H–Sr system
8 accepted literature values from 1 paper(s) (experimental 8); 0 calculated phase diagram(s).
Data: JSON · CSV · interactive explorer · phases (7) · papers (bibliography) · Markdown
| Evidence class | Values |
|---|---|
| experimental | 8 |
| Property group | Values |
|---|---|
| formation | 5 |
| crystal structure | 3 |
Convex hulls: Materials Project DFT hull · OQMD DFT hull
Formation enthalpies
Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.
| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---|---|---|---|---|---|---|---|
| αSrH2 | -197 kJ/mol (basis unstated) | 298.15 | experimental | [1] Chen 2012 cites Banus 1957 | Table 1, p. 2, row 3 report | ||||
| αSrH2 | -183 kJ/mol (basis unstated) ± 3 | 298.15 | experimental | [1] Chen 2012 cites Peterson 1980 doi | Table 1, p. 2, row 4 report | ||||
| αSrH2 | -180 kJ/mol (basis unstated) | 298.15 | experimental | [1] Chen 2012 cites Ehrlich 1963 doi | Table 1, p. 2, row 2 report | ||||
| αSrH2 | -176 kJ/mol (basis unstated) | 298.15 | experimental | [1] Chen 2012 cites Guntz 1923 | Table 1, p. 2, row 1 report | ||||
| βSrH2 | -189 kJ/mol (basis unstated) ± 8 | 298.15 | experimental | [1] Chen 2012 cites Peterson 1980 doi | Table 1, p. 2, row 5 report |
Other properties
Crystal structure (3)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Lattice a | 6.364 Å | 1128.15 (<) | αSrH2 alloy: Sr 0.333333 | experimental | [1] Chen 2012 cites Zintl 1935 | Table 2, p. 2, row 8 report | |
| Lattice b | 3.875 Å | 1128.15 (<) | αSrH2 alloy: Sr 0.333333 | experimental | [1] Chen 2012 cites Zintl 1935 | Table 2, p. 2, row 8 report | |
| Lattice c | 7.343 Å | 1128.15 (<) | αSrH2 alloy: Sr 0.333333 | experimental | [1] Chen 2012 cites Zintl 1935 | Table 2, p. 2, row 8 report |
Sources
Reporting papers the values were read from (a value cited from another work names that work in its row).
- Chong Chen, Man Wang, Yong Du, Qiannan Gao, Biao Hu, Shuhong Liu, Thermodynamic modeling of the Sr–X (X=H, Li, Na, Sc) systems, Calphad 38, 17-22 (2012). doi:10.1016/j.calphad.2012.03.001