# Ca–Ga system

> Ca–Ga system: 97 accepted literature values (invariant reaction 40, crystal structure 39, formation 11, phase transition 7) and 3 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

HTML: https://data.orchid-project.org/systems/CA-GA.html · Markdown: https://data.orchid-project.org/systems/CA-GA.md

97 accepted literature values from 2 paper(s) (experimental 35, model 23, DFT 27, unspecified 12); 3 calculated phase diagram(s). 8 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: [JSON](https://data.orchid-project.org/literature/systems/CA-GA.json) · [CSV](https://data.orchid-project.org/systems/CA-GA.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#CA-GA) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#CA-GA/CaGa-07Wan.json) · [phases (14)](https://data.orchid-project.org/phases/pages/CA-GA.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/CA-GA.html) · [Markdown](https://data.orchid-project.org/systems/CA-GA.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 35 |
| model | 23 |
| DFT | 27 |
| unspecified | 12 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| invariant reaction | 40 |
| phase transition | 7 |
| formation | 11 |
| crystal structure | 39 |

## 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.

Table: Assessments with a calculated phase diagram

| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| CaGa-07Wan.tdb | J.F. Wang, W.X. Yuan, X. Zhao, W.L. Qian, Z.F. Cai, Calphad, 31, 120-24(2007). [doi:10.1016/j.calphad.2006.09.004](https://doi.org/10.1016/j.calphad.2006.09.004) | `c18186f6a4b0008b6ee7597af5d20701e05e69fbc2726e1de2d5a8b19b6b3dd0` | [viewer](https://orchid-project.org/phase-diagrams/#CA-GA/CaGa-07Wan.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CaGa-07Wan.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CaGa-07Wan.json) |
| CaGa-13Li-1.tdb | X. Li, K. Cheng, X. Yuan, D. Zhao, J. Xin, W. Wang, C. Zhang, Y. Du, Calphad, 43, 52-60(2013). [doi:10.1016/j.calphad.2013.09.002](https://doi.org/10.1016/j.calphad.2013.09.002) | `cc3c61d183edd3099084ca7497ac4bea23b353850e52a346e9c113d72201711f` | [viewer](https://orchid-project.org/phase-diagrams/#CA-GA/CaGa-13Li-1.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CaGa-13Li-1.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CaGa-13Li-1.json) |
| CaGa-13Li-2.tdb | X. Li, K. Cheng, X. Yuan, D. Zhao, J. Xin, W. Wang, C. Zhang, Y. Du, Calphad, 43, 52-60(2013). [doi:10.1016/j.calphad.2013.09.002](https://doi.org/10.1016/j.calphad.2013.09.002) | `3fce55b3480fdf7c8062781088c489c85075877bece0e959b70efd061238e269` | [viewer](https://orchid-project.org/phase-diagrams/#CA-GA/CaGa-13Li-2.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CaGa-13Li-2.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CaGa-13Li-2.json) |

Table: Calculated three-phase invariants (model, mole fraction of the second component)

