# B–Ce system

> B–Ce system: 126 accepted literature values (invariant reaction 67, formation 21, phase transition 19, phase equilibrium 13) and 0 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

HTML: https://data.orchid-project.org/systems/B-CE.html · Markdown: https://data.orchid-project.org/systems/B-CE.md

126 accepted literature values from 3 paper(s) (experimental 62, model 44, DFT 8, unspecified 12); 0 calculated phase diagram(s). 2 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/B-CE.json) · [CSV](https://data.orchid-project.org/systems/B-CE.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#B-CE) · [phases (8)](https://data.orchid-project.org/phases/pages/B-CE.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/B-CE.html) · [Markdown](https://data.orchid-project.org/systems/B-CE.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 62 |
| model | 44 |
| DFT | 8 |
| unspecified | 12 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| invariant reaction | 67 |
| phase transition | 19 |
| phase equilibrium | 13 |
| formation | 21 |
| crystal structure | 6 |

Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/B/B-CE.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/B/B-CE.json) · [CALPHAD hull CeB-13Wan](https://data.orchid-project.org/hulls/calphad-sgte/B/B-CE--CeB-13Wan.json) · [CALPHAD hull CeB-17Pre](https://data.orchid-project.org/hulls/calphad-sgte/B/B-CE--CeB-17Pre.json)

## Invariant reactions (literature)

Table: Invariant reactions reported in the literature for the B–Ce system (67)

| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---:|---|---|---|---|---|---|
| 2818.15 | congruent melting: L -> B6Ce | L: B 0.857; B6Ce: B 0.857 | experimental | [1] Premović 2017; _cites Stecher 1965_ | Table 2, p. 2, row 9; `ORC-WZHOJHUFNS` |  |
| 2648.15 | peritectic: L + B6Ce -> B4Ce | L: B 0.744; B6Ce: B 0.857; B4Ce: B 0.8 | experimental | [1] Premović 2017; _cites Stecher 1965_ | Table 2, p. 2, row 20; `ORC-EMFT3RUDLY` |  |
| 2643.15 | peritectic: L + B6Ce -> B4Ce | L: B 0.742; B6Ce: B 0.857; B4Ce: B 0.8 | experimental | [1] Premović 2017; _cites Benesovsky 1967_ | Table 2, p. 2, row 19; `ORC-NE4OJJELJD` |  |
| 2604.95 | congruent melting: L -> B6Ce | L: B 0.857; B6Ce: B 0.857 | model | [1] Premović 2017 | Table 7, p. 9, row 5; `ORC-TWBGSDZYPO` |  |
| 2603.15 | congruent melting: L -> B6Ce | L: B 0.857; B6Ce: B 0.857 | experimental | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 7, p. 9, row 6; `ORC-FPXLDL54FJ` |  |
| 2603.15 | congruent melting: L -> B6Ce | L: B 0.857; B6Ce: B 0.857 | unspecified | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 2, p. 2, row 8; `ORC-MINWUU6QPP` |  |
| 2473.15 | eutectic: L -> B6Ce + β(B) | L: B 0.99; B6Ce: B 0.857; β(B): B 1 | experimental | [1] Premović 2017; _cites Stecher 1965_ | Table 2, p. 2, row 25; `ORC-W6AUHMUZZZ` |  |
| 2463.15 | congruent melting: L -> B6Ce |  | experimental | [1] Premović 2017; _cites Samsonov 1961_ | Table 2, p. 2, row 10; `ORC-2N2DI4NM6U` |  |
| 2438.15 | peritectic: L + B6Ce -> B4Ce | L: B 0.74; B6Ce: B 0.857; B4Ce: B 0.8 | experimental | [1] Premović 2017; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 2, p. 2, row 18; `ORC-2AIS56UPSY` |  |
| 2438.15 | peritectic: L+B6Ce->B4Ce | L: B 0.74; B6Ce: B 0.857; B4Ce: B 0.8 | experimental | [2] Wang 2013; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 3, p. 4, row 8; `ORC-WAXL4Q3B23` |  |
| 2438.15 | L + B6Ce -> B4Ce | L: B 0.74; B6Ce: B 0.857; B4Ce: B 0.8 | experimental | [1] Premović 2017; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 7, p. 9, row 16; `ORC-ZOYU5HMIEM` |  |
| 2438 | peritectic: L + CeB6 -> CeB4 | L: B 0.74; CeB6: B 0.857143; CeB4: B 0.8 | experimental | [3] Li 2020; _cites ref. 23_ | Table 7, p. 29, row 6; `ORC-NANC66V3CS` |  |
| 2438 | peritectic: L + CeB6 -> CeB4 | L: B 0.74; CeB6: B 0.857143; CeB4: B 0.8 | unspecified | [3] Li 2020; _cites ref. 24_ | Table 7, p. 29, row 7; `ORC-OAVQQFP6AH` |  |
| 2437.95 | peritectic: L + B6Ce -> B4Ce | L: B 0.744; B6Ce: B 0.857; B4Ce: B 0.8 | model | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 2, p. 2, row 17; `ORC-HWB2OL5SAA` |  |
| 2437.95 | peritectic: L+B6Ce->B4Ce | L: B 0.744; B6Ce: B 0.857; B4Ce: B 0.8 | model | [2] Wang 2013 | Table 3, p. 4, row 9; `ORC-PFBBWUL7SN` |  |
| 2437.95 | L + B6Ce -> B4Ce | L: B 0.744; B6Ce: B 0.857; B4Ce: B 0.8 | model | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 7, p. 9, row 15; `ORC-XZFEYNYPJU` |  |
| 2435 | peritectic: L + CeB6 -> CeB4 | L: B 0.74; CeB6: B 0.857143; CeB4: B 0.8 | model | [3] Li 2020 | Table 7, p. 29, row 10; `ORC-6OXO3H5EUH` |  |
| 2433.95 | L + B6Ce -> B4Ce | L: B 0.7407; B6Ce: B 0.857; B4Ce: B 0.8 | model | [1] Premović 2017 | Table 7, p. 9, row 14; `ORC-QGU6EIFY3P` |  |
| 2433.8 | peritectic: L + CeB6 -> CeB4 | L: B 0.741; CeB6: B 0.857143; CeB4: B 0.8 | model | [3] Li 2020; _cites ref. 22_ | Table 7, p. 29, row 9; `ORC-MN53BC37NI` |  |
| 2298.15 | eutectic: L -> B6Ce + β(B) | L: B 0.99; B6Ce: B 0.857; β(B): B 1 | experimental | [1] Premović 2017; _cites Spear 1976_ | Table 2, p. 2, row 24; `ORC-QRQSEPE5PI` |  |
| 2278.4 | eutectic: L -> CeB6 + β-B | L: B 0.967; CeB6: B 0.857143; β-B: B 1 | model | [3] Li 2020 | Table 7, p. 29, row 15; `ORC-VQJZINXLUS` |  |
| 2273.15 | eutectic: L->B6Ce+(βB) | L: B 0.967; B6Ce: B 0.857; (βB): B 1 | model | [2] Wang 2013 | Table 3, p. 4, row 14; `ORC-23DEBRVLOW` |  |
