| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1···Oi | 0.88 | 2.00 | 2.8745 (18) | 170 |
| N1—H2···N2ii | 0.88 | 2.24 | 3.0850 (18) | 161 |
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