| TDB file | T (K) | Phases at the invariant |
|---|---:|---|
| CaGa-07Wan.tdb | 1243.11 | CAGA2 (x(Ga) 0.66667) + CA25GA59 (x(Ga) 0.70238) + LIQUID (x(Ga) 0.71164) |
| CaGa-07Wan.tdb | 1243.1 | CAGA2 (x(Ga) 0.66667) + CA25GA59 (x(Ga) 0.70238) + LIQUID (x(Ga) 0.71144) |
| CaGa-07Wan.tdb | 1243.1 | CAGA2 (x(Ga) 0.66667) + CA25GA59 (x(Ga) 0.70238) + LIQUID (x(Ga) 0.71132) |
| CaGa-07Wan.tdb | 1166.61 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.78168) |
| CaGa-07Wan.tdb | 1166.61 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.78169) |
| CaGa-07Wan.tdb | 1166.61 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.78155) |
| CaGa-07Wan.tdb | 1166.61 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.7817) |
| CaGa-07Wan.tdb | 1145.57 | LIQUID (x(Ga) 0.55425) + CA3GA5 (x(Ga) 0.625) + CAGA2 (x(Ga) 0.66667) |
| CaGa-07Wan.tdb | 1145.57 | LIQUID (x(Ga) 0.55443) + CA3GA5 (x(Ga) 0.625) + CAGA2 (x(Ga) 0.66667) |
| CaGa-07Wan.tdb | 1066.11 | LIQUID (x(Ga) 0.49884) + CAGA_B33 (x(Ga) 0.5) + CA3GA5 (x(Ga) 0.625) |
| CaGa-07Wan.tdb | 1066.11 | LIQUID (x(Ga) 0.49918) + CAGA_B33 (x(Ga) 0.5) + CA3GA5 (x(Ga) 0.625) |
| CaGa-07Wan.tdb | 1066.11 | LIQUID (x(Ga) 0.49874) + CAGA_B33 (x(Ga) 0.5) + CA3GA5 (x(Ga) 0.625) |
| CaGa-07Wan.tdb | 1027.43 | CA3GA8 (x(Ga) 0.72727) + CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.83989) |
| CaGa-07Wan.tdb | 1027.42 | CA3GA8 (x(Ga) 0.72727) + CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.84002) |
| CaGa-07Wan.tdb | 1027.42 | CA3GA8 (x(Ga) 0.72727) + CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.84007) |
| CaGa-07Wan.tdb | 910.69 | LIQUID (x(Ga) 0.2989) + CA11GA7 (x(Ga) 0.38889) + CAGA_B33 (x(Ga) 0.5) |
| CaGa-07Wan.tdb | 910.69 | LIQUID (x(Ga) 0.29874) + CA11GA7 (x(Ga) 0.38889) + CAGA_B33 (x(Ga) 0.5) |
| CaGa-07Wan.tdb | 910.69 | LIQUID (x(Ga) 0.29897) + CA11GA7 (x(Ga) 0.38889) + CAGA_B33 (x(Ga) 0.5) |
| CaGa-07Wan.tdb | 876.95 | LIQUID (x(Ga) 0.2565) + CA5GA3_D8L (x(Ga) 0.375) + CA11GA7 (x(Ga) 0.38889) |
| CaGa-07Wan.tdb | 876.95 | LIQUID (x(Ga) 0.25646) + CA5GA3_D8L (x(Ga) 0.375) + CA11GA7 (x(Ga) 0.38889) |
| CaGa-07Wan.tdb | 876.95 | LIQUID (x(Ga) 0.25683) + CA5GA3_D8L (x(Ga) 0.375) + CA11GA7 (x(Ga) 0.38889) |
| CaGa-07Wan.tdb | 820.01 | LIQUID (x(Ga) 0.20089) + CA28GA11 (x(Ga) 0.28205) + CA5GA3_D8L (x(Ga) 0.375) |
| CaGa-07Wan.tdb | 820 | LIQUID (x(Ga) 0.20109) + CA28GA11 (x(Ga) 0.28205) + CA5GA3_D8L (x(Ga) 0.375) |
| CaGa-07Wan.tdb | 820 | LIQUID (x(Ga) 0.2012) + CA28GA11 (x(Ga) 0.28205) + CA5GA3_D8L (x(Ga) 0.375) |
| CaGa-07Wan.tdb | 787.02 | BCC_A2 (x(Ga) 0) + LIQUID (x(Ga) 0.16117) + CA28GA11 (x(Ga) 0.28205) |
| CaGa-07Wan.tdb | 787.02 | BCC_A2 (x(Ga) 0) + LIQUID (x(Ga) 0.16104) + CA28GA11 (x(Ga) 0.28205) |
| CaGa-07Wan.tdb | 716.03 | BCC_A2 (x(Ga) 0) + FCC_A1 (x(Ga) 0) + CA28GA11 (x(Ga) 0.28205) |
| CaGa-07Wan.tdb | 301.69 | CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.994) + ORTHORHOMBIC_A11 (x(Ga) 1) |
| CaGa-07Wan.tdb | 301.69 | CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.994) + ORTHORHOMBIC_A11 (x(Ga) 1) |
| CaGa-07Wan.tdb | 301.69 | CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.994) + ORTHORHOMBIC_A11 (x(Ga) 1) |
| CaGa-13Li-1.tdb | 1241.66 | CAGA2 (x(Ga) 0.66667) + CA25GA59 (x(Ga) 0.70238) + LIQUID (x(Ga) 0.72245) |
| CaGa-13Li-1.tdb | 1241.66 | CAGA2 (x(Ga) 0.66667) + CA25GA59 (x(Ga) 0.70238) + LIQUID (x(Ga) 0.72267) |
| CaGa-13Li-1.tdb | 1241.66 | CAGA2 (x(Ga) 0.66667) + CA25GA59 (x(Ga) 0.70238) + LIQUID (x(Ga) 0.72231) |
| CaGa-13Li-1.tdb | 1202.84 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.7747) |
| CaGa-13Li-1.tdb | 1202.84 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.7749) |
| CaGa-13Li-1.tdb | 1202.84 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.77452) |
| CaGa-13Li-1.tdb | 1202.84 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.7749) |
| CaGa-13Li-1.tdb | 1145.75 | LIQUID (x(Ga) 0.52507) + CA3GA5 (x(Ga) 0.625) + CAGA2 (x(Ga) 0.66667) |
| CaGa-13Li-1.tdb | 1145.75 | LIQUID (x(Ga) 0.52514) + CA3GA5 (x(Ga) 0.625) + CAGA2 (x(Ga) 0.66667) |
| CaGa-13Li-1.tdb | 1072.87 | LIQUID (x(Ga) 0.46811) + CAGA_B33 (x(Ga) 0.5) + CA3GA5 (x(Ga) 0.625) |
| CaGa-13Li-1.tdb | 1072.87 | LIQUID (x(Ga) 0.46839) + CAGA_B33 (x(Ga) 0.5) + CA3GA5 (x(Ga) 0.625) |
