| C16H9NO2S | F(000) = 576 |
| Mr = 279.30 | Dx = 1.537 Mg m−3 |
| Monoclinic, P21/c | Cu Kα radiation, λ = 1.54184 Å |
| a = 4.60717 (11) Å | Cell parameters from 20622 reflections |
| b = 20.7275 (5) Å | θ = 4.1–76.8° |
| c = 12.6444 (3) Å | µ = 2.38 mm−1 |
| β = 91.911 (2)° | T = 100 K |
| V = 1206.81 (5) Å3 | Needle, pale yellow |
| Z = 4 | 0.04 × 0.01 × 0.01 mm |