| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1···O4 | 0.88 (1) | 1.78 (1) | 2.650 (2) | 176 (3) |
| N2—H2A···O4i | 0.87 (1) | 2.00 (1) | 2.863 (2) | 174 (3) |
| N2—H2B···O3 | 0.86 (1) | 1.94 (1) | 2.770 (2) | 164 (2) |
| C2—H2···O1ii | 0.93 | 2.65 | 3.522 (2) | 157 |
| N3—H3A···O5 | 0.88 (1) | 1.71 (1) | 2.577 (2) | 173 (3) |
| N4—H4A···O5ii | 0.87 (1) | 2.06 (1) | 2.918 (2) | 172 (2) |
| N4—H4B···O6 | 0.86 (1) | 2.02 (1) | 2.851 (2) | 163 (2) |