIQUID (x(Au) 0.59708) + ALAU2 (x(Au) 0.66667)
AlAu-04Liu.tdb	838.87	ALAU (x(Au) 0.5) + LIQUID (x(Au) 0.59723) + ALAU2 (x(Au) 0.66667)
AlAu-04Liu.tdb	815.16	LIQUID (x(Au) 0.79473) + BCC_A2 (x(Au) 0.82479) + FCC_A1 (x(Au) 0.87547)
AlAu-04Liu.tdb	807.14	AL3AU8 (x(Au) 0.72727) + LIQUID (x(Au) 0.78435) + BCC_A2 (x(Au) 0.81402)
AlAu-04Liu.tdb	807.14	AL3AU8 (x(Au) 0.72727) + LIQUID (x(Au) 0.78463) + BCC_A2 (x(Au) 0.8143)
AlAu-04Liu.tdb	786.44	AL3AU8 (x(Au) 0.72727) + ALAU4 (x(Au) 0.8) + BCC_A2 (x(Au) 0.81574)
AlAu-04Liu.tdb	786.44	AL3AU8 (x(Au) 0.72727) + ALAU4 (x(Au) 0.8) + BCC_A2 (x(Au) 0.81567)
AlAu-04Liu.tdb	786.44	AL3AU8 (x(Au) 0.72727) + ALAU4 (x(Au) 0.8) + BCC_A2 (x(Au) 0.81575)
AlAu-04Liu.tdb	759.39	ALAU4 (x(Au) 0.8) + BCC_A2 (x(Au) 0.83274) + FCC_A1 (x(Au) 0.88749)
AlAu-04Liu.tdb	759.39	ALAU4 (x(Au) 0.8) + BCC_A2 (x(Au) 0.83278) + FCC_A1 (x(Au) 0.88755)
AlAu-87Mur-LB.tdb	921.19	FCC_A1 (x(Au) 0.00269) + LIQUID (x(Au) 0.02308) + AL2AU_C1 (x(Au) 0.33333)
AlAu-87Mur-LB.tdb	921.19	FCC_A1 (x(Au) 0.00267) + LIQUID (x(Au) 0.02292) + AL2AU_C1 (x(Au) 0.33333)
AlAu-87Mur-LB.tdb	860.82	ALAU2 (x(Au) 0.66667) + AL2AU5 (x(Au) 0.71429) + LIQUID (x(Au) 0.72019)
AlAu-87Mur-LB.tdb	860.82	ALAU2 (x(Au) 0.66667) + AL2AU5 (x(Au) 0.71429) + LIQUID (x(Au) 0.72033)
AlAu-87Mur-LB.tdb	860.82	ALAU2 (x(Au) 0.66667) + AL2AU5 (x(Au) 0.71429) + LIQUID (x(Au) 0.72009)
AlAu-87Mur-LB.tdb	853.9	ALAU (x(Au) 0.5) + LIQUID (x(Au) 0.60222) + ALAU2 (x(Au) 0.66667)
AlAu-87Mur-LB.tdb	824.2	ALAU4 (x(Au) 0.8) + LIQUID (x(Au) 0.80519) + FCC_A1 (x(Au) 0.84558)
AlAu-87Mur-LB.tdb	824.2	ALAU4 (x(Au) 0.8) + LIQUID (x(Au) 0.80521) + FCC_A1 (x(Au) 0.84561)
AlAu-87Mur-LB.tdb	810.37	AL2AU5 (x(Au) 0.71429) + LIQUID (x(Au) 0.78047) + ALAU4 (x(Au) 0.8)
AlAu-87Mur-LB.tdb	810.37	AL2AU5 (x(Au) 0.71429) + LIQUID (x(Au) 0.7804) + ALAU4 (x(Au) 0.8)
AlAu-87Mur-LB.tdb	751.51	AL2AU5 (x(Au) 0.71429) + ALAU4 (x(Au) 0.8) + FCC_A1 (x(Au) 0.84382)
AlAu-87Mur-LB.tdb	751.51	AL2AU5 (x(Au) 0.71429) + ALAU4 (x(Au) 0.8) + FCC_A1 (x(Au) 0.84387)
AlAu-87Mur-LB.tdb	751.51	AL2AU5 (x(Au) 0.71429) + ALAU4 (x(Au) 0.8) + FCC_A1 (x(Au) 0.84387)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull AlAu-04Liu · CALPHAD hull AlAu-87Mur-LB

