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Symmetry Lab4AB · ABC Chemistry

Symmetry Lab › C2v › cis-1,2-Dichloroethene

C₂H₂Cl₂ (cis) cis-1,2-Dichloroethene

Planar, cis · point group C2v · order 4

Open C₂H₂Cl₂ (cis) in 3D →

Point group
C2v — A C2 rotation axis and 2 vertical mirror planes that contain it.
Order
4
Operations
E, C₂, σᵥ(xz), σᵥ′(yz)
Shape
Planar, cis
Atoms
6 (C × 2, Cl × 2, H × 2)

Symmetry elements of C₂H₂Cl₂ (cis)

  • C₂ — bisects the C=C bond, in the molecular plane
  • σᵥ (xz) — the plane of the molecule
  • σᵥ′ (yz) — perpendicular to the molecule, bisecting C=C

Structure

  • C=C 1.34 Å, C–Cl 1.72 Å
  • Cl–C=C 123°
  • Both Cl on the same side; a polar molecule
cis-1,2-Dichloroethene (C2H2Cl2 (cis)) — C2v symmetry elements
cis-1,2-Dichloroethene: symmetry elements of the C2v point group

Other C2v molecules

ClO₂Chlorine dioxideClO₂⁻Chlorite ionH₂SHydrogen sulfideNO₂⁻Nitrite ionNO₂Nitrogen dioxideOF₂Oxygen difluorideO₃OzoneSF₂Sulfur difluorideSO₂Sulfur dioxideH₂OWaterXeO₂Xenon dioxide (as an isolated molecule)BrF₃Bromine trifluoride

Open in the 3D lab →  ·  All C2v molecules  ·  All point groups