Symmetry Lab › Point groups › S4
S4 point group
An S4 improper rotation axis (rotate, then reflect) with no mirror plane; it contains a C2 axis.
- Family
- Improper rotation (S₂ₙ)
- Order
- 4
- Operations
- E, S₄, C₂, S₄³
- Molecules in the lab
- 1
S4 molecules
| Molecule | Shape | Atoms | 3D model |
|---|---|---|---|
| C₈H₄(CH₃)₄1,3,5,7-Tetramethylcyclo-octatetraene (methyl C shown) | Tub with four methyls | 16 | Open in 3D → |