Invariant reactions (literature)

Invariant reactions reported in the literature for the Al–Au system (32)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
923.15	eutectic: L -> (Al) + Al2Au	L: Au 0.011; (Al): Au 6.000e-4; Al2Au: Au 0.3292	model	[1] Murray 1987	Table 1, p. 2, row 1 report
923	eutectic: L -> (Al) + (Al2Au)	L: Au 0.011; (Al): Au 6.000e-4; (Al2Au): Au 0.3292	experimental	[2] Li 2004 cites Heycock 1900 doi	Table 1, p. 2, row 1 report
923	eutectic: L -> (Al) + (Al2Au)	L: Au 0.0171; (Al): Au 0.001; (Al2Au): Au 0.3291	model	[2] Li 2004	Table 1, p. 2, row 2 report
898.15	peritectic: L + AlAu2 -> AlAu	L: Au 0.565; AlAu2: Au 0.3392; AlAu: Au 0.5	model	[1] Murray 1987	Table 1, p. 2, row 2 report
898	L + (Al2Au) -> AlAu	L: Au 0.565; (Al2Au): Au 0.3392; AlAu: Au 0.5	experimental	[2] Li 2004 cites Heycock 1900 doi	Table 1, p. 2, row 3 report
897	L + (Al2Au) -> AlAu	L: Au 0.5817; (Al2Au): Au 0.3381; AlAu: Au 0.5	model	[2] Li 2004	Table 1, p. 2, row 4 report
852	eutectic: L -> AlAu + γ(AlAu2)	L: Au 0.6065; AlAu: Au 0.5; γ(AlAu2): Au 0.6555	model	[2] Li 2004	Table 1, p. 2, row 6 report
848.15	peritectic: L + γAlAu2 -> Al2Au5	L: Au 0.72; γAlAu2: Au 0.667; Al2Au5: Au 0.7143	model	[1] Murray 1987	Table 1, p. 2, row 7 report
848	eutectic: L -> γ(AlAu2) + Al3Au8	L: Au 0.72; γ(AlAu2): Au 0.667; Al3Au8: Au 0.727	experimental	[2] Li 2004 cites Heycock 1900 doi	Table 1, p. 2, row 9 report
848	eutectic: L -> γ(AlAu2) + Al3Au8	L: Au 0.722; γ(AlAu2): Au 0.669; Al3Au8: Au 0.727	model	[2] Li 2004	Table 1, p. 2, row 10 report
844	eutectic: L -> AlAu + γ(AlAu2)	L: Au 0.6; AlAu: Au 0.5; γ(AlAu2): Au 0.65	experimental	[2] Li 2004 cites Heycock 1900 doi	Table 1, p. 2, row 5 report
842.15	eutectic: L -> AlAu + γAlAu2	L: Au 0.6; AlAu: Au 0.5; γAlAu2: Au 0.65	model	[1] Murray 1987	Table 1, p. 2, row 3 report
833.15	eutectoid: γAlAu2 -> βAlAu2 + AlAu5	γAlAu2: Au 0.668; βAlAu2: Au 0.667; AlAu5: Au 0.7143	model	[1] Murray 1987	Table 1, p. 2, row 6 report
833.15	eutectoid: γAlAu2 -> αAlAu2 + βAlAu2	γAlAu2: Au 0.662; αAlAu2: Au 0.663; βAlAu2: Au 0.661	model	[1] Murray 1987	Table 1, p. 2, row 5 report
833	γ(AlAu2) + α(AlAu2) -> β(AlAu2)	γ(AlAu2): Au 0.663; α(AlAu2): Au 0.6655; β(AlAu2): Au 0.665	model	[2] Li 2004	Table 1, p. 2, row 16 report
833	γ(AlAu2) -> α(AlAu2) + Al3Au8	γ(AlAu2): Au 0.668; α(AlAu2): Au 0.667; Al3Au8: Au 0.727	experimental	[2] Li 2004 cites Puselj 1972	Table 1, p. 2, row 17 report
833	γ(AlAu2) + α(AlAu2) -> β(AlAu2)	γ(AlAu2): Au 0.662; α(AlAu2): Au 0.663; β(AlAu2): Au 0.661	experimental	[2] Li 2004 cites Puselj 1972	Table 1, p. 2, row 15 report
832	γ(AlAu2) -> α(AlAu2) + Al3Au8	γ(AlAu2): Au 0.668; α(AlAu2): Au 0.667; Al3Au8: Au 0.727	model	[2] Li 2004	Table 1, p. 2, row 18 report
820	γ(AlAu2) -> AlAu + β(AlAu2)	γ(AlAu2): Au 0.656; AlAu: Au 0.5; β(AlAu2): Au 0.659	model	[2] Li 2004	Table 1, p. 2, row 14 report
