| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1N···O4 | 0.884 (15) | 2.035 (15) | 2.9096 (12) | 170.2 (13) |
| O3—H1O···O1 | 0.927 (18) | 1.679 (19) | 2.5971 (12) | 169.9 (18) |
| O6—H2O···O2 | 0.91 (2) | 1.66 (2) | 2.5517 (12) | 168.3 (19) |
| N2—H3N···O5 | 0.895 (15) | 2.103 (15) | 2.9645 (12) | 161.2 (14) |
| N2—H4N···O4 | 0.843 (16) | 2.237 (15) | 2.9129 (12) | 137.3 (13) |
| N1—H2N···O5 | 0.866 (16) | 2.151 (16) | 2.9088 (12) | 145.9 (13) |