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Symmetry Lab › C2v › Formate ion

HCO₂⁻ Formate ion

Planar (H on the C₂ axis) · point group C2v · order 4

Open HCO₂⁻ 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 (H on the C₂ axis)
Atoms
4 (C, O × 2, H)

Symmetry elements of HCO₂⁻

  • C₂ — bisects the bond angle
  • σᵥ (xz) — the plane of the molecule
  • σᵥ′ (yz) — perpendicular to the molecule, through the central atom

Structure

  • C–O 1.25 Å (both equal)
  • O–C–O 130°
  • Charge −1, delocalised
Formate ion (HCO2-) — C2v symmetry elements
Formate ion: 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