Symmetry Lab › Point groups › D8h
D8h point group
A C8 principal axis, 8 perpendicular C2 axes and a horizontal mirror plane; these also give 8 vertical planes and a centre of inversion.
- Family
- Prismatic (Dₙₕ)
- Order
- 32
- Operations
- E, 2C₈, 2C₈³, 2C₄, C₂, 4C₂′, 4C₂″, i, 2S₈, 2S₈³, 2S₄, σh, 4σᵥ, 4σd
- Molecules in the lab
- 2
D8h molecules
| Molecule | Shape | Atoms | 3D model |
|---|---|---|---|
| C₈H₈²⁻Cyclo-octatetraene dianion (planar) | Planar 8-membered ring | 16 | Open in 3D → |
| U(C₈H₈)₂Uranocene | Sandwich of two planar C₈H₈ rings, eclipsed | 33 | Open in 3D → |