| 2273.15 | eutectic: L -> B6Ce + β(B) | L: B 0.967; B6Ce: B 0.857; β(B): B 1 | model | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 7, p. 9, row 20; `ORC-CG6N2OZ4EH` |  |
| 2273.15 | eutectic: L->B6Ce+(βB) | L: B 0.96; B6Ce: B 0.857; (βB): B 1 | experimental | [2] Wang 2013; _cites Seybolt 1960_ | Table 3, p. 4, row 13; `ORC-JECTH64KG3` |  |
| 2273.15 | eutectic: L -> B6Ce + β(B) | L: B 0.96; B6Ce: B 0.857; β(B): B 1 | experimental | [1] Premović 2017; _cites Seybolt 1960_ | Table 2, p. 2, row 22; `ORC-JZSC7PZKIF` |  |
| 2273.15 | eutectic: L -> B6Ce + β(B) | L: B 0.967; B6Ce: B 0.857; β(B): B 1 | model | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 2, p. 2, row 23; `ORC-KL4QGJ3KBC` |  |
| 2273.15 | eutectic: L -> B6Ce + β(B) | L: B 0.96; B6Ce: B 0.857; β(B): B 1 | experimental | [1] Premović 2017; _cites Seybolt 1960_ | Table 7, p. 9, row 19; `ORC-OC4AQMOVYO` |  |
| 2273 | eutectic: L -> CeB6 + β-B | L: B 0.99; CeB6: B 0.857143; β-B: B 1 | experimental | [3] Li 2020; _cites ref. 23_ | Table 7, p. 29, row 11; `ORC-Q4UO6CCVBX` |  |
| 2273 | eutectic: L -> CeB6 + β-B | L: B 0.967; CeB6: B 0.857143; β-B: B 1 | model | [3] Li 2020; _cites ref. 21_ | Table 7, p. 29, row 13; `ORC-RHCGW4XMIE` |  |
| 2270.85 | eutectic: L -> B6Ce + β(B) | L: B 0.964; B6Ce: B 0.857; β(B): B 1 | model | [1] Premović 2017 | Table 7, p. 9, row 17; `ORC-ANYP3UF57U` |  |
| 2270.7 | eutectic: L -> CeB6 + β-B | L: B 0.964; CeB6: B 0.857143; β-B: B 1 | model | [3] Li 2020; _cites ref. 22_ | Table 7, p. 29, row 14; `ORC-II3UM5P3PQ` |  |
| 2263.15 | eutectic: L -> B6Ce + β(B) | L: B 0.99; B6Ce: B 0.857; β(B): B 1 | experimental | [1] Premović 2017; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 7, p. 9, row 18; `ORC-LHIFK47D7S` |  |
| 2263.15 | eutectic: L -> B6Ce + β(B) | L: B 0.99; B6Ce: B 0.857; β(B): B 1 | experimental | [1] Premović 2017; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 2, p. 2, row 21; `ORC-PRHT46B2YE` |  |
| 2263.15 | eutectic: L->B6Ce+(βB) | L: B 0.99; B6Ce: B 0.857; (βB): B 1 | experimental | [2] Wang 2013; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 3, p. 4, row 12; `ORC-QH22D4LQOA` |  |
| 2263 | eutectic: L -> CeB6 + β-B | L: B 0.99; CeB6: B 0.857143; β-B: B 1 | unspecified | [3] Li 2020; _cites ref. 24_ | Table 7, p. 29, row 12; `ORC-VXAATKKAN2` |  |
| 2237.8 | peritectic: L + CeB6 -> CeB4 | L: B 0.744; CeB6: B 0.857143; CeB4: B 0.8 | model | [3] Li 2020; _cites ref. 21_ | Table 7, p. 29, row 8; `ORC-HKXF4CDHYI` |  |
| 1071.95 | congruent melting: L -> δ(Ce) | L: B 0; δ(Ce): B 0 | model | [1] Premović 2017 | Table 7, p. 9, row 1; `ORC-DBWZNSLJ7R` |  |
| 1071.15 | eutectic: L -> B4Ce + δ(Ce) | L: B 0.01; B4Ce: B 0.8; δ(Ce): B 0 | experimental | [1] Premović 2017; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 2, p. 2, row 16; `ORC-DTVRGVTJCA` |  |
| 1071.15 | congruent melting: L -> δ(Ce) | L: B 0; δ(Ce): B 0 | unspecified | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 2, p. 2, row 7; `ORC-QYULHLTUCP` |  |
| 1071.15 | congruent melting: L -> δ(Ce) | L: B 0; δ(Ce): B 0 | experimental | [1] Premović 2017; _cites Massalski 1990_ | Table 7, p. 9, row 2; `ORC-VPWNQMYV6L` |  |
| 1063.45 | eutectic: L -> B4Ce + δ(Ce) | L: B 0.006; B4Ce: B 0.8; δ(Ce): B 0 | model | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 2, p. 2, row 15; `ORC-PBZB75LTD6` |  |
| 1063.45 | eutectic: L->(δCe)+B4Ce | L: B 0.006; (δCe): B 0; B4Ce: B 0.8 | model | [2] Wang 2013 | Table 3, p. 4, row 7; `ORC-WQKF5AI7Q7` |  |
| 1063.45 | eutectic: L -> δ(Ce) + B4Ce | L: B 0.006; δ(Ce): B 0; B4Ce: B 0.8 | model | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 7, p. 9, row 13; `ORC-YNC5TT62QE` |  |
| 1063.3 | eutectic: L -> δ-Ce + CeB4 | L: B 0.006; CeB4: B 0.8 | model | [3] Li 2020; _cites ref. 22_ | Table 7, p. 29, row 19; `ORC-WLTPWCSXHO` |  |