| CaGa-13Li-1.tdb | 1072.87 | LIQUID (x(Ga) 0.46806) + CAGA_B33 (x(Ga) 0.5) + CA3GA5 (x(Ga) 0.625) |
| CaGa-13Li-1.tdb | 1021.98 | CA3GA8 (x(Ga) 0.72727) + CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.87153) |
| CaGa-13Li-1.tdb | 1021.98 | CA3GA8 (x(Ga) 0.72727) + CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.87157) |
| CaGa-13Li-1.tdb | 1021.98 | CA3GA8 (x(Ga) 0.72727) + CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.87141) |
| CaGa-13Li-1.tdb | 917.62 | LIQUID (x(Ga) 0.31093) + CA11GA7 (x(Ga) 0.38889) + CAGA_B33 (x(Ga) 0.5) |
| CaGa-13Li-1.tdb | 917.61 | LIQUID (x(Ga) 0.31057) + CA11GA7 (x(Ga) 0.38889) + CAGA_B33 (x(Ga) 0.5) |
| CaGa-13Li-1.tdb | 917.61 | LIQUID (x(Ga) 0.31041) + CA11GA7 (x(Ga) 0.38889) + CAGA_B33 (x(Ga) 0.5) |
| CaGa-13Li-1.tdb | 900.26 | LIQUID (x(Ga) 0.28969) + CA5GA3_D8L (x(Ga) 0.375) + CA11GA7 (x(Ga) 0.38889) |
| CaGa-13Li-1.tdb | 900.25 | LIQUID (x(Ga) 0.28995) + CA5GA3_D8L (x(Ga) 0.375) + CA11GA7 (x(Ga) 0.38889) |
| CaGa-13Li-1.tdb | 900.25 | LIQUID (x(Ga) 0.29007) + CA5GA3_D8L (x(Ga) 0.375) + CA11GA7 (x(Ga) 0.38889) |
| CaGa-13Li-1.tdb | 818.22 | LIQUID (x(Ga) 0.21749) + CA28GA11 (x(Ga) 0.28205) + CA5GA3_D8L (x(Ga) 0.375) |
| CaGa-13Li-1.tdb | 818.22 | LIQUID (x(Ga) 0.21742) + CA28GA11 (x(Ga) 0.28205) + CA5GA3_D8L (x(Ga) 0.375) |
| CaGa-13Li-1.tdb | 783.25 | BCC_A2 (x(Ga) 0) + LIQUID (x(Ga) 0.17259) + CA28GA11 (x(Ga) 0.28205) |
| CaGa-13Li-1.tdb | 783.25 | BCC_A2 (x(Ga) 0) + LIQUID (x(Ga) 0.17255) + CA28GA11 (x(Ga) 0.28205) |
| CaGa-13Li-1.tdb | 716.03 | FCC_A1 (x(Ga) 0) + BCC_A2 (x(Ga) 0) + CA28GA11 (x(Ga) 0.28205) |
| CaGa-13Li-1.tdb | 302.91 | CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.99999) + ORTHORHOMBIC_A11 (x(Ga) 1) |
| CaGa-13Li-1.tdb | 302.91 | CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.99999) + ORTHORHOMBIC_A11 (x(Ga) 1) |
| CaGa-13Li-2.tdb | 1244.66 | CAGA2 (x(Ga) 0.66667) + LIQUID (x(Ga) 0.69387) + CA25GA59 (x(Ga) 0.70238) |
| CaGa-13Li-2.tdb | 1244.66 | CAGA2 (x(Ga) 0.66667) + LIQUID (x(Ga) 0.69345) + CA25GA59 (x(Ga) 0.70238) |
| CaGa-13Li-2.tdb | 1244.65 | CAGA2 (x(Ga) 0.66667) + LIQUID (x(Ga) 0.69371) + CA25GA59 (x(Ga) 0.70238) |
| CaGa-13Li-2.tdb | 1193.28 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.77493) |
| CaGa-13Li-2.tdb | 1193.28 | CA25GA59 (x(Ga) 0.70238) + CA3GA8 (x(Ga) 0.72727) + LIQUID (x(Ga) 0.77478) |
| CaGa-13Li-2.tdb | 1140.5 | LIQUID (x(Ga) 0.55494) + CA3GA5 (x(Ga) 0.625) + CAGA2 (x(Ga) 0.66667) |
| CaGa-13Li-2.tdb | 1140.5 | LIQUID (x(Ga) 0.55522) + CA3GA5 (x(Ga) 0.625) + CAGA2 (x(Ga) 0.66667) |
| CaGa-13Li-2.tdb | 1084.71 | CAGA_B33 (x(Ga) 0.5) + LIQUID (x(Ga) 0.51652) + CA3GA5 (x(Ga) 0.625) |
| CaGa-13Li-2.tdb | 1084.71 | CAGA_B33 (x(Ga) 0.5) + LIQUID (x(Ga) 0.51655) + CA3GA5 (x(Ga) 0.625) |
| CaGa-13Li-2.tdb | 1084.71 | CAGA_B33 (x(Ga) 0.5) + LIQUID (x(Ga) 0.51636) + CA3GA5 (x(Ga) 0.625) |
| CaGa-13Li-2.tdb | 1017.54 | CA3GA8 (x(Ga) 0.72727) + CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.86412) |
| CaGa-13Li-2.tdb | 1017.54 | CA3GA8 (x(Ga) 0.72727) + CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.86422) |
| CaGa-13Li-2.tdb | 927.96 | LIQUID (x(Ga) 0.35153) + CA11GA7 (x(Ga) 0.38889) + CAGA_B33 (x(Ga) 0.5) |
| CaGa-13Li-2.tdb | 927.95 | LIQUID (x(Ga) 0.35129) + CA11GA7 (x(Ga) 0.38889) + CAGA_B33 (x(Ga) 0.5) |
| CaGa-13Li-2.tdb | 880.3 | LIQUID (x(Ga) 0.30048) + CA5GA3_D8L (x(Ga) 0.375) + CA11GA7 (x(Ga) 0.38889) |
| CaGa-13Li-2.tdb | 880.3 | LIQUID (x(Ga) 0.3003) + CA5GA3_D8L (x(Ga) 0.375) + CA11GA7 (x(Ga) 0.38889) |
| CaGa-13Li-2.tdb | 880.3 | LIQUID (x(Ga) 0.30065) + CA5GA3_D8L (x(Ga) 0.375) + CA11GA7 (x(Ga) 0.38889) |
| CaGa-13Li-2.tdb | 820.64 | LIQUID (x(Ga) 0.2564) + CA28GA11 (x(Ga) 0.28205) + CA5GA3_D8L (x(Ga) 0.375) |
| CaGa-13Li-2.tdb | 820.64 | LIQUID (x(Ga) 0.25662) + CA28GA11 (x(Ga) 0.28205) + CA5GA3_D8L (x(Ga) 0.375) |
| CaGa-13Li-2.tdb | 820.64 | LIQUID (x(Ga) 0.2563) + CA28GA11 (x(Ga) 0.28205) + CA5GA3_D8L (x(Ga) 0.375) |
| CaGa-13Li-2.tdb | 769.21 | BCC_A2 (x(Ga) 0) + LIQUID (x(Ga) 0.18688) + CA28GA11 (x(Ga) 0.28205) |
| CaGa-13Li-2.tdb | 769.21 | BCC_A2 (x(Ga) 0) + LIQUID (x(Ga) 0.18675) + CA28GA11 (x(Ga) 0.28205) |
| CaGa-13Li-2.tdb | 716.03 | BCC_A2 (x(Ga) 0) + FCC_A1 (x(Ga) 0) + CA28GA11 (x(Ga) 0.28205) |
| CaGa-13Li-2.tdb | 302.91 | CAGA4 (x(Ga) 0.8) + LIQUID (x(Ga) 0.99999) + ORTHORHOMBIC_A11 (x(Ga) 1) |

Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/CA/CA-GA.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/CA/CA-GA.json) · [CALPHAD hull CaGa-07Wan](https://data.orchid-project.org/hulls/calphad-sgte/CA/CA-GA--CaGa-07Wan.json) · [CALPHAD hull CaGa-13Li-2](https://data.orchid-project.org/hulls/calphad-sgte/CA/CA-GA--CaGa-13Li-2.json)

## Invariant reactions (literature)

Table: Invariant reactions reported in the literature for the Ca–Ga system (40)

| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---:|---|---|---|---|---|---|
| 1253.15 | CaGa2 + Liquid -> Ca25Ga59 | CaGa2: Ga 0.667; L: Ga 0.71; Ca25Ga59: Ga 0.702 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 13; `ORC-GECI4WTX65` |  |
| 1253.15 | CaGa2 + Liquid -> Ca25Ga59 | CaGa2: Ga 0.693; L: Ga 0.711; Ca25Ga59: Ga 0.702 | model | [1] Li 2013 | Table 6, p. 8, row 14; `ORC-NVXTWFYB7P` |  |
| 1253.15 | CaGa2 + L -> Ca25Ga39 | CaGa2: Ga 0.667; L: Ga 0.71; Ca25Ga39: Ga 0.702 | experimental | [2] Wang 2007; _cites Bruzzone 1989_ [doi](https://doi.org/10.1016/0022-5088%2889%2990171-9) | Table 3, p. 4, row 16; `ORC-PTTMNAJRVR` |  |
| 1242.15 | CaGa2 + L -> Ca25Ga39 | CaGa2: Ga 0.667; L: Ga 0.713; Ca25Ga39: Ga 0.702 | model | [2] Wang 2007 | Table 3, p. 4, row 15; `ORC-Z5JOLAXO5O` |  |
| 1203.15 | Ca25Ga39 + L -> Ca3Ga8 | Ca25Ga39: Ga 0.702; L: Ga 0.73; Ca3Ga8: Ga 0.727 | experimental | [2] Wang 2007; _cites Bruzzone 1989_ [doi](https://doi.org/10.1016/0022-5088%2889%2990171-9) | Table 3, p. 4, row 18; `ORC-C74BZUFMFG` |  |
| 1203.15 | Ca25Ga59 + Liquid -> Ca3Ga8 | Ca25Ga59: Ga 0.702; L: Ga 0.73; Ca3Ga8: Ga 0.727 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 15; `ORC-V77BKUENQW` |  |
| 1198.15 | Ca25Ga59 + Liquid -> Ca3Ga8 | Ca25Ga59: Ga 0.777; L: Ga 0.78; Ca3Ga8: Ga 0.727 | model | [1] Li 2013 | Table 6, p. 8, row 16; `ORC-JRLF5TMQS5` |  |
| 1166.15 | Ca25Ga39 + L -> Ca3Ga8 | Ca25Ga39: Ga 0.702; L: Ga 0.781; Ca3Ga8: Ga 0.727 | model | [2] Wang 2007 | Table 3, p. 4, row 17; `ORC-SWL2CHJZPJ` |  |
| 1147.15 | Liquid + CaGa2 -> Ca3Ga5 | L: Ga 0.554; CaGa2: Ga 0.667; Ca3Ga5: Ga 0.625 | model | [1] Li 2013 | Table 6, p. 8, row 12; `ORC-537AG2FAZO` |  |
| 1146.15 | L + CaGa2 -> Ca3Ga5 | L: Ga 0.555; CaGa2: Ga 0.667; Ca3Ga5: Ga 0.625 | model | [2] Wang 2007 | Table 3, p. 4, row 11; `ORC-HMPBOZGEVJ` |  |
| 1146.15 | L + CaGa2 -> Ca3Ga5 | L: Ga 0.527; CaGa2: Ga 0.667; Ca3Ga5: Ga 0.625 | experimental | [2] Wang 2007; _cites Bruzzone 1966_ | Table 3, p. 4, row 12; `ORC-JYUNJNULU7` |  |
| 1146.15 | Liquid + CaGa2 -> Ca3Ga5 | L: Ga 0.527; CaGa2: Ga 0.667; Ca3Ga5: Ga 0.625 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 11; `ORC-PEURB6RRCT` |  |
| 1091.15 | Liquid + Ca3Ga5 -> CaGa | L: Ga 0.516; Ca3Ga5: Ga 0.625; CaGa: Ga 0.5 | model | [1] Li 2013 | Table 6, p. 8, row 10; `ORC-KPZ2KER47Z` |  |
| 1068.15 | L + Ca3Ga5 -> CaGa | L: Ga 0.453; Ca3Ga5: Ga 0.625; CaGa: Ga 0.5 | experimental | [2] Wang 2007; _cites Bruzzone 1966_ | Table 3, p. 4, row 10; `ORC-HOE2WKKDK5` |  |
| 1068.15 | Liquid + Ca3Ga5 -> CaGa | L: Ga 0.453; Ca3Ga5: Ga 0.625; CaGa: Ga 0.5 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 9; `ORC-ZMR6ALOSEQ` |  |
| 1066.15 | L + Ca3Ga5 -> CaGa | L: Ga 0.499; Ca3Ga5: Ga 0.625; CaGa: Ga 0.5 | model | [2] Wang 2007 | Table 3, p. 4, row 9; `ORC-XY4UC3GS72` |  |
| 1024.15 | Ca3Ga8 + L -> CaGa4 | Ca3Ga8: Ga 0.727; L: Ga 0.842; CaGa4: Ga 0.8 | model | [2] Wang 2007 | Table 3, p. 4, row 19; `ORC-UNM6HBSUGE` |  |
| 1023.15 | Ca3Ga8 + Liquid -> CaGa4 | Ca3Ga8: Ga 0.727; L: Ga 0.83; CaGa4: Ga 0.8 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 17; `ORC-NJJHLHKVHQ` |  |
