Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C3—H3⋯Cl3i | 0.95 | 2.79 | 3.3965 (18) | 122 |
| C8—H8⋯Cl2ii | 0.95 | 2.83 | 3.3126 (18) | 113 |
Symmetry codes: (i) 
; (ii) 
.
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