| D—H···A | D—H | H···A | D···A | D—H···A |
| O1—H1O1···Br1 | 0.81 (6) | 2.58 (3) | 3.355 (6) | 160 (8) |
| O1—H1O2···Br2 | 0.82 (6) | 2.49 (6) | 3.283 (6) | 165 (7) |
| N1—H1N···Br2 | 0.90 (5) | 2.40 (3) | 3.238 (5) | 154 (6) |
| C9—H9B···Br2i | 0.96 | 2.85 | 3.792 (7) | 167 |
| C12—H12A···Br2 | 0.96 | 2.82 | 3.765 (7) | 168 |
| C14—H14···Br1ii | 0.93 | 2.79 | 3.436 (6) | 128 |
| C16—H16···Br2iii | 0.93 | 2.81 | 3.597 (6) | 143 |