| C9H7IN+·Cl−·2H2O | F(000) = 632 |
| Mr = 327.54 | Dx = 1.941 Mg m−3 |
| Monoclinic, P21/c | Melting point: 388 K |
| Hall symbol: -P 2ybc | Mo Kα radiation, λ = 0.71073 Å |
| a = 8.9600 (18) Å | Cell parameters from 9991 reflections |
| b = 17.580 (4) Å | θ = 2.3–28.6° |
| c = 7.1700 (14) Å | µ = 3.07 mm−1 |
| β = 97.13 (3)° | T = 100 K |
| V = 1120.7 (4) Å3 | Block, brown |
| Z = 4 | 0.71 × 0.67 × 0.54 mm |