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Symmetry Lab4AB · ABC Chemistry

Symmetry Lab › C2v › Ketene

CH₂=C=O Ketene

Planar · point group C2v · order 4

Open CH₂=C=O 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
Atoms
5 (C × 2, O, H × 2)

Symmetry elements of CH₂=C=O

  • C₂ — along C=C=O
  • σᵥ (xz) — the plane of the molecule
  • σᵥ′ (yz) — perpendicular to the molecule, along C=C=O

Structure

  • C=C 1.31 Å, C=O 1.16 Å
  • H–C–H 122°; C=C=O linear
  • A reactive cumulene
Ketene (CH2CO) — C2v symmetry elements
Ketene: 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