| C8H7ClFNO | Prism |
| Mr = 187.60 | Dx = 1.551 Mg m−3 |
| Monoclinic, P21/n | Melting point: 385 K |
| Hall symbol: -P 2yn | Cu Kα radiation, λ = 1.54178 Å |
| a = 5.0441 (2) Å | Cell parameters from 1297 reflections |
| b = 18.2374 (7) Å | θ = 5.6–64.3° |
| c = 8.8653 (3) Å | µ = 3.95 mm−1 |
| β = 99.843 (1)° | T = 293 K |
| V = 803.53 (5) Å3 | Prism, colourless |
| Z = 4 | 0.31 × 0.24 × 0.19 mm |
| F(000) = 384 |