Table 3. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| Intramolecular | ||||
| N1—H11⋯Cl2i | 0.89 | 2.464 | 3.176 (3) | 140 |
| Intermolecular | ||||
| N1—H11⋯Cl2ii | 0.89 | 2.541 | 3.406 (2) | 166 |
| N2—H21⋯Cl2iii | 0.87 | 2.669 | 3.361 (2) | 138 |
Symmetry codes: (i) 1 + x, y, −z + ½; (ii) 1 − x, −y, 1 − z; (iii) x, 1 − y, z + ½.