| 1023.15 | Ca3Ga8 + L -> CaGa4 | Ca3Ga8: Ga 0.727; L: Ga 0.83; CaGa4: Ga 0.8 | experimental | [2] Wang 2007; _cites Bruzzone 1989_ [doi](https://doi.org/10.1016/0022-5088%2889%2990171-9) | Table 3, p. 4, row 20; `ORC-WJ2HBQHTZC` |  |
| 1022.15 | Ca3Ga8 + Liquid -> CaGa4 | Ca3Ga8: Ga 0.865; L: Ga 0.872; CaGa4: Ga 0.8 | model | [1] Li 2013 | Table 6, p. 8, row 18; `ORC-OMA57NKNZE` |  |
| 934.15 | Liquid + CaGa -> Ca11Ga7 | L: Ga 0.351; CaGa: Ga 0.5; Ca11Ga7: Ga 0.389 | model | [1] Li 2013 | Table 6, p. 8, row 8; `ORC-UZRXN6WLOH` |  |
| 913.15 | L + CaGa -> Ca11Ga7 | L: Ga 0.277; CaGa: Ga 0.5; Ca11Ga7: Ga 0.389 | experimental | [2] Wang 2007; _cites Bruzzone 1966_ | Table 3, p. 4, row 8; `ORC-V2KZLOS7AA` |  |
| 913.15 | Liquid + CaGa -> Ca11Ga7 | L: Ga 0.277; CaGa: Ga 0.5; Ca11Ga7: Ga 0.389 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 7; `ORC-WPI5GZEGJV` |  |
| 910.15 | L + CaGa -> Ca11Ga7 | L: Ga 0.299; CaGa: Ga 0.5; Ca11Ga7: Ga 0.389 | model | [2] Wang 2007 | Table 3, p. 4, row 7; `ORC-I5SXRCMR44` |  |
| 886.15 | Liquid + Ca11Ga7 -> Ca5Ga3 | L: Ga 0.3; Ca11Ga7: Ga 0.389; Ca5Ga3: Ga 0.375 | model | [1] Li 2013 | Table 6, p. 8, row 6; `ORC-DHU6AIMOFO` |  |
| 883.15 | L + Ca11Ga7 -> Ca5Ga3 | L: Ga 0.247; Ca11Ga7: Ga 0.389; Ca5Ga3: Ga 0.375 | experimental | [2] Wang 2007; _cites Bruzzone 1966_ | Table 3, p. 4, row 6; `ORC-4PPGHBZPRO` |  |
| 883.15 | Liquid + Ca11Ga7 -> Ca5Ga3 | L: Ga 0.247; Ca11Ga7: Ga 0.389; Ca5Ga3: Ga 0.375 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 5; `ORC-KAHD2TT4JB` |  |
| 879.15 | L + Ca11Ga7 -> Ca5Ga3 | L: Ga 0.259; Ca11Ga7: Ga 0.389; Ca5Ga3: Ga 0.375 | model | [2] Wang 2007 | Table 3, p. 4, row 5; `ORC-RWTKQE6KE7` |  |
| 824.15 | Liquid + Ca5Ga3 ↔ Ca28Ga11 | Liquid: Ga 0.255; Ca5Ga3: Ga 0.375; Ca28Ga11: Ga 0.282 | model | [1] Li 2013 | Table 6, p. 8, row 4; `ORC-5HASW26NFC` |  |
| 820.15 | L + Ca5Ga3 -> Ca28Ga11 | L: Ga 0.201; Ca5Ga3: Ga 0.375; Ca28Ga11: Ga 0.282 | model | [2] Wang 2007 | Table 3, p. 4, row 3; `ORC-TVGZBG22GA` |  |
| 818.15 | Liquid + Ca5Ga3 ↔ Ca28Ga11 | Liquid: Ga 0.2; Ca5Ga3: Ga 0.375; Ca28Ga11: Ga 0.282 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 3; `ORC-FNL47U4F4B` |  |
| 818.15 | L + Ca5Ga3 -> Ca28Ga11 | L: Ga 0.2; Ca5Ga3: Ga 0.375; Ca28Ga11: Ga 0.282 | experimental | [2] Wang 2007; _cites Bruzzone 1966_ | Table 3, p. 4, row 4; `ORC-LLI3LRVBJM` |  |
| 787.15 | eutectic: L -> Ca + Ca28Ga11 | L: Ga 0.161; Ca: Ga 0; Ca28Ga11: Ga 0.282 | model | [2] Wang 2007 | Table 3, p. 4, row 1; `ORC-TNZPLNMLAD` |  |
| 785.15 | eutectic: Liquid -> (Ca) + Ga28Ca11 | L: Ga 0.161; (Ca): Ga 0; Ga28Ca11: Ga 0.282 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 1; `ORC-HHDYZ54BTY` |  |
| 785.15 | eutectic: L -> Ca + Ca28Ga11 | L: Ga 0.161; Ca: Ga 0; Ca28Ga11: Ga 0.282 | experimental | [2] Wang 2007; _cites Bruzzone 1966_ | Table 3, p. 4, row 2; `ORC-HNM53CFIEB` |  |
| 773.15 | eutectic: Liquid -> (Ca) + Ga28Ca11 | L: Ga 0.186; (Ca): Ga 0; Ga28Ca11: Ga 0.282 | model | [1] Li 2013 | Table 6, p. 8, row 2; `ORC-TH5Q7VD4UC` |  |
| 303.15 | eutectic: Liquid -> CaGa4 + (Ga) | L: Ga 1; CaGa4: Ga 0.8; (Ga): Ga 1 | model | [1] Li 2013 | Table 6, p. 8, row 20; `ORC-NZ2XL3IR2I` |  |
| 302.15 | eutectic: Liquid -> CaGa4 + (Ga) | L: Ga 0.994; CaGa4: Ga 0.8; (Ga): Ga 1 | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 19; `ORC-TKQKT2ZQFG` |  |
| 302.15 | eutectic: L -> CaGa4 + Ga | L: Ga 0.994; CaGa4: Ga 0.8; Ga: Ga 1 | experimental | [2] Wang 2007; _cites Bruzzone 1989_ [doi](https://doi.org/10.1016/0022-5088%2889%2990171-9) | Table 3, p. 4, row 22; `ORC-UREZRIKSN3` |  |
| 301.85 | eutectic: L -> CaGa4 + Ga | L: Ga 0.994; CaGa4: Ga 0.8; Ga: Ga 1 | model | [2] Wang 2007 | Table 3, p. 4, row 21; `ORC-OBWRE3CYMS` |  |

