| C14H12Cl2 | F(000) = 1040 |
| Mr = 251.14 | Dx = 1.354 Mg m−3 |
| Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
| a = 26.6755 (19) Å | Cell parameters from 4470 reflections |
| b = 9.3259 (7) Å | θ = 3.1–28.3° |
| c = 10.0405 (8) Å | µ = 0.50 mm−1 |
| β = 99.560 (4)° | T = 296 K |
| V = 2463.1 (3) Å3 | Prism, colourless |
| Z = 8 | 0.30 × 0.20 × 0.10 mm |