Symmetry Lab › D2h › 1,2,4,5-Tetrazine
C₂H₂N₄ 1,2,4,5-Tetrazine
Planar six-membered ring · point group D2h · order 8
- Point group
- D2h — A C2 principal axis, 2 perpendicular C2 axes and a horizontal mirror plane; these also give 2 vertical planes and a centre of inversion.
- Order
- 8
- Operations
- E, C₂(z), C₂(y), C₂(x), i, σ(xy), σ(xz), σ(yz)
- Shape
- Planar six-membered ring
- Atoms
- 8 (C × 2, N × 4, H × 2)
Symmetry elements of C₂H₂N₄
- C₂ (z) — in the molecular plane
- C₂ (y) — perpendicular to the molecular plane
- C₂ (x) — in the molecular plane
- i — centre of inversion
- σ (xy) — perpendicular to the molecule
- σ (xz) — the plane of the molecule
- σ (yz) — perpendicular to the molecule
Structure
- C–N 1.33 Å, N–N 1.32 Å
- Four N in two adjacent pairs
- Deep red-violet
