| C13H10ClNO3S | F(000) = 1216 |
| Mr = 295.73 | Dx = 1.486 Mg m−3 |
| Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: -C 2yc | Cell parameters from 1936 reflections |
| a = 21.309 (2) Å | θ = 2.7–28.0° |
| b = 6.0953 (7) Å | µ = 0.45 mm−1 |
| c = 20.367 (2) Å | T = 299 K |
| β = 92.48 (1)° | Prism, colourless |
| V = 2642.9 (5) Å3 | 0.42 × 0.40 × 0.24 mm |
| Z = 8 |