## 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](https://data.orchid-project.org/literature/dft_parity.json).

Table: Enthalpies of formation, Ca–Ga system (11)

| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---:|---:|---|---:|---:|---|---|---|
| Ca11Ga7 |  | -37.258 kJ/mol-atom | 0 | DFT |  |  | [1] Li 2013 | Table 2, p. 3, row 3; `ORC-COLKEQBGBT` |  |
| Ca28Ga11 |  | -29.826 kJ/mol-atom | 0 | DFT |  |  | [1] Li 2013 | Table 2, p. 3, row 1; `ORC-CDK5HRN7PY` |  |
| Ca3Ga5 |  | -48.725 kJ/mol-atom | 0 | DFT |  |  | [1] Li 2013 | Table 2, p. 3, row 5; `ORC-6ZQ74D3DYJ` |  |
| Ca3Ga8 |  | -41.02 kJ/mol-atom | 0 | DFT |  |  | [1] Li 2013 | Table 2, p. 3, row 9; `ORC-NCX5Y3DQWW` |  |
| Ca3Ga8 | [Ca3Ga8](https://data.orchid-project.org/compounds/Ca3Ga8.html) | -25.4 kJ/mol-atom ± 2.4 | 298.15 | experimental | -42.173 (mp-aaaaasrb) | -42.5 (oqmd-18922) | [1] Li 2013; _cites Reddy 1999_ [doi](https://doi.org/10.1007/s11663-999-0079-5) | Table 2, p. 3, row 10; `ORC-U7SQ5PKPFH` |  |
| Ca5Ga3 |  | -35.868 kJ/mol-atom | 0 | DFT |  |  | [1] Li 2013 | Table 2, p. 3, row 2; `ORC-K43JKGNFKH` |  |
| CaGa |  | -44.545 kJ/mol-atom | 0 | DFT |  |  | [1] Li 2013 | Table 2, p. 3, row 4; `ORC-LN6NCSB6YN` |  |
| CaGa2 |  | -49.254 kJ/mol-atom | 0 | DFT |  |  | [1] Li 2013 | Table 2, p. 3, row 6; `ORC-VBAP5HNV4N` |  |
| CaGa2 | [CaGa2](https://data.orchid-project.org/compounds/CaGa2.html) | -38.8 kJ/mol-atom ± 4.8 |  | unspecified | -50.078 (mp-aaaaaqsa) | -50.802 (oqmd-28952) | [1] Li 2013 | Table 2, p. 3, row 7; `ORC-53XSRTOSR5.17a713` |  |
| CaGa4 |  | -34.155 kJ/mol-atom | 0 | DFT |  |  | [1] Li 2013 | Table 2, p. 3, row 11; `ORC-F4ZS4D6HHL` |  |
| CaGa4 | [CaGa4](https://data.orchid-project.org/compounds/CaGa4.html) | -24.9 kJ/mol-atom ± 4.9 | 298.15 | experimental | -35.27 (mp-aaaaacya) | -35.178 (oqmd-647536) | [1] Li 2013; _cites Reddy 1999_ [doi](https://doi.org/10.1007/s11663-999-0079-5) | Table 2, p. 3, row 12; `ORC-QMQ3M6MTQ2` |  |

## Other properties

### Phase transition (7)

Table: Phase transition, Ca–Ga system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Phase transition | 883.15 K | 883.15 | L + Ca11 Ga7 ↔ Ca5 Ga3 | experimental | [2] Wang 2007; _cites Bruzzone 1966_ | p. 4; `ORC-HI5NJR7HFI` | “A satisfactory agreement is obtained between the calculated and experimental data with the largest difference of 4 ◦ C, where the data of \[17\] was at 610 ◦ C on the invariant equilibrium of L + Ca11 Ga7 ↔ Ca5 Ga3 .” |
| Phase transition | 1259.15 K | 1259.15 | Liquid -> CaGa2; _L: Ga 0.667; CaGa2: Ga 0.667_ | model | [1] Li 2013 | Table 6, p. 8, row 22; `ORC-EG6KWWRH2M` |  |
| Phase transition | 1263.15 K | 1263.15 | L -> CaGa2; _L: Ga 0.667; CaGa2: Ga 0.667_ | experimental | [2] Wang 2007; _cites Bruzzone 1966_ | Table 3, p. 4, row 14; `ORC-OWZOPVPXJQ` |  |
| Phase transition | 1263.15 K | 1263.15 | Liquid -> CaGa2; _L: Ga 0.667; CaGa2: Ga 0.667_ | experimental | [1] Li 2013; _cites Bruzzone 1966_ | Table 6, p. 8, row 21; `ORC-VJAVCTKNX3` |  |
| Phase transition | 1263.15 K | 1263.15 | congruent transformation | experimental | [2] Wang 2007 | p. 2; `ORC-ATTCBO7477` | “CaGa2 remains the only phase with a congruent melting point at 990 ◦ C.” |
| Phase transition | 1264.15 K | 1264.15 | L -> CaGa2; _L: Ga 0.667; CaGa2: Ga 0.667_ | model | [2] Wang 2007 | Table 3, p. 4, row 13; `ORC-NC7JIU6VD7` |  |
| Phase transition | 1264.15 K | 1264.15 | congruent transformation | model | [2] Wang 2007 | p. 4; `ORC-HLOUQJH7BH` | “The calculated congruent-melting point of the CaGa2 phase is 991 ◦ C, which fits well with the work of Bruzzone \[17\].” |

