| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H2···O2 | 0.88 (1) | 2.09 (5) | 2.744 (5) | 131 (5) |
| N1—H1···O2i | 0.88 (1) | 2.22 (2) | 3.075 (5) | 163 (3) |
| N1—H2···Br1ii | 0.88 (4) | 2.76 (4) | 3.547 (4) | 149 (5) |
| C4—H4···Cg1i | 0.93 | 2.90 | 3.673 (5) | 142 |
| C6—H6···Cg2iii | 0.93 | 2.98 | 3.743 (5) | 140 |
| C23—H23C···Cg3iii | 0.96 | 2.70 | 3.593 (5) | 154 |