Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C3—H3a⋯Cl2i | 0.97 | 2.80 | 3.576 (5) | 138 |
Symmetry code: (i) 
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