Silicon (High-Pressure Phase II)
allotrope
Si
A rare form of silicon that only exists under extreme pressure
← Allotrope of Silicon
A crystalline allotrope of Silicon (space group I m m a), sourced from the Crystallography Open Database (COD 9011656).
Material
Enhanced matte art paper - 200 gsm heavyweight fine art stock with a smooth, natural-white finish, giclée-printed in pigment archival inks for glare-free, long-lasting colour.
Frame
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Orientation
Caption
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Crystallography
| Catalogue identity | Silicon — I m m a - I m m a |
| Formula | Si |
| Crystal system | orthorhombic |
| Space group | I m m a |
| Lattice (a, b, c) Å | 4.737, 4.502, 2.55 |
| Angles (α, β, γ) ° | 90, 90, 90 |
| Density (g/cm³) | 3.43 |
| Determination | Experimental (measured) |
Structure data: Crystallography Open Database · Public domain (CC0)
