Symmetry Lab › C2h › trans-1,2-Difluoroethene
C₂H₂F₂ (trans) trans-1,2-Difluoroethene
Planar, trans · point group C2h · order 4
- Point group
- C2h — A C2 rotation axis and a horizontal mirror plane perpendicular to it, which together give a centre of inversion.
- Order
- 4
- Operations
- E, C₂, i, σh
- Shape
- Planar, trans
- Atoms
- 6 (C × 2, F × 2, H × 2)
Symmetry elements of C₂H₂F₂ (trans)
- C₂ — perpendicular to the plane, through the C=C midpoint
- i — centre of inversion
- σh — the plane of the molecule
Structure
- C=C 1.34 Å, C–F 1.34 Å
- F–C=C 123°
- F on opposite sides; no dipole
