| C18H13ClN2O2 | F(000) = 672 |
| Mr = 324.75 | Dx = 1.399 Mg m−3 |
| Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
| a = 7.158 (2) Å | Cell parameters from 1332 reflections |
| b = 30.886 (3) Å | θ = 2.5–24.9° |
| c = 7.3733 (12) Å | µ = 0.26 mm−1 |
| β = 108.924 (2)° | T = 298 K |
| V = 1541.9 (5) Å3 | Block, colorless |
| Z = 4 | 0.20 × 0.20 × 0.18 mm |