| 1063.15 | eutectic: L->(δCe)+B4Ce | L: B 0.01; (δCe): B 0; B4Ce: B 0.8 | experimental | [2] Wang 2013; _cites Brewer 1951_ [doi](https://doi.org/10.1111/j.1151-2916.1951.tb11631.x) | Table 3, p. 4, row 6; `ORC-3YHAUGBE7D` |  |
| 1063.15 | eutectic: L -> δ(Ce) + B4Ce | L: B 0.01; δ(Ce): B 0; B4Ce: B 0.8 | experimental | [1] Premović 2017; _cites Liao 1990_ | Table 7, p. 9, row 12; `ORC-7IK2QW7DFN` |  |
| 1063.15 | eutectic: L -> B4Ce + δ(Ce) | L: B 0.01; B4Ce: B 0.8; δ(Ce): B 0 | unspecified | [1] Premović 2017; _cites Liao 1990_ | Table 2, p. 2, row 14; `ORC-VSUN6QU53V` |  |
| 1063.15 | eutectic: L->(δCe)+B4Ce | L: B 0.01; (δCe): B 0; B4Ce: B 0.8 | experimental | [2] Wang 2013; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 3, p. 4, row 5; `ORC-WAA5IB7UXY` |  |
| 1063 | eutectic: L -> δ-Ce + CeB4 | L: B 0.01; CeB4: B 0.8 | experimental | [3] Li 2020; _cites ref. 23_ | Table 7, p. 29, row 16; `ORC-BWCBJIZY7K` |  |
| 1063 | eutectic: L -> δ-Ce + CeB4 | L: B 0.01; CeB4: B 0.8 | unspecified | [3] Li 2020; _cites ref. 24_ | Table 7, p. 29, row 17; `ORC-CE3WWG5NO7` |  |
| 1061.95 | eutectic: L -> δ(Ce) + B4Ce | L: B 0.005; δ(Ce): B 0; B4Ce: B 0.8 | model | [1] Premović 2017 | Table 7, p. 9, row 10; `ORC-DIRLEFLWTY` |  |
| 1061.8 | eutectic: L -> δ-Ce + CeB4 | L: B 0.01; CeB4: B 0.8 | model | [3] Li 2020; _cites ref. 21_ | Table 7, p. 29, row 18; `ORC-73LQCF5WPU` |  |
| 1058.3 | eutectic: L -> δ-Ce + CeB4 | L: B 0.006; CeB4: B 0.8 | model | [3] Li 2020 | Table 7, p. 29, row 20; `ORC-T25TEFJZV7` |  |
| 1058.15 | eutectic: L -> B4Ce + δ(Ce) | L: B 0.01; B4Ce: B 0.8; δ(Ce): B 0 | experimental | [1] Premović 2017; _cites Brewer 1951_ | Table 2, p. 2, row 13; `ORC-3DPCXOCQ6T` |  |
| 1058.15 | eutectic: L -> δ(Ce) + B4Ce | L: B 0.01; δ(Ce): B 0; B4Ce: B 0.8 | experimental | [1] Premović 2017; _cites Brewer 1951_ | Table 7, p. 9, row 11; `ORC-OOTM4FJLV6` |  |
| 1000 | δ(Ce) + B4Ce -> γ(Ce) | δ(Ce): B 0; B4Ce: B 0.8 | model | [1] Premović 2017 | Table 7, p. 9, row 7; `ORC-5A6YQK5ECA` |  |
| 999.95 | peritectoid: δ(Ce) + B4Ce -> γ(Ce) | δ(Ce): B 0; B4Ce: B 0.8 | model | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 2, p. 2, row 12; `ORC-F5LCMKUHPR` |  |
| 999.95 | peritectic: L+(δCe)->(γCe) | L: B 0.001; (δCe): B 0; (γCe): B 0 | model | [2] Wang 2013 | Table 3, p. 4, row 4; `ORC-IHL4RXIFSQ` |  |
| 999.95 | δ(Ce) + B4Ce -> γ(Ce) | δ(Ce): B 0; B4Ce: B 0.8 | model | [1] Premović 2017; _cites Wang 2013_ [doi](https://doi.org/10.1016/j.calphad.2013.03.001) | Table 7, p. 9, row 9; `ORC-OITU2FYH6K` |  |
| 999.9 | eutectoid: δ-Ce + CeB4 -> γ-Ce | CeB4: B 0.8 | model | [3] Li 2020; _cites ref. 22_ | Table 7, p. 29, row 24; `ORC-EQM757ERDJ` |  |
| 999.8 | eutectoid: δ-Ce + CeB4 -> γ-Ce | CeB4: B 0.8 | model | [3] Li 2020; _cites ref. 21_ | Table 7, p. 29, row 23; `ORC-BO5AGOABAQ` |  |
| 999.8 | eutectoid: δ-Ce + CeB4 -> γ-Ce | CeB4: B 0.8 | model | [3] Li 2020 | Table 7, p. 29, row 25; `ORC-MD5MBO65PD` |  |
| 999.15 | peritectoid: δ(Ce) + B4Ce -> γ(Ce) | δ(Ce): B 0; B4Ce: B 0.8 | unspecified | [1] Premović 2017; _cites Liao 1990_ | Table 2, p. 2, row 11; `ORC-6GHZSMLVML` |  |
| 999.15 | peritectic: L+(δCe)->(γCe) | L: B 0.001; (δCe): B 0; (γCe): B 0 | experimental | [2] Wang 2013; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 3, p. 4, row 3; `ORC-IXKFS6YHQH` |  |
| 999.15 | δ(Ce) + B4Ce -> γ(Ce) | δ(Ce): B 0; B4Ce: B 0.8 | experimental | [1] Premović 2017; _cites Liao 1990_ | Table 7, p. 9, row 8; `ORC-S6QFNOKFZZ` |  |
| 999 | eutectoid: δ-Ce + CeB4 -> γ-Ce | CeB4: B 0.8 | experimental | [3] Li 2020; _cites ref. 23_ | Table 7, p. 29, row 21; `ORC-A53YQ2J2VG` |  |
| 999 | eutectoid: δ-Ce + CeB4 -> γ-Ce | CeB4: B 0.8 | unspecified | [3] Li 2020; _cites ref. 24_ | Table 7, p. 29, row 22; `ORC-HTSEJZBDXF` |  |