### Crystal structure (39)

Table: Crystal structure, Ca–Ga system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Lattice a | 16.072 Å | 0 | Ca11Ga7; _alloy: Ca 0.611111, Ga 0.388889_ | DFT | [1] Li 2013 | Table 1, p. 2, row 31; `ORC-MW43XBXCSW` |  |
| Lattice a | 5.551 Å | 0 | Ca28Ga11; _alloy: Ca 0.717949, Ga 0.282051_ | DFT | [1] Li 2013 | Table 1, p. 2, row 29; `ORC-WDCXO2IOHK.9c1a2f` |  |
| Lattice a | 4.45 Å | 0 | Ca3Ga5; _alloy: Ca 0.375, Ga 0.625_ | DFT | [1] Li 2013 | Table 1, p. 2, row 37; `ORC-3VUFTVNMO4.5d8555` |  |
| Lattice a | 4.301 Å | 0 | Ca3Ga8; _alloy: Ca 0.272727, Ga 0.727273_ | DFT | [1] Li 2013 | Table 1, p. 2, row 41; `ORC-S7LIGMX7OH.3c5160` |  |
| Lattice a | 7.92 Å | 0 | Ca5Ga3; _alloy: Ca 0.625, Ga 0.375_ | DFT | [1] Li 2013 | Table 1, p. 2, row 33; `ORC-FORCWB7K2E.7ca18b` |  |
| Lattice a | 4.187 Å | 0 | CaGa; _alloy: Ca 0.5, Ga 0.5_ | DFT | [1] Li 2013 | Table 1, p. 2, row 35; `ORC-MQG6GQPQ7J.9c9379` |  |
| Lattice a | 4.451 Å | 0 | CaGa2; _alloy: Ca 0.333333, Ga 0.666667_ | DFT | [1] Li 2013 | Table 1, p. 2, row 39; `ORC-VAMWJSPZ6A.17dfe2` |  |
| Lattice a | 6.173 Å | 0 | CaGa4; _alloy: Ca 0.2, Ga 0.8_ | DFT | [1] Li 2013 | Table 1, p. 2, row 43; `ORC-236FMJJ33C.e2cd59` |  |
| Lattice a | 16.109 Å | 298.15 | Ca11Ga7; _alloy: Ca 0.611111, Ga 0.388889_ | experimental | [1] Li 2013; _cites Fornasini 1989_ [doi](https://doi.org/10.1524/zkri.1989.187.1-2.111) | Table 1, p. 2, row 30; `ORC-KOK6RY6YJT` |  |
| Lattice a | 4.315 Å | 298.15 | Ca25Ga59; _alloy: Ca 0.297619, Ga 0.702381_ | experimental | [1] Li 2013; _cites Bruzzone 1989_ [doi](https://doi.org/10.1016/0022-5088%2889%2990171-9) | Table 1, p. 2, row 44; `ORC-YHT7A77NIK` |  |
| Lattice a | 5.324 Å | 298.15 | Ca28Ga11; _alloy: Ca 0.717949, Ga 0.282051_ | unspecified | [1] Li 2013; _cites Fornasini 1986_ | Table 1, p. 2, row 28; `ORC-NFEWP6LSMU.a325f0` |  |
| Lattice a | 4.463 Å | 298.15 | Ca3Ga5; _alloy: Ca 0.375, Ga 0.625_ | unspecified | [1] Li 2013; _cites Cordier 1986_ [doi](https://doi.org/10.1002/zaac.19865390805) | Table 1, p. 2, row 36; `ORC-6TILKVVYSC.d0b043` |  |
| Lattice a | 4.323 Å | 298.15 | Ca3Ga8; _alloy: Ca 0.272727, Ga 0.727273_ | unspecified | [1] Li 2013; _cites Bruzzone 1988_ | Table 1, p. 2, row 40; `ORC-NXE2QPGVVI.2aa201` |  |
| Lattice a | 7.954 Å | 298.15 | Ca5Ga3; _alloy: Ca 0.625, Ga 0.375_ | experimental | [1] Li 2013; _cites Bruzzone 1978_ [doi](https://doi.org/10.1016/0022-5088%2878%2990089-9) | Table 1, p. 2, row 32; `ORC-NTYQ5HO3DG.6dd1a2` |  |
| Lattice a | 4.191 Å | 298.15 | CaGa; _alloy: Ca 0.5, Ga 0.5_ | experimental | [1] Li 2013; _cites Merlo 1986_ [doi](https://doi.org/10.1016/0022-5088%2886%2990195-5) | Table 1, p. 2, row 34; `ORC-WCU2NWVZ2V.1d5877` |  |
| Lattice a | 4.467 Å | 298.15 | CaGa2; _alloy: Ca 0.333333, Ga 0.666667_ | experimental | [1] Li 2013; _cites Bruzzone 1989_ [doi](https://doi.org/10.1016/0022-5088%2889%2990171-9) | Table 1, p. 2, row 38; `ORC-UPZ6Z5R5E7.c3f38a` |  |
| Lattice a | 6.184 Å | 298.15 | CaGa4; _alloy: Ca 0.2, Ga 0.8_ | unspecified | [1] Li 2013; _cites He 1989_ | Table 1, p. 2, row 42; `ORC-2CBGHBDZNQ.f6c6e9` |  |
| Lattice b | 7.5 Å | 0 | Ca28Ga11; _alloy: Ca 0.717949, Ga 0.282051_ | DFT | [1] Li 2013 | Table 1, p. 2, row 29; `ORC-WDCXO2IOHK.cd1d01` |  |
| Lattice b | 10.821 Å | 0 | Ca3Ga5; _alloy: Ca 0.375, Ga 0.625_ | DFT | [1] Li 2013 | Table 1, p. 2, row 37; `ORC-3VUFTVNMO4.414a1c` |  |
| Lattice b | 11.48 Å | 0 | CaGa; _alloy: Ca 0.5, Ga 0.5_ | DFT | [1] Li 2013 | Table 1, p. 2, row 35; `ORC-MQG6GQPQ7J.503a07` |  |
| Lattice b | 6.131 Å | 0 | CaGa4; _alloy: Ca 0.2, Ga 0.8_ | DFT | [1] Li 2013 | Table 1, p. 2, row 43; `ORC-236FMJJ33C.6abfe6` |  |
| Lattice b | 7.488 Å | 298.15 | Ca28Ga11; _alloy: Ca 0.717949, Ga 0.282051_ | unspecified | [1] Li 2013; _cites Fornasini 1986_ | Table 1, p. 2, row 28; `ORC-NFEWP6LSMU.1e5a09` |  |
| Lattice b | 10.799 Å | 298.15 | Ca3Ga5; _alloy: Ca 0.375, Ga 0.625_ | unspecified | [1] Li 2013; _cites Cordier 1986_ [doi](https://doi.org/10.1002/zaac.19865390805) | Table 1, p. 2, row 36; `ORC-6TILKVVYSC.1d3f6c` |  |
| Lattice b | 11.457 Å | 298.15 | CaGa; _alloy: Ca 0.5, Ga 0.5_ | experimental | [1] Li 2013; _cites Merlo 1986_ [doi](https://doi.org/10.1016/0022-5088%2886%2990195-5) | Table 1, p. 2, row 34; `ORC-WCU2NWVZ2V.9df06f` |  |
| Lattice b | 6.132 Å | 298.15 | CaGa4; _alloy: Ca 0.2, Ga 0.8_ | unspecified | [1] Li 2013; _cites He 1989_ | Table 1, p. 2, row 42; `ORC-2CBGHBDZNQ.e27072` |  |
| Lattice c | 31.237 Å | 0 | Ca28Ga11; _alloy: Ca 0.717949, Ga 0.282051_ | DFT | [1] Li 2013 | Table 1, p. 2, row 29; `ORC-WDCXO2IOHK.9177dd` |  |
| Lattice c | 15.003 Å | 0 | Ca3Ga5; _alloy: Ca 0.375, Ga 0.625_ | DFT | [1] Li 2013 | Table 1, p. 2, row 37; `ORC-3VUFTVNMO4.5e2be8` |  |
| Lattice c | 25.86 Å | 0 | Ca3Ga8; _alloy: Ca 0.272727, Ga 0.727273_ | DFT | [1] Li 2013 | Table 1, p. 2, row 41; `ORC-S7LIGMX7OH.320f7b` |  |
| Lattice c | 15.072 Å | 0 | Ca5Ga3; _alloy: Ca 0.625, Ga 0.375_ | DFT | [1] Li 2013 | Table 1, p. 2, row 33; `ORC-FORCWB7K2E.c986aa` |  |
| Lattice c | 4.362 Å | 0 | CaGa; _alloy: Ca 0.5, Ga 0.5_ | DFT | [1] Li 2013 | Table 1, p. 2, row 35; `ORC-MQG6GQPQ7J.2195a9` |  |
| Lattice c | 7.411 Å | 0 | CaGa2; _alloy: Ca 0.333333, Ga 0.666667_ | DFT | [1] Li 2013 | Table 1, p. 2, row 39; `ORC-VAMWJSPZ6A.6745d6` |  |
| Lattice c | 6.104 Å | 0 | CaGa4; _alloy: Ca 0.2, Ga 0.8_ | DFT | [1] Li 2013 | Table 1, p. 2, row 43; `ORC-236FMJJ33C.0a5175` |  |
| Lattice c | 31.064 Å | 298.15 | Ca28Ga11; _alloy: Ca 0.717949, Ga 0.282051_ | unspecified | [1] Li 2013; _cites Fornasini 1986_ | Table 1, p. 2, row 28; `ORC-NFEWP6LSMU.d5ac60` |  |
| Lattice c | 15.025 Å | 298.15 | Ca3Ga5; _alloy: Ca 0.375, Ga 0.625_ | unspecified | [1] Li 2013; _cites Cordier 1986_ [doi](https://doi.org/10.1002/zaac.19865390805) | Table 1, p. 2, row 36; `ORC-6TILKVVYSC.368f3e` |  |
| Lattice c | 25.843 Å | 298.15 | Ca3Ga8; _alloy: Ca 0.272727, Ga 0.727273_ | unspecified | [1] Li 2013; _cites Bruzzone 1988_ | Table 1, p. 2, row 40; `ORC-NXE2QPGVVI.4c4aab` |  |
| Lattice c | 15.084 Å | 298.15 | Ca5Ga3; _alloy: Ca 0.625, Ga 0.375_ | experimental | [1] Li 2013; _cites Bruzzone 1978_ [doi](https://doi.org/10.1016/0022-5088%2878%2990089-9) | Table 1, p. 2, row 32; `ORC-NTYQ5HO3DG.051086` |  |
| Lattice c | 4.387 Å | 298.15 | CaGa; _alloy: Ca 0.5, Ga 0.5_ | experimental | [1] Li 2013; _cites Merlo 1986_ [doi](https://doi.org/10.1016/0022-5088%2886%2990195-5) | Table 1, p. 2, row 34; `ORC-WCU2NWVZ2V.d5d171` |  |
| Lattice c | 7.393 Å | 298.15 | CaGa2; _alloy: Ca 0.333333, Ga 0.666667_ | experimental | [1] Li 2013; _cites Bruzzone 1989_ [doi](https://doi.org/10.1016/0022-5088%2889%2990171-9) | Table 1, p. 2, row 38; `ORC-UPZ6Z5R5E7.169783` |  |
| Lattice c | 6.12 Å | 298.15 | CaGa4; _alloy: Ca 0.2, Ga 0.8_ | unspecified | [1] Li 2013; _cites He 1989_ | Table 1, p. 2, row 42; `ORC-2CBGHBDZNQ.726990` |  |

