| C10H10N+.C7H3ClNO4− | F(000) = 1424.00 |
| Mr = 344.75 | Dx = 1.502 Mg m−3 |
| Monoclinic, C2/c | Mo Kα radiation, λ = 0.71075 Å |
| a = 16.2625 (10) Å | Cell parameters from 24067 reflections |
| b = 7.5099 (4) Å | θ = 3.0–30.0° |
| c = 25.3105 (15) Å | µ = 0.28 mm−1 |
| β = 99.4086 (19)° | T = 190 K |
| V = 3049.6 (3) Å3 | Prism, colorless |
| Z = 8 | 0.30 × 0.21 × 0.12 mm |