818.15	eutectoid: γAlAu2 -> AlAu + βAlAu2	γAlAu2: Au 0.65; AlAu: Au 0.5; βAlAu2: Au 0.651	model	[1] Murray 1987	Table 1, p. 2, row 4 report
818.15	peritectic: L + (Au) -> β	L: Au 0.8; (Au): Au 0.84; β: Au 0.812	model	[1] Murray 1987	Table 1, p. 2, row 12 report
818	L + (Au) -> β(AlAu4)	L: Au 0.8; (Au): Au 0.84; β(AlAu4): Au 0.812	experimental	[2] Li 2004 cites Heycock 1900 doi	Table 1, p. 2, row 11 report
818	γ(AlAu2) -> AlAu + β(AlAu2)	γ(AlAu2): Au 0.65; AlAu: Au 0.5; β(AlAu2): Au 0.651	experimental	[2] Li 2004 cites Puselj 1972	Table 1, p. 2, row 13 report
812	eutectic: L -> β(AlAu4) + Al3Au8	L: Au 0.779; β(AlAu4): Au 0.727; Al3Au8: Au 0.804	model	[2] Li 2004	Table 1, p. 2, row 8 report
800	eutectic: L -> β(AlAu4) + Al3Au8	L: Au 0.785; β(AlAu4): Au 0.727; Al3Au8: Au 0.8	experimental	[2] Li 2004 cites Heycock 1900 doi	Table 1, p. 2, row 7 report
798.15	eutectic: L -> Al2Au5 + β	L: Au 0.785; Al2Au5: Au 0.7143; β: Au 0.8	model	[1] Murray 1987	Table 1, p. 2, row 8 report
784	Al3Au8 + β(AlAu4) -> AlAu4	Al3Au8: Au 0.727; β(AlAu4): Au 0.8025; AlAu4: Au 0.8	model	[2] Li 2004	Table 1, p. 2, row 20 report
783.15	peritectoid: Al2Au5 + β -> AlAu4	Al2Au5: Au 0.7143; β: Au 0.802; AlAu4: Au 0.8	model	[1] Murray 1987	Table 1, p. 2, row 9 report
783	Al3Au8 + β(AlAu4) -> AlAu4	Al3Au8: Au 0.727; β(AlAu4): Au 0.802; AlAu4: Au 0.8	experimental	[2] Li 2004 cites Murry 1987 doi	Table 1, p. 2, row 19 report
773.15	eutectoid: β -> AlAu4 + (Au)	β: Au 0.811; AlAu4: Au 0.8; (Au): Au 0.862	model	[1] Murray 1987	Table 1, p. 2, row 10 report
773	β(AlAu4) -> AlAu4 + (Au)	β(AlAu4): Au 0.806; AlAu4: Au 0.8; (Au): Au 0.858	model	[2] Li 2004	Table 1, p. 2, row 22 report
773	β(AlAu4) -> AlAu4 + (Au)	β(AlAu4): Au 0.811; AlAu4: Au 0.8; (Au): Au 0.862	experimental	[2] Li 2004 cites Murry 1987 doi	Table 1, p. 2, row 21 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, Al–Au system (6)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
Al2Au	Al2Au	-41.422 kJ/mol-atom	298.15	experimental	-40.818 (mp-aaaaadxv)	-40.918 (oqmd-10384)	[1] Murray 1987 cites Ferro 1966	Table 4, p. 8, row 1 report
Al2Au	Al2Au	-39.162 kJ/mol-atom	298.15	experimental	-40.818 (mp-aaaaadxv)	-40.918 (oqmd-10384)	[1] Murray 1987 cites Predel 1970 doi	Table 4, p. 8, row 2 report
AlAu	AlAu	-36.4 kJ/mol-atom	298.15	experimental	-38.163 (mp-aaaaacbv)	-38.17 (oqmd-17555)	[1] Murray 1987 cites Ferro 1966	Table 4, p. 8, row 4 report
AlAu	AlAu	-32.551 kJ/mol-atom	298.15	experimental	-38.163 (mp-aaaaacbv)	-38.17 (oqmd-17555)	[1] Murray 1987 cites Predel 1970 doi	Table 4, p. 8, row 3 report
AlAu2	AlAu2	-35.355 kJ/mol-atom	298.15	experimental	-30.551 (mp-aaabgkoc)	-31.366 (oqmd-1783805)	[1] Murray 1987 cites Ferro 1966	Table 4, p. 8, row 5 report
AlAu2	AlAu2	-27.614 kJ/mol-atom	298.15	experimental	-30.551 (mp-aaabgkoc)	-31.366 (oqmd-1783805)	[1] Murray 1987 cites Predel 1970 doi	Table 4, p. 8, row 6 report

