| C3H3ClN2 | Dx = 1.557 Mg m−3 |
| Mr = 102.52 | Mo Kα radiation, λ = 0.71073 Å |
| Orthorhombic, Pnma | Cell parameters from 6701 reflections |
| a = 14.9122 (10) Å | θ = 2.3–30.2° |
| b = 17.6410 (9) Å | µ = 0.69 mm−1 |
| c = 4.9878 (3) Å | T = 170 K |
| V = 1312.13 (14) Å3 | Rect. Prism, clear colourless |
| Z = 12 | 0.28 × 0.14 × 0.08 mm |
| F(000) = 624 |