| C17H14Cl2N4 | F(000) = 712 |
| Mr = 345.22 | Dx = 1.409 Mg m−3 |
| Monoclinic, P21/n | Synchrotron radiation, λ = 0.79475 Å |
| a = 12.396 (3) Å | Cell parameters from 600 reflections |
| b = 6.5280 (7) Å | θ = 2.0–28.0° |
| c = 20.758 (3) Å | µ = 0.54 mm−1 |
| β = 104.39 (2)° | T = 100 K |
| V = 1627.1 (5) Å3 | Prism, colourless |
| Z = 4 | 0.10 × 0.08 × 0.05 mm |