| C10H10N+·C7H3ClNO4− | Z = 2 |
| Mr = 344.75 | F(000) = 356.00 |
| Triclinic, P1 | Dx = 1.517 Mg m−3 |
| a = 8.6975 (4) Å | Mo Kα radiation, λ = 0.71075 Å |
| b = 9.2527 (4) Å | Cell parameters from 20962 reflections |
| c = 10.1865 (5) Å | θ = 3.2–30.2° |
| α = 72.7483 (15)° | µ = 0.28 mm−1 |
| β = 86.4281 (16)° | T = 185 K |
| γ = 74.5728 (15)° | Block, colorless |
| V = 754.55 (6) Å3 | 0.55 × 0.50 × 0.32 mm |