Unit cell
- Lattice constants
- a = 3.750 Å, b = 3.750 Å, c = 3.750 Å; α = 90°, β = 90°, γ = 90°
- Cell volume
- 52.7 ų
- Atoms in the cell
- 4 (Re 1, O 3)
- Formula units Z
- 1
- Calculated density
- 7.37 g cm⁻³
- Shortest contact
- 1.875 Å
Coordination
- Re
- CN 6 at 1.88 Å (6 O)
- O
- CN 2 at 1.88 Å (2 Re)
About the structure
- Perovskite with the A site empty: a 3D framework of corner-sharing ReO₆ octahedra.
- Coordination: Re 6, O 2 (linear Re–O–Re).
- Metallic conductor; WO₃ is a distorted version of this framework.
Atom positions (fractional, one cell)
| Atom | x | y | z |
|---|---|---|---|
| Re | 0.0000 | 0.0000 | 0.0000 |
| O | 0.5000 | 0.0000 | 0.0000 |
| O | 0.0000 | 0.5000 | 0.0000 |
| O | 0.0000 | 0.0000 | 0.5000 |
Z, coordination numbers, distances, density and packing on this page are computed from these coordinates.
Other oxides & frameworks
Perovskite (ideal cubic)SrTiO₃ · ABO₃SpinelMgAl₂O₄ · AB₂O₄CorundumAl₂O₃ · A₂B₃CupriteCu₂O · A₂BPyriteFeS₂ · AB₂ with S₂²⁻ pairsCalciteCaCO₃ · CarbonateMolybdeniteMoS₂ · Layered AB₂, 6:3ScheeliteCaWO₄ · ABO₄ tetrahedral oxo-anionMagnetite (inverse spinel)Fe₃O₄ · Inverse spinel AB₂O₄Ice Ih (oxygen framework)H₂O · Hydrogen-bonded network