| C9H8F3N | F(000) = 384.00 |
| Mr = 187.16 | Dx = 1.448 Mg m−3 |
| Monoclinic, P21/c | Cu Kα radiation, λ = 1.54187 Å |
| a = 7.3925 (4) Å | Cell parameters from 4006 reflections |
| b = 6.2777 (3) Å | θ = 4.8–68.2° |
| c = 18.6065 (9) Å | µ = 1.16 mm−1 |
| β = 96.243 (7)° | T = 123 K |
| V = 858.37 (8) Å3 | Platelet, colourless |
| Z = 4 | 0.40 × 0.26 × 0.08 mm |