| C14H7Cl2NO2 | F000 = 1184 |
| Mr = 292.11 | Dx = 1.619 Mg m−3 |
| Monoclinic, C2/c | Melting point: 453-454 K K |
| Hall symbol: -C 2yc | Cu Kα radiation λ = 1.54180 Å |
| a = 30.337 (6) Å | Cell parameters from 9042 reflections |
| b = 3.8280 (10) Å | θ = 2.2–76.9º |
| c = 21.000 (4) Å | µ = 4.85 mm−1 |
| β = 100.67 (3)º | T = 100 (2) K |
| V = 2396.6 (9) Å3 | Needle, yellow |
| Z = 8 | 0.80 × 0.15 × 0.12 mm |