| C10H8Cl2O4 | Z = 2 |
| Mr = 263.06 | F(000) = 268 |
| Triclinic, P1 | Dx = 1.628 Mg m−3 |
| a = 7.0204 (6) Å | Mo Kα radiation, λ = 0.71073 Å |
| b = 7.7661 (6) Å | Cell parameters from 548 reflections |
| c = 10.5392 (8) Å | θ = 2.4–27.7° |
| α = 97.733 (1)° | µ = 0.60 mm−1 |
| β = 109.293 (1)° | T = 173 K |
| γ = 90.217 (1)° | Irregular, colorless |
| V = 536.69 (7) Å3 | 0.35 × 0.29 × 0.28 mm |