| C14H8Br3N3O2 | Dx = 2.087 Mg m−3 |
| Mr = 489.96 | Mo Kα radiation, λ = 0.71073 Å |
| Orthorhombic, Pna21 | Cell parameters from 9976 reflections |
| a = 13.8678 (5) Å | θ = 2.9–34.8° |
| b = 13.5442 (5) Å | µ = 7.77 mm−1 |
| c = 8.3017 (3) Å | T = 100 K |
| V = 1559.29 (10) Å3 | Block, red |
| Z = 4 | 0.31 × 0.14 × 0.08 mm |
| F(000) = 936 |