| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1A···O1i | 0.899 (17) | 2.062 (17) | 2.9540 (13) | 171.0 (15) |
| N1—H1B···O3ii | 0.894 (17) | 2.157 (17) | 3.0500 (13) | 178.6 (13) |
| O2—H2···N3iii | 0.989 (19) | 1.70 (2) | 2.688 (8) | 173.4 (18) |
| O2—H2···N3Aiii | 0.989 (19) | 1.63 (2) | 2.619 (12) | 177 (2) |
| O4—H4···N2iv | 0.98 (2) | 1.72 (2) | 2.702 (7) | 173.2 (19) |
| O4—H4···N2Aiv | 0.98 (2) | 1.59 (2) | 2.566 (11) | 175 (2) |