| D—H···A | D—H | H···A | D···A | D—H···A |
| N1—H1A···Cl4i | 0.86 | 2.64 | 3.400 (4) | 148 |
| N1—H1B···Cl3ii | 0.86 | 2.47 | 3.317 (3) | 169 |
| N2—HN2···Cl4i | 0.86 | 2.42 | 3.238 (3) | 160 |
| N3—HN3···Cl1iii | 0.86 | 2.42 | 3.251 (3) | 164 |
| N4—H4A···Cl1iii | 0.86 | 2.77 | 3.519 (4) | 147 |
| N4—H4B···Cl2iv | 0.86 | 2.80 | 3.541 (4) | 145 |