| C21H20Br2O2S | Z = 2 |
| Mr = 496.25 | F(000) = 496 |
| Triclinic, P1 | Dx = 1.625 Mg m−3 |
| Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
| a = 6.484 (4) Å | Cell parameters from 45 reflections |
| b = 12.970 (5) Å | θ = 5.6–12.4° |
| c = 13.076 (4) Å | µ = 4.11 mm−1 |
| α = 71.14 (3)° | T = 295 K |
| β = 79.45 (4)° | Prism, colorless |
| γ = 79.52 (4)° | 0.40 × 0.30 × 0.20 mm |
| V = 1014.1 (7) Å3 |