Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C9—H9A⋯Cl3i | 0.96 | 2.80 | 3.629 (3) | 145 |
| C11—H11B⋯Cl6ii | 0.96 | 2.71 | 3.588 (3) | 153 |
Symmetry codes: (i) 
; (ii) 
.
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