Oxygen (γ phase)
allotrope
O
A rhombohedral solid phase of oxygen found at intermediate pressures
← Allotrope of Oxygen
A crystalline allotrope of Oxygen (space group R -3 m :H), sourced from the Crystallography Open Database (COD 9017506).
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Crystallography
| Catalogue identity | Oxygen — R -3 m :H - R -3 m :H |
| Formula | O |
| Crystal system | trigonal |
| Space group | R -3 m :H |
| Lattice (a, b, c) Å | 2.826, 2.826, 10.16 |
| Angles (α, β, γ) ° | 90, 90, 120 |
| Density (g/cm³) | 2.268 |
| Determination | Experimental (measured) |
Structure data: Crystallography Open Database · Public domain (CC0)





