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Symmetry Lab4AB · ABC Chemistry

Symmetry Lab › C2v › Pyrimidine

C₄H₄N₂ (1,3) Pyrimidine

Planar six-membered ring · point group C2v · order 4

Open C₄H₄N₂ (1,3) 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 six-membered ring
Atoms
10 (C × 4, N × 2, H × 4)

Symmetry elements of C₄H₄N₂ (1,3)

  • C₂ — in the plane, through the ring
  • σᵥ (xz) — the plane of the molecule
  • σᵥ′ (yz) — perpendicular to the molecule, through the C₂ axis

Structure

  • C–N 1.34 Å
  • Two N meta to each other
  • The ring of cytosine, thymine and uracil
Pyrimidine (C4H4N2 (1,3)) — C2v symmetry elements
Pyrimidine: 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