| C18H13Br | F(000) = 624 |
| Mr = 309.19 | Dx = 1.494 Mg m−3 |
| Monoclinic, P21 | Mo Kα radiation, λ = 0.71073 Å |
| a = 11.0782 (12) Å | Cell parameters from 3281 reflections |
| b = 7.7495 (8) Å | θ = 2.7–24.8° |
| c = 16.7782 (17) Å | µ = 2.97 mm−1 |
| β = 107.441 (1)° | T = 294 K |
| V = 1374.2 (2) Å3 | Block, colourless |
| Z = 4 | 0.41 × 0.13 × 0.09 mm |