## 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, B–Ce system (21)

| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---:|---:|---|---:|---:|---|---|---|
| B4Ce |  | -65.034 kJ/mol-atom |  | DFT |  |  | [1] Premović 2017 | Table 6, p. 8, row 8; `ORC-XBERMTGZVT` |  |
| B4Ce |  | -62.7 kJ/mol-atom |  | DFT |  |  | [1] Premović 2017; _cites Persson 2016_ | Table 6, p. 8, row 6; `ORC-MQ3N5VT3XO` |  |
| B4Ce | [CeB4](https://data.orchid-project.org/compounds/CeB4.html) | -53.5 kJ/mol-atom ± 1.5 | 298.15 | experimental | -60.568 (mp-aaaaacxy) | -50.107 (oqmd-4683) | [1] Premović 2017; _cites Samsonov 1956_ | Table 6, p. 8, row 2; `ORC-QCFZKOEYX3` |  |
| B4Ce | [CeB4](https://data.orchid-project.org/compounds/CeB4.html) | -51.339 kJ/mol-atom |  | model | -60.568 (mp-aaaaacxy) | -50.107 (oqmd-4683) | [1] Premović 2017 | Table 6, p. 8, row 4; `ORC-LUWIRZXFIS` |  |
| B6Ce |  | -53.76 kJ/mol-atom |  | DFT |  |  | [1] Premović 2017 | Table 6, p. 8, row 7; `ORC-JGIDKJM3EQ` |  |
| B6Ce |  | -51.8 kJ/mol-atom |  | DFT |  |  | [1] Premović 2017; _cites Persson 2016_ | Table 6, p. 8, row 5; `ORC-XJS2HXN6B6` |  |
| B6Ce | [CeB6](https://data.orchid-project.org/compounds/CeB6.html) | -48.4 kJ/mol-atom ± 9.6 | 298.15 | experimental | -49.747 (mp-aaaabfox) | -47.134 (oqmd-655892) | [1] Premović 2017; _cites Samsonov 1956_ | Table 6, p. 8, row 1; `ORC-F6ZPQE7FEV` |  |
| B6Ce | [CeB6](https://data.orchid-project.org/compounds/CeB6.html) | -46.457 kJ/mol-atom |  | model | -49.747 (mp-aaaabfox) | -47.134 (oqmd-655892) | [1] Premović 2017 | Table 6, p. 8, row 3; `ORC-VWSFL45LHF` |  |
| CeB4 |  | -60.385 kJ/mol-atom |  | DFT |  |  | [3] Li 2020; _cites ref. 31_ | Table 2, p. 25, row 4; `ORC-GFLVH44A2I` |  |
| CeB4 | [CeB4](https://data.orchid-project.org/compounds/CeB4.html) | -56.288 kJ/mol-atom |  | model | -60.568 (mp-aaaaacxy) | -50.107 (oqmd-4683) | [3] Li 2020 | Table 2, p. 25, row 6; `ORC-V4BX7JUTBC` |  |
| CeB4 | [CeB4](https://data.orchid-project.org/compounds/CeB4.html) | -53.62 kJ/mol-atom |  | model | -60.568 (mp-aaaaacxy) | -50.107 (oqmd-4683) | [3] Li 2020; _cites ref. 21_ | Table 2, p. 25, row 1; `ORC-34KIRCKO2K` |  |
| CeB4 | [CeB4](https://data.orchid-project.org/compounds/CeB4.html) | -53.5 kJ/mol-atom ± 1.5 |  | experimental | -60.568 (mp-aaaaacxy) | -50.107 (oqmd-4683) | [3] Li 2020; _cites ref. 30_ | Table 2, p. 25, row 3; `ORC-SQH32E73M5` |  |
| CeB4 | [CeB4](https://data.orchid-project.org/compounds/CeB4.html) | -51.339 kJ/mol-atom |  | model | -60.568 (mp-aaaaacxy) | -50.107 (oqmd-4683) | [3] Li 2020; _cites ref. 22_ | Table 2, p. 25, row 2; `ORC-3GHGTQWAYY` |  |
| CeB4 |  | -49.904 kJ/mol-atom | 298.15 | DFT |  |  | [3] Li 2020; _cites ref. 32_ | Table 2, p. 25, row 5; `ORC-XGTVCVN6TQ` |  |
| CeB6 | [CeB6](https://data.orchid-project.org/compounds/CeB6.html) | -50.541 kJ/mol-atom |  | model | -49.747 (mp-aaaabfox) | -47.134 (oqmd-655892) | [3] Li 2020; _cites ref. 21_ | Table 2, p. 25, row 7; `ORC-IUGO57O337` |  |
| CeB6 |  | -49.712 kJ/mol-atom |  | DFT |  |  | [3] Li 2020; _cites ref. 31_ | Table 2, p. 25, row 11; `ORC-UI2EPQXZ4K` |  |
| CeB6 | [CeB6](https://data.orchid-project.org/compounds/CeB6.html) | -48.531 kJ/mol-atom |  | model | -49.747 (mp-aaaabfox) | -47.134 (oqmd-655892) | [3] Li 2020 | Table 2, p. 25, row 13; `ORC-LKEGXLTLTZ` |  |
| CeB6 | [CeB6](https://data.orchid-project.org/compounds/CeB6.html) | -48.4 kJ/mol-atom ± 9.6 | 298.15 | experimental | -49.747 (mp-aaaabfox) | -47.134 (oqmd-655892) | [3] Li 2020; _cites ref. 28_ | Table 2, p. 25, row 9; `ORC-F32LQZQFFN` |  |
| CeB6 |  | -47.019 kJ/mol-atom |  | DFT |  |  | [3] Li 2020; _cites ref. 32_ | Table 2, p. 25, row 12; `ORC-KRUBROJEN2` |  |
| CeB6 | [CeB6](https://data.orchid-project.org/compounds/CeB6.html) | -46.457 kJ/mol-atom |  | model | -49.747 (mp-aaaabfox) | -47.134 (oqmd-655892) | [3] Li 2020; _cites ref. 22_ | Table 2, p. 25, row 8; `ORC-222WNLFB7X` |  |
| CeB6 | [CeB6](https://data.orchid-project.org/compounds/CeB6.html) | -30.6 kJ/mol-atom ± 27 | 298.15 | experimental | -49.747 (mp-aaaabfox) | -47.134 (oqmd-655892) | [3] Li 2020; _cites ref. 29_ | Table 2, p. 25, row 10; `ORC-GMCIHR72HZ` |  |