Other properties

Phase transition (10)

Phase transition, Al–Au system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Phase transition	838.15 K	838.15	congruent transformation: γAlAu2 -> αAlAu2 γAlAu2: Au 0.665; αAlAu2: Au 0.666667	model	[1] Murray 1987	Table 1, p. 2, row 14 report
Phase transition	848.15 K	848.15	congruent transformation: γAlAu2 -> βAlAu2 γAlAu2: Au 0.656; βAlAu2: Au 0.666667	model	[1] Murray 1987	Table 1, p. 2, row 15 report
Phase transition	896 K	896	L -> γ(AlAu2) L: Au 0.666; γ(AlAu2): Au 0.666	model	[2] Li 2004	Table 1, p. 2, row 24 report
Phase transition	897 K	897	L -> γ(AlAu2) L: Au 0.66; γ(AlAu2): Au 0.66	experimental	[2] Li 2004 cites Heycock 1900 doi	Table 1, p. 2, row 23 report
Phase transition	897.15 K	897.15	congruent melting: L -> γAlAu2 L: Au 0.66; γAlAu2: Au 0.666667	model	[1] Murray 1987	Table 1, p. 2, row 13 report
Phase transition	933.6 K	933.6	congruent melting: L -> (Al) (Al): Au 0	model	[1] Murray 1987	Table 1, p. 2, row 17 report
Phase transition	1333 K	1333	L -> (Al2Au) L: Au 0.3332; (Al2Au): Au 0.3332	model	[2] Li 2004	Table 1, p. 2, row 26 report
Phase transition	1333 K	1333	L -> (Al2Au) L: Au 0.333; (Al2Au): Au 0.333	experimental	[2] Li 2004 cites Heycock 1900 doi	Table 1, p. 2, row 25 report
Phase transition	1333.15 K	1333.15	congruent melting: L -> Al2Au Al2Au: Au 0.333	model	[1] Murray 1987	Table 1, p. 2, row 16 report
Phase transition	1337.58 K	1337.58	congruent melting: L -> (Au) (Au): Au 1	model	[1] Murray 1987	Table 1, p. 2, row 18 report

Mixing / partial (9)

Mixing / partial, Al–Au system
Property	Value	Phases / composition	Class	Source	Location
Enthalpy of mixing printed: Δmix H(L)	-17.794 kJ/mol (basis unstated)	L	experimental	[1] Murray 1987 cites Itagaki 1971 doi	Table 4, p. 8, row 14 report
Enthalpy of mixing printed: Δmix H(L)	-8.473 kJ/mol (basis unstated)	L	experimental	[1] Murray 1987 cites Itagaki 1971 doi	Table 4, p. 8, row 19 report
Enthalpy of mixing printed: Δmix H(L)	-5.854 kJ/mol (basis unstated)	L	experimental	[1] Murray 1987 cites Itagaki 1971 doi	Table 4, p. 8, row 11 report
Enthalpy of mixing printed: Δmix H(L)	-14.796 kJ/mol (basis unstated)	L	experimental	[1] Murray 1987 cites Itagaki 1971 doi	Table 4, p. 8, row 18 report
Enthalpy of mixing printed: Δmix H(L)	-18.676 kJ/mol (basis unstated)	L	experimental	[1] Murray 1987 cites Itagaki 1971 doi	Table 4, p. 8, row 17 report
Enthalpy of mixing printed: Δmix H(L)	-10.952 kJ/mol (basis unstated)	L	experimental	[1] Murray 1987 cites Itagaki 1971 doi	Table 4, p. 8, row 12 report
Enthalpy of mixing printed: Δmix H(L)	-20.209 kJ/mol (basis unstated)	L	experimental	[1] Murray 1987 cites Itagaki 1971 doi	Table 4, p. 8, row 16 report
Enthalpy of mixing printed: Δmix H(L)	-19.186 kJ/mol (basis unstated)	L	experimental	[1] Murray 1987 cites Itagaki 1971 doi	Table 4, p. 8, row 15 report
Enthalpy of mixing printed: Δmix H(L)	-15.013 kJ/mol (basis unstated)	L	experimental	[1] Murray 1987 cites Itagaki 1971 doi	Table 4, p. 8, row 13 report

