Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C3—H3⋯F3i | 0.95 | 2.43 | 3.137 (2) | 131 |
| C7—H7⋯F1ii | 0.95 | 2.54 | 3.378 (2) | 148 |
| C12—H12⋯F2 | 0.95 | 2.42 | 3.192 (2) | 138 |
Symmetry codes: (i) 
; (ii) 
.
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