| D—H···A | D—H | H···A | D···A | D—H···A |
| N2—H2···O1 | 0.900 (19) | 1.678 (19) | 2.5652 (14) | 167.7 (18) |
| C6—H6···O2i | 0.95 | 2.39 | 3.3066 (16) | 163 |
| C8—H8···O3ii | 0.95 | 2.56 | 3.4199 (16) | 151 |
| C9—H9···O2iii | 0.95 | 2.44 | 3.3360 (16) | 158 |
| C15—H15···O2 | 0.95 | 2.36 | 3.2835 (17) | 163 |
| N1—O3···Cg3iv | 1.22 (1) | 3.26 (1) | 4.3171 (13) | 145 (1) |