Crystal structure (61)

Crystal structure, Al–Au system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Lattice a	3.236 Å		β β: Al 0.2, Au 0.8	unspecified	[1] Murray 1987	Table 3, p. 6, row 27 report
Lattice a	5.988 Å	4.2	Al2Au Al2Au: Al 0.667, Au 0.333	experimental	[1] Murray 1987 cites ref. 65Jan	Table 3, p. 6, row 43 report
Lattice a	5.988 Å	4.2	Al2Au alloy: Au 0.333333	unspecified	[1] Murray 1987	Table 3, p. 6, row 6 report
Lattice a	5.9864 Å	40	Al2Au alloy: Au 0.333333	unspecified	[1] Murray 1987	Table 3, p. 6, row 15 report
Lattice a	5.9864 Å	40	Al2Au Al2Au: Al 0.6667, Au 0.3333	experimental	[1] Murray 1987 cites ref. 72Str	Table 3, p. 6, row 47 report
Lattice a	5.9867 Å	60	Al2Au alloy: Au 0.333333	unspecified	[1] Murray 1987	Table 3, p. 6, row 14 report
Lattice a	5.9867 Å	60	Al2Au Al2Au: Al 0.6667, Au 0.3333	experimental	[1] Murray 1987 cites ref. 72Str	Table 3, p. 6, row 46 report
Lattice a	5.9871 Å	80	Al2Au alloy: Au 0.333333	unspecified	[1] Murray 1987	Table 3, p. 6, row 13 report
Lattice a	5.9876 Å	100	Al2Au alloy: Au 0.333333	unspecified	[1] Murray 1987	Table 3, p. 6, row 12 report
Lattice a	5.9891 Å	140	Al2Au alloy: Au 0.333333	unspecified	[1] Murray 1987	Table 3, p. 6, row 11 report
Lattice a	5.9891 Å	140	Al2Au Al2Au: Al 0.6667, Au 0.3333	experimental	[1] Murray 1987 cites ref. 72Str	Table 3, p. 6, row 45 report
Lattice a	5.991 Å	180	Al2Au alloy: Au 0.333333	unspecified	[1] Murray 1987	Table 3, p. 6, row 10 report
Lattice a	5.991 Å	180	Al2Au Al2Au: Al 0.6667, Au 0.3333	experimental	[1] Murray 1987 cites ref. 72Str	Table 3, p. 6, row 44 report
Lattice a	4.0737 Å	298.15	(Au) (Au): Al 0.036, Au 0.964	unspecified	[1] Murray 1987	Table 3, p. 6, row 33 report
Lattice a	4.0724 Å	298.15	(Au) (Au): Al 0.0457, Au 0.9543	unspecified	[1] Murray 1987	Table 3, p. 6, row 38 report
Lattice a	4.0624 Å	298.15	(Au) (Au): Al 0.1156, Au 0.8844	unspecified	[1] Murray 1987	Table 3, p. 6, row 35 report
Lattice a	4.0692 Å	298.15	(Au) (Au): Al 0.069, Au 0.931	unspecified	[1] Murray 1987	Table 3, p. 6, row 32 report
Lattice a	4.0762 Å	298.15	(Au) (Au): Al 0.0174, Au 0.9826	unspecified	[1] Murray 1987	Table 3, p. 6, row 39 report
Lattice a	4.0697 Å	298.15	(Au) (Au): Al 0.0678, Au 0.9322	unspecified	[1] Murray 1987	Table 3, p. 6, row 37 report
Lattice a	4.066 Å	298.15	(Au) (Au): Al 0.0911, Au 0.9089	unspecified	[1] Murray 1987	Table 3, p. 6, row 36 report
Lattice a	4.06 Å	298.15	(Au) (Au): Al 0.131, Au 0.869	unspecified	[1] Murray 1987	Table 3, p. 6, row 30 report
