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Symmetry Lab › C3v › Sulfite ion

SO₃²⁻ Sulfite ion

Trigonal pyramidal · point group C3v · order 6

Open SO₃²⁻ in 3D →

Point group
C3v — A C3 rotation axis and 3 vertical mirror planes that contain it.
Order
6
Operations
E, 2C₃, 3σᵥ
Shape
Trigonal pyramidal
Atoms
4 (S, O × 3)

Symmetry elements of SO₃²⁻

  • C₃ — through S, perpendicular to the O₃ plane
  • σᵥ (1) — contains the C₃ axis and one S–O bond
  • σᵥ (2) — contains the C₃ axis and one S–O bond
  • σᵥ (3) — contains the C₃ axis and one S–O bond

Structure

  • S–O 1.53 Å
  • O–S–O 106°
  • One lone pair on S; charge −2
Sulfite ion (SO32-) — C3v symmetry elements
Sulfite ion: symmetry elements of the C3v point group

Other C3v molecules

NH₃AmmoniaAsH₃ArsineBrO₃⁻Bromate ionClO₃⁻Chlorate ionIO₃⁻Iodate ionNCl₃Nitrogen trichlorideNF₃Nitrogen trifluoridePH₃PhosphinePCl₃Phosphorus trichloridePF₃Phosphorus trifluorideXeO₃Xenon trioxideCH₃CCl₃1,1,1-Trichloroethane

Open in the 3D lab →  ·  All C3v molecules  ·  All point groups