Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C6H7BrN+·NO3 − | 
| M r | 235.04 | 
| Crystal system, space group | Monoclinic, P21/c | 
| Temperature (K) | 293 | 
| a, b, c (Å) | 9.7123 (8), 23.4964 (19), 7.6264 (6) | 
| β (°) | 97.052 (4) | 
| V (Å3) | 1727.2 (2) | 
| Z | 8 | 
| Radiation type | Mo Kα | 
| μ (mm−1) | 4.73 | 
| Crystal size (mm) | 0.42 × 0.18 × 0.12 | 
| Data collection | |
| Diffractometer | Bruker SMART APEXII CCD | 
| Absorption correction | Multi-scan (SADABS; Sheldrick, 1996 ▸) | 
| T min, T max | 0.374, 0.567 | 
| No. of measured, independent and observed [I > 2σ(I)] reflections | 16821, 4609, 2355 | 
| R int | 0.058 | 
| (sin θ/λ)max (Å−1) | 0.684 | 
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.059, 0.183, 1.02 | 
| No. of reflections | 4609 | 
| No. of parameters | 218 | 
| H-atom treatment | H-atom parameters constrained | 
| Δρmax, Δρmin (e Å−3) | 0.68, −0.84 |