Table 3. Hydrogen-bond geometry (Å, °) for 2.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N12—H12A⋯Cl2 | 0.85 (6) | 2.47 (7) | 3.282 (6) | 160 (5) |
| N12—H12B⋯Br1i | 0.86 (7) | 2.44 (7) | 3.291 (12) | 170 (6) |
| N22—H22A⋯Br1ii | 0.87 (7) | 2.55 (7) | 3.338 (12) | 151 (5) |
| N22—H22B⋯Br3iii | 0.97 (6) | 2.37 (7) | 3.341 (10) | 176 (5) |
Symmetry codes: (i)
; (ii)
; (iii)
.