Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C8Br4N2 |
| M r | 443.74 |
| Crystal system, space group | Monoclinic, C2/m |
| Temperature (K) | 100 |
| a, b, c (Å) | 7.8500 (6), 9.8330 (8), 6.7540 (6) |
| β (°) | 90.202 (4) |
| V (Å3) | 521.33 (7) |
| Z | 2 |
| Radiation type | Mo Kα |
| μ (mm−1) | 15.40 |
| Crystal size (mm) | 0.15 × 0.06 × 0.03 |
| Data collection | |
| Diffractometer | Bruker VENTURE PHOTON-II area detector |
| Absorption correction | Multi-scan (SADABS; Sheldrick, 1996 ▸) |
| T min, T max | 0.253, 0.494 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 3324, 837, 741 |
| R int | 0.063 |
| (sin θ/λ)max (Å−1) | 0.715 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.029, 0.072, 1.04 |
| No. of reflections | 837 |
| No. of parameters | 38 |
| Δρmax, Δρmin (e Å−3) | 1.09, −1.01 |