Symmetry Lab › C5v › Corannulene
C₂₀H₁₀ Corannulene
Bowl: a pentagon ringed by five hexagons · point group C5v · order 10
- Point group
- C5v — A C5 rotation axis and 5 vertical mirror planes that contain it.
- Order
- 10
- Operations
- E, 2C₅, 2C₅², 5σᵥ
- Shape
- Bowl: a pentagon ringed by five hexagons
- Atoms
- 30 (C × 20, H × 10)
Symmetry elements of C₂₀H₁₀
- C₅ — through the centre of the bowl
- σᵥ (1) — contains the axis and one hub carbon
- σᵥ (2) — contains the axis and one hub carbon
- σᵥ (3) — contains the axis and one hub carbon
- σᵥ (4) — contains the axis and one hub carbon
- σᵥ (5) — contains the axis and one hub carbon
Structure
- Bowl depth ≈ 0.9 Å
- One fifth of a C₆₀ surface
- Inverts through a flat transition state