## Other properties

### Phase transition (19)

Table: Phase transition, B–Ce system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Phase transition | 998.45 K | 998.45 | peritectoid: δ(Ce) + B4Ce → γ(Ce) + B4Ce; _alloy: B 0.155, Ce 0.845_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 7; `ORC-QDJO35QCSE` |  |
| Phase transition | 998.95 K | 998.95 | peritectoid: δ(Ce) + B4Ce → γ(Ce) + B4Ce; _alloy: B 0.049, Ce 0.951_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 1; `ORC-G2QEVQOZJV` |  |
| Phase transition | 999.85 K | 999.85 | peritectoid: δ(Ce) + B4Ce → γ(Ce) + B4Ce; _alloy: B 0.092, Ce 0.908_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 4; `ORC-SNOJ7EQQBK` |  |
| Phase transition | 1000.75 K | 1000.75 | peritectoid: δ(Ce) + B4Ce → γ(Ce) + B4Ce; _alloy: B 0.19, Ce 0.81_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 10; `ORC-UAG4DKWDRG` |  |
| Phase transition | 1058.45 K | 1058.45 | eutectic: L → B4Ce + δ(Ce); _alloy: B 0.155, Ce 0.845_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 8; `ORC-PWQ2N7ZJFM` |  |
| Phase transition | 1059.85 K | 1059.85 | eutectic: L → B4Ce + δ(Ce); _alloy: B 0.092, Ce 0.908_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 5; `ORC-QLCAKABLKC` |  |
| Phase transition | 1061.75 K | 1061.75 | eutectic: L → B4Ce + δ(Ce); _alloy: B 0.19, Ce 0.81_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 11; `ORC-CXYZAQ6NBC` |  |
| Phase transition | 1061.95 K | 1061.95 | eutectic: L → B4Ce + δ(Ce); _alloy: B 0.049, Ce 0.951_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 2; `ORC-C3OQAURJDY` |  |
| Phase transition | 1071.15 K | 1071.15 | congruent melting: L->(δCe); _(δCe): B 0_ | experimental | [2] Wang 2013; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 3, p. 4, row 1; `ORC-VHRCK5SZ4B` |  |
| Phase transition | 1071.95 K | 1071.95 | congruent melting: L->(δCe); _(δCe): B 0_ | model | [2] Wang 2013 | Table 3, p. 4, row 2; `ORC-AKUUZEP6EP` |  |
| Phase transition | 2348.15 K | 2348.15 | congruent melting: L->(βB); _(βB): B 1_ | model | [2] Wang 2013 | Table 3, p. 4, row 16; `ORC-5TR3MDV3CH` |  |
| Phase transition | 2365.15 K | 2365.15 | congruent melting: L->(βB); _(βB): B 1_ | experimental | [2] Wang 2013; _cites M 1932_ | Table 3, p. 4, row 15; `ORC-6M3C7JJVET` |  |
| Phase transition | 2603 K | 2603 | congruent melting: L -> CeB6; _L: B 0.857; CeB6: B 0.857143_ | unspecified | [3] Li 2020; _cites ref. 24_ | Table 7, p. 29, row 2; `ORC-CGMGAQPINH` |  |
| Phase transition | 2603 K | 2603 | congruent melting: L -> CeB6; _L: B 0.857; CeB6: B 0.857143_ | model | [3] Li 2020; _cites ref. 21_ | Table 7, p. 29, row 3; `ORC-CZ7D77CZVK` |  |
| Phase transition | 2603 K | 2603 | congruent melting: L -> CeB6; _L: B 0.857; CeB6: B 0.857143_ | experimental | [3] Li 2020; _cites ref. 23_ | Table 7, p. 29, row 1; `ORC-V2E6ZHDHII` |  |
| Phase transition | 2603.1 K | 2603.1 | congruent melting: L -> CeB6; _L: B 0.857; CeB6: B 0.857143_ | model | [3] Li 2020 | Table 7, p. 29, row 5; `ORC-UMQXJMID4G` |  |
| Phase transition | 2603.15 K | 2603.15 | congruent melting: L->B6Ce; _L: B 0.857; B6Ce: B 0.857_ | experimental | [2] Wang 2013; _cites Liao 1997_ [doi](https://doi.org/10.1007/bf02647853) | Table 3, p. 4, row 10; `ORC-ACPYVZY3LN` |  |
| Phase transition | 2603.45 K | 2603.45 | congruent melting: L->B6Ce; _L: B 0.857; B6Ce: B 0.857_ | model | [2] Wang 2013 | Table 3, p. 4, row 11; `ORC-5LHT7D7JBR` |  |
| Phase transition | 2604 K | 2604 | congruent melting: L -> CeB6; _L: B 0.857; CeB6: B 0.857143_ | model | [3] Li 2020; _cites ref. 22_ | Table 7, p. 29, row 4; `ORC-LQNMHZVFG6` |  |

