Symmetry Lab › D3d › Cyclo-hexasulfur (chair)
S₆ Cyclo-hexasulfur (chair)
Chair · point group D3d · order 12
- Point group
- D3d — A C3 principal axis, 3 perpendicular C2 axes and 3 dihedral mirror planes that bisect them; the principal axis is also an S6 axis.
- Order
- 12
- Operations
- E, 2C₃, 3C₂, i, 2S₆, 3σd
- Shape
- Chair
- Atoms
- 6 (S × 6)
Symmetry elements of S₆
- C₃ — through the centre of the ring
- C₂ (1) — through the midpoints of two opposite S–S bonds
- C₂ (2) — through the midpoints of two opposite S–S bonds
- C₂ (3) — through the midpoints of two opposite S–S bonds
- i — centre of inversion
- S₆ — rotate 60°, then reflect
- σd (1) — contains the C₃ axis and two opposite S atoms
- σd (2) — contains the C₃ axis and two opposite S atoms
- σd (3) — contains the C₃ axis and two opposite S atoms
Structure
- S–S 2.06 Å
- S–S–S 102°
- A chair like cyclohexane, with no hydrogens
