| D—H···A | D—H | H···A | D···A | D—H···A |
| N2—H1n···N3i | 0.93 (3) | 2.18 (3) | 3.077 (2) | 164 (2) |
| N3—H2n···N1ii | 0.89 (2) | 2.31 (2) | 3.200 (2) | 175.1 (19) |
| N3—H3n···N2iii | 0.90 (2) | 2.58 (2) | 3.295 (2) | 136.4 (16) |
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