### Phase equilibrium (13)

Table: Phase equilibrium, B–Ce system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Phase composition |  | 863.15 | γ(Ce) + B4Ce + CeO2; _γ(Ce): B 0.001, Ce 0.999; B4Ce: B 0.806, Ce 0.194_ | experimental | [1] Premović 2017 | Table 3, p. 3, row 5; `ORC-DTZZF327PA` |  |
| Phase composition |  | 863.15 | γ(Ce) + B4Ce + CeO2; _γ(Ce): B 0.009, Ce 0.991; B4Ce: B 0.802, Ce 0.198_ | experimental | [1] Premović 2017 | Table 3, p. 3, row 7; `ORC-FBITWXSBU5` |  |
| Phase composition |  | 863.15 | γ(Ce) + B4Ce + CeO2; _γ(Ce): B 0.001, Ce 0.999; B4Ce: B 0.805, Ce 0.195_ | experimental | [1] Premović 2017 | Table 3, p. 3, row 8; `ORC-GO76CI4UKX` |  |
| Phase composition |  | 863.15 | γ(Ce) + B4Ce + CeO2; _γ(Ce): B 0.011, Ce 0.989; B4Ce: B 0.793, Ce 0.207_ | experimental | [1] Premović 2017 | Table 3, p. 3, row 4; `ORC-IVW7TDSJKW` |  |
| Phase composition |  | 863.15 | γ(Ce) + B4Ce + CeO2; _γ(Ce): B 0.005, Ce 0.995; B4Ce: B 0.802, Ce 0.198_ | experimental | [1] Premović 2017 | Table 3, p. 3, row 3; `ORC-KXRP24375Y` |  |
| Phase composition |  | 863.15 | γ(Ce) + B4Ce + CeO2; _γ(Ce): B 0.002, Ce 0.998; B4Ce: B 0.792, Ce 0.208_ | experimental | [1] Premović 2017 | Table 3, p. 3, row 2; `ORC-OQL5FKZEBS` |  |
| Phase composition |  | 863.15 | γ(Ce) + B4Ce + CeO2; _γ(Ce): B 0.005, Ce 0.995; B4Ce: B 0.811, Ce 0.189_ | experimental | [1] Premović 2017 | Table 3, p. 3, row 9; `ORC-QLYWNOAZ4O` |  |
| Phase composition |  | 863.15 | γ(Ce) + B4Ce + CeO2; _γ(Ce): B 0.014, Ce 0.986; B4Ce: B 0.81, Ce 0.19_ | experimental | [1] Premović 2017 | Table 3, p. 3, row 6; `ORC-RLV4SAJCHZ` |  |
| Phase composition |  | 863.15 | γ(Ce) + CeO2; _γ(Ce): B 0, Ce 1_ | experimental | [1] Premović 2017 | Table 3, p. 3, row 1; `ORC-CBJWYSVTGL` |  |
| Phase composition |  | 1251.95 | other: Sample 2 (B4.9Ce95.1); _liquid: B 0.049, Ce 0.951_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 3; `ORC-CE7K37I773` |  |
| Phase composition |  | 1409.85 | other: Sample 3 (B9.2Ce90.8); _liquid: B 0.092, Ce 0.908_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 6; `ORC-ZL2MI4FREL` |  |
| Phase composition |  | 1558.45 | other: Sample 4 (B15.5Ce84.5); _liquid: B 0.155, Ce 0.845_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 9; `ORC-PKKHJMPKEA` |  |
| Phase composition |  | 1681.75 | other: Sample 5 (B19.0Ce81.0); _liquid: B 0.19, Ce 0.81_ | experimental | [1] Premović 2017 | Table 4, p. 5, row 12; `ORC-RCYFE73OCD` |  |

