| C15H13Br4NO4 | Z = 2 |
| Mr = 590.90 | F(000) = 564 |
| Triclinic, P1 | Dx = 2.131 Mg m−3 |
| Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
| a = 8.992 (2) Å | Cell parameters from 3257 reflections |
| b = 9.632 (2) Å | θ = 1.9–25.2° |
| c = 11.454 (3) Å | µ = 8.76 mm−1 |
| α = 84.868 (3)° | T = 298 K |
| β = 71.948 (3)° | Block, colourless |
| γ = 77.552 (3)° | 0.25 × 0.20 × 0.18 mm |
| V = 920.8 (4) Å3 |