| C16H9BrO3 | F(000) = 656 |
| Mr = 329.14 | Dx = 1.736 Mg m−3 |
| Monoclinic, P21/c | Cu Kα radiation, λ = 1.54178 Å |
| a = 13.8820 (4) Å | Cell parameters from 7789 reflections |
| b = 3.8695 (1) Å | θ = 3.3–74.5° |
| c = 24.0068 (5) Å | µ = 4.50 mm−1 |
| β = 102.483 (1)° | T = 150 K |
| V = 1259.07 (6) Å3 | Needle, yellow |
| Z = 4 | 0.22 × 0.07 × 0.04 mm |