Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C5—H5a⋯F3i	0.93	2.49	3.398 (3)	167
C13—H13a⋯F2	0.93	2.43	3.015 (5)	121
C11—H11a⋯F4ii	0.93	2.39	3.132 (4)	137

Symmetry codes: (i) ; (ii) .