Samarium (Rhombohedral)
allotrope
Sm
The stable room-temperature form of samarium, with a unique layered rhombohedral structure
← Allotrope of Samarium
A crystalline allotrope of Samarium (space group R -3 m :R), sourced from the Crystallography Open Database (COD 9014498).
Material
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Crystallography
| Catalogue identity | Samarium — R -3 m :R - R -3 m :R |
| Formula | Sm |
| Crystal system | trigonal |
| Space group | R -3 m :R |
| Lattice (a, b, c) Å | 8.996, 8.996, 8.996 |
| Angles (α, β, γ) ° | 23.22, 23.22, 23.22 |
| Density (g/cm³) | 7.54 |
| Determination | Experimental (measured) |
Structure data: Crystallography Open Database · Public domain (CC0)