### Crystal structure (6)

Table: Crystal structure, B–Ce system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Lattice a | 7.2034 not_printed | 298.15 | B4Ce; _alloy: Ce 0.2_ | experimental | [1] Premović 2017; _cites Babizhetsky 2007_ [doi](https://doi.org/10.1515/znb-2007-0704) | Table 1, p. 2, row 5; `ORC-5KXINXDMGH.adf9d7` |  |
| Lattice a | 4.1403 not_printed | 298.15 | B6Ce; _alloy: Ce 0.142857_ | unspecified | [1] Premović 2017; _cites Komatsubara 1983_ [doi](https://doi.org/10.1016/0304-8853%2883%2990285-8) | Table 1, p. 2, row 6; `ORC-UYPNDVWPXF.00c444` |  |
| Lattice b | 7.2034 not_printed | 298.15 | B4Ce; _alloy: Ce 0.2_ | experimental | [1] Premović 2017; _cites Babizhetsky 2007_ [doi](https://doi.org/10.1515/znb-2007-0704) | Table 1, p. 2, row 5; `ORC-5KXINXDMGH.1f0c8c` |  |
| Lattice b | 4.1403 not_printed | 298.15 | B6Ce; _alloy: Ce 0.142857_ | unspecified | [1] Premović 2017; _cites Komatsubara 1983_ [doi](https://doi.org/10.1016/0304-8853%2883%2990285-8) | Table 1, p. 2, row 6; `ORC-UYPNDVWPXF.b66a51` |  |
| Lattice c | 4.1006 not_printed | 298.15 | B4Ce; _alloy: Ce 0.2_ | experimental | [1] Premović 2017; _cites Babizhetsky 2007_ [doi](https://doi.org/10.1515/znb-2007-0704) | Table 1, p. 2, row 5; `ORC-5KXINXDMGH.73daaf` |  |
| Lattice c | 4.1403 not_printed | 298.15 | B6Ce; _alloy: Ce 0.142857_ | unspecified | [1] Premović 2017; _cites Komatsubara 1983_ [doi](https://doi.org/10.1016/0304-8853%2883%2990285-8) | Table 1, p. 2, row 6; `ORC-UYPNDVWPXF.90a570` |  |

## Sources

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

1. Milena Premović, Yong Du, Fan Zhang, Bo Sundman, Duško Minić, Biao Hu, Phase equilibria in the ternary B-Ce-Cu system with a thermodynamic reassessment of the binary B-Ce system, Thermochimica Acta 657, 185-196 (2017). [doi:10.1016/j.tca.2017.10.006](https://doi.org/10.1016/j.tca.2017.10.006)
2. C.P. Wang, Y. Shi, D. Wang, Y. Lu, D.L. Zhao, X.J. Liu, Thermodynamic assessment of the B–Ce and B–Pr systems, Calphad 41, 150-155 (2013). [doi:10.1016/j.calphad.2013.03.001](https://doi.org/10.1016/j.calphad.2013.03.001)
3. S. Li, M.H. Rong, L. Xu, Q. Wei, J. Wang, G.H. Rao et al., Thermodynamic assessment of the RE-B (RE = Ce, Dy, Lu) binary systems, Calphad 68, 101740 (2020). [doi:10.1016/j.calphad.2020.101740](https://doi.org/10.1016/j.calphad.2020.101740)

## 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-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); 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); 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.

```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_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/).