| D—H···A | D—H | H···A | D···A | D—H···A |
| O1—H1···N1 | 0.82 | 1.91 | 2.631 (7) | 146 |
| N2—H2···O3 | 0.86 | 2.01 | 2.619 (7) | 127 |
| N2—H2···O3i | 0.86 | 2.50 | 3.293 (7) | 155 |
| C4—H4···O1ii | 0.93 | 2.60 | 3.494 (8) | 162 |
| C7—H7···O3i | 0.93 | 2.66 | 3.461 (7) | 145 |
| C12—H12···Br1iii | 0.93 | 3.02 | 3.908 (7) | 161 |