| C14H10Cl2N2O2 | F(000) = 632 |
| Mr = 309.14 | Dx = 1.520 Mg m−3 |
| Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: -P 2ybc | Cell parameters from 19179 reflections |
| a = 7.5029 (6) Å | θ = 1.7–29.5° |
| b = 23.8363 (13) Å | µ = 0.48 mm−1 |
| c = 8.0286 (7) Å | T = 180 K |
| β = 109.860 (6)° | Needles, white |
| V = 1350.45 (18) Å3 | 0.34 × 0.26 × 0.18 mm |
| Z = 4 |