| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1A···O2 | 0.839 (18) | 1.993 (19) | 2.8017 (19) | 161.8 (17) |
| O2—H2A···O1i | 0.86 (2) | 1.86 (2) | 2.7180 (18) | 174 (2) |
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