Symmetry Lab › D2h › Iodine trichloride dimer
I₂Cl₆ Iodine trichloride dimer
Planar bridged dimer · 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
- Planar bridged dimer
- Atoms
- 8 (I × 2, Cl × 6)
Symmetry elements of I₂Cl₆
- 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
- I–Cl terminal 2.39 Å, bridging 2.70 Å
- Completely planar
- Each I is square planar (AX₄E₂)
