Table 2. Hydrogen-bond geometry (Å, °) for II .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1⋯Br2 | 0.81 (6) | 2.66 (6) | 3.461 (5) | 169 (6) |
| N4—H4⋯O1 | 0.80 (6) | 2.80 (7) | 3.283 (11) | 121 (5) |
| N4—H4⋯O3 | 0.80 (6) | 2.25 (6) | 3.008 (13) | 159 (6) |
| N8—H8⋯Br1 | 0.83 (6) | 2.63 (6) | 3.444 (5) | 164 (5) |
| N11—H11⋯Br2 | 0.89 (6) | 2.63 (6) | 3.466 (4) | 159 (5) |