Symmetry Lab › D2h › Anthracene
C₁₄H₁₀ Anthracene
Three fused rings in a row, planar · point group D2h · order 8
- Point group
- D2h — A C2 principal axis, 2 perpendicular C2 axes and a horizontal mirror plane; these also give 2 vertical planes and a centre of inversion.
- Order
- 8
- Operations
- E, C₂(z), C₂(y), C₂(x), i, σ(xy), σ(xz), σ(yz)
- Shape
- Three fused rings in a row, planar
- Atoms
- 24 (C × 14, H × 10)
Symmetry elements of C₁₄H₁₀
- C₂ (z) — perpendicular to the molecular plane
- C₂ (y) — in the molecular plane
- C₂ (x) — in the molecular plane
- i — centre of inversion
- σ (xy) — the plane of the molecule
- σ (xz) — perpendicular to the molecule
- σ (yz) — perpendicular to the molecule
Structure
- C–C 1.36–1.44 Å (one length shown)
- Planar; 14 π electrons
- Same point group as naphthalene
