Promethium — P6_3/mmc
Pm
← Allotrope of Promethium
A crystalline allotrope of Promethium (space group P6_3/mmc), sourced from the Materials Project (mp-aaabxivw).
Medium
Gallery-wrapped canvas on a solid wood stretcher, ready to hang.
$65.00
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Crystallography
| Formula | Pm |
| Crystal system | triclinic |
| Space group | P6_3/mmc |
| Lattice (a, b, c) Å | 3.676181, 3.676181, 11.799111 |
| Angles (α, β, γ) ° | 90, 90, 120.000009 |
| Density (g/cm³) | 6.974344690689938 |
Structure data: Materials Project · CC BY 4.0