| D—H···A | D—H | H···A | D···A | D—H···A |
| N2—H2N···N5i | 0.90 (2) | 2.01 (2) | 2.9010 (16) | 171 (1) |
| N4—H4A···N3ii | 0.90 (2) | 2.11 (2) | 2.9971 (16) | 172 (1) |
| N4—H4B···N1i | 0.93 (2) | 2.19 (2) | 3.0264 (16) | 151 (1) |
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