## Sources

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

1. Xi Li, Kaiming Cheng, Xiaoming Yuan, Dongdong Zhao, Jinghua Xin, Weiwei Wang et al., Thermodynamic assessment of the Ga–X (X=B, Ca, Sr, Ba) systems supported by first-principles calculations, Calphad 43, 52-60 (2013). [doi:10.1016/j.calphad.2013.09.002](https://doi.org/10.1016/j.calphad.2013.09.002)
2. J.F. Wang, W.X. Yuan, X. Zhao, W.L. Qian, Z.F. Cai, Thermodynamic description of the Ca–Ga system, Calphad 31, 120-124 (2007). [doi:10.1016/j.calphad.2006.09.004](https://doi.org/10.1016/j.calphad.2006.09.004)

## 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). https://doi.org/10.5281/zenodo.23735569
- R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). https://doi.org/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). https://doi.org/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). https://doi.org/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.

```bibtex
@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}
}
```

---

Derived data CC BY 4.0 ([licence](https://creativecommons.org/licenses/by/4.0/)): cite ORCHID ([CITATION.cff](https://data.orchid-project.org/CITATION.cff)) and the original sources. Quotes are short excerpts kept so that each value can be checked; they remain under the publishers' copyright and are not relicensed. Source papers, page images and full text are not redistributed. Field reference: [SCHEMA.md](https://data.orchid-project.org/literature/SCHEMA.md). Machine-readable guide: [llms.txt](https://data.orchid-project.org/llms.txt). Found an error? The report link of a value (Markdown: its id, ORC-..., in the Location column) opens a pre-filled GitHub issue, https://github.com/orchid-calphad/orchid-data/issues/new?template=report-value-error.yml&record_id=\<id>, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).