Lattice a	4.0589 Å	298.15	(Au) (Au): Al 0.1402, Au 0.8598	unspecified	[1] Murray 1987	Table 3, p. 6, row 34 report
Lattice a	4.0644 Å	298.15	(Au) (Au): Al 0.101, Au 0.899	unspecified	[1] Murray 1987	Table 3, p. 6, row 31 report
Lattice a	5.98 Å	298.15	Al2Au Al2Au: Al 0.67, Au 0.33	unspecified	[1] Murray 1987	Table 3, p. 6, row 7 report
Lattice a	5.99695 Å	298.15	Al2Au Al2Au: Al 0.6608, Au 0.3392	unspecified	[1] Murray 1987	Table 3, p. 6, row 4 report
Lattice a	5.99797 Å	298.15	Al2Au Al2Au: Al 0.6708, Au 0.3292	unspecified	[1] Murray 1987	Table 3, p. 6, row 2 report
Lattice a	6 Å	298.15	Al2Au Al2Au: Al 0.67, Au 0.33	unspecified	[1] Murray 1987	Table 3, p. 6, row 8 report
Lattice a	6 Å	298.15	Al2Au Al2Au: Al 0.667, Au 0.333	unspecified	[1] Murray 1987	Table 3, p. 6, row 5 report
Lattice a	5.9973 Å	298.15	Al2Au Al2Au: Al 0.6667, Au 0.3333	unspecified	[1] Murray 1987	Table 3, p. 6, row 9 report
Lattice a	7.719 Å	298.15	Al2Au5 Al2Au5: Al 0.2857, Au 0.7143	unspecified	[1] Murray 1987	Table 3, p. 6, row 25 report
Lattice a	14.68 Å	298.15	Al2Au5 Al2Au5: Al 0.2857, Au 0.7143	unspecified	[1] Murray 1987	Table 3, p. 6, row 24 report
Lattice a	8.75 Å	298.15	Al2Au5 Al2Au5: Al 0.2857, Au 0.7143	unspecified	[1] Murray 1987	Table 3, p. 6, row 26 report
Lattice a	6.415 Å	298.15	AlAu AlAu: Al 0.5, Au 0.5	unspecified	[1] Murray 1987	Table 3, p. 6, row 17 report
Lattice a	3.14 Å	298.15	AlAu AlAu: Al 0.5, Au 0.5	unspecified	[1] Murray 1987	Table 3, p. 6, row 18 report
Lattice a	6.405 Å	298.15	AlAu AlAu: Al 0.5, Au 0.5	unspecified	[1] Murray 1987	Table 3, p. 6, row 16 report
Lattice a	6.916 Å	298.15	AlAu4 AlAu4: Al 0.2, Au 0.8	unspecified	[1] Murray 1987	Table 3, p. 6, row 28 report
Lattice a	6.9208 Å	298.15	AlAu4 AlAu4: Al 0.2, Au 0.8	unspecified	[1] Murray 1987	Table 3, p. 6, row 29 report
Lattice a	6.715 Å	298.15	αAlAu2 αAlAu2: Al 0.333, Au 0.667	unspecified	[1] Murray 1987	Table 3, p. 6, row 23 report
Lattice a	3.36 Å	298.15	αAlAu2 αAlAu2: Al 0.333, Au 0.667	unspecified	[1] Murray 1987	Table 3, p. 6, row 21 report
Lattice a	6.755 Å	298.15	αAlAu2 αAlAu2: Al 0.333, Au 0.667	unspecified	[1] Murray 1987	Table 3, p. 6, row 22 report
Lattice a	3.236 Å	298.15	β β: Al 0.198, Au 0.802	experimental	[1] Murray 1987 cites ref. 51Kuz	Table 3, p. 6, row 48 report
Lattice a	16.772 Å	298.15	βAlAu2 βAlAu2: Al 0.339, Au 0.661	unspecified	[1] Murray 1987	Table 3, p. 6, row 20 report
Lattice a	3.349 Å	298.15	γAlAu2 γAlAu2: Al 0.332, Au 0.668	unspecified	[1] Murray 1987	Table 3, p. 6, row 19 report
