| C21H15BrO | F(000) = 736 |
| Mr = 363.24 | Dx = 1.483 Mg m−3 |
| Orthorhombic, Pca21 | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: P 2c -2ac | Cell parameters from 2900 reflections |
| a = 6.092 (1) Å | θ = 2.2–26.8° |
| b = 7.295 (1) Å | µ = 2.53 mm−1 |
| c = 36.619 (2) Å | T = 295 K |
| V = 1627.4 (4) Å3 | Prism, colourless |
| Z = 4 | 0.4 × 0.2 × 0.2 mm |