| D—H···A | D—H | H···A | D···A | D—H···A |
| N2—H2A···O4i | 0.88 | 2.07 | 2.926 (2) | 163 |
| N2—H2A···N1i | 0.88 | 2.64 | 3.175 (2) | 120 |
| N2—H2B···O1Sii | 0.88 | 2.05 | 2.872 (2) | 154 |
| O1S—H1S···O4 | 0.84 | 1.88 | 2.716 (2) | 172 |
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