Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N2—H2A⋯Cl1i | 0.92 | 2.58 | 3.3383 (11) | 140 |
| N2—H2A⋯Cl2i | 0.92 | 2.59 | 3.2672 (11) | 131 |
| N2—H2B⋯Cl2ii | 0.92 | 2.47 | 3.1846 (11) | 135 |
| N2—H2B⋯Cl3ii | 0.92 | 2.58 | 3.2799 (12) | 133 |
| N1—H1⋯O1 | 0.89 (1) | 1.92 (1) | 2.7945 (16) | 170 (2) |
| O1—H1A⋯Cl1 | 0.84 (2) | 2.39 (2) | 3.1678 (11) | 155 (2) |
| O1—H1B⋯Cl3iii | 0.83 (2) | 2.42 (2) | 3.2152 (11) | 161 (2) |
| C9—H9A⋯Cl3ii | 0.99 | 2.83 | 3.331 (2) | 112 |
| C9—H9B⋯Cl3iii | 0.99 | 2.85 | 3.659 (3) | 139 |
| C10—H10A⋯Cl3iii | 0.99 | 2.73 | 3.565 (2) | 143 |
| C10—H10B⋯Cl2ii | 0.99 | 2.84 | 3.340 (4) | 112 |
| C11—H11A⋯Cl1ii | 0.99 | 2.71 | 3.626 (1) | 154 |
| C11—H11B⋯Cl1 | 0.99 | 2.72 | 3.587 (1) | 146 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.