Lattice b	3.331 Å	298.15	AlAu AlAu: Al 0.5, Au 0.5	unspecified	[1] Murray 1987	Table 3, p. 6, row 17 report
Lattice b	3.333 Å	298.15	AlAu AlAu: Al 0.5, Au 0.5	unspecified	[1] Murray 1987	Table 3, p. 6, row 16 report
Lattice b	8.815 Å	298.15	αAlAu2 αAlAu2: Al 0.333, Au 0.667	unspecified	[1] Murray 1987	Table 3, p. 6, row 23 report
Lattice b	8.84 Å	298.15	αAlAu2 αAlAu2: Al 0.333, Au 0.667	unspecified	[1] Murray 1987	Table 3, p. 6, row 21 report
Lattice b	8.871 Å	298.15	αAlAu2 αAlAu2: Al 0.333, Au 0.667	unspecified	[1] Murray 1987	Table 3, p. 6, row 22 report
Lattice b	3.219 Å	298.15	βAlAu2 βAlAu2: Al 0.339, Au 0.661	unspecified	[1] Murray 1987	Table 3, p. 6, row 20 report
Lattice c	41.96 Å	298.15	Al2Au5 Al2Au5: Al 0.2857, Au 0.7143	unspecified	[1] Murray 1987	Table 3, p. 6, row 25 report
Lattice c	42.3 Å	298.15	Al2Au5 Al2Au5: Al 0.2857, Au 0.7143	unspecified	[1] Murray 1987	Table 3, p. 6, row 26 report
Lattice c	6.339 Å	298.15	AlAu AlAu: Al 0.5, Au 0.5	unspecified	[1] Murray 1987	Table 3, p. 6, row 17 report
Lattice c	6.327 Å	298.15	AlAu AlAu: Al 0.5, Au 0.5	unspecified	[1] Murray 1987	Table 3, p. 6, row 16 report
Lattice c	3.219 Å	298.15	αAlAu2 αAlAu2: Al 0.333, Au 0.667	unspecified	[1] Murray 1987	Table 3, p. 6, row 23 report
Lattice c	3.21 Å	298.15	αAlAu2 αAlAu2: Al 0.333, Au 0.667	unspecified	[1] Murray 1987	Table 3, p. 6, row 21 report
Lattice c	3.236 Å	298.15	αAlAu2 αAlAu2: Al 0.333, Au 0.667	unspecified	[1] Murray 1987	Table 3, p. 6, row 22 report
Lattice c	8.801 Å	298.15	βAlAu2 βAlAu2: Al 0.339, Au 0.661	unspecified	[1] Murray 1987	Table 3, p. 6, row 20 report
Lattice c	8.893 Å	298.15	γAlAu2 γAlAu2: Al 0.332, Au 0.668	unspecified	[1] Murray 1987	Table 3, p. 6, row 19 report
lattice alpha	30.5 deg	298.15	Al2Au5 Al2Au5: Al 0.2857, Au 0.7143	unspecified	[1] Murray 1987	Table 3, p. 6, row 24 report
lattice beta	93.04 deg	298.15	AlAu AlAu: Al 0.5, Au 0.5	unspecified	[1] Murray 1987	Table 3, p. 6, row 17 report
lattice beta	92.99 deg	298.15	AlAu AlAu: Al 0.5, Au 0.5	unspecified	[1] Murray 1987	Table 3, p. 6, row 16 report

Sources

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

J. L. Murray, H. Okamoto, T. B. Massalski, The Al−Au (Aluminum-gold) system, Bulletin of Alloy Phase Diagrams 8, 20-30 (1987). doi:10.1007/bf02868887
Mei Li, Changrong Li, Fuming Wang, Degui Luo, Weijing Zhang, Thermodynamic assessment of the Al–Au system, Journal of Alloys and Compounds 385, 199-206 (2004). doi:10.1016/j.jallcom.2004.05.007

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}
}