Table 2. Hydrogen-bond geometry (Å, °) for 2 .

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1—H1B⋯F4i	0.98	2.28	3.225 (5)	161
C2—H2⋯F6i	0.95	2.34	3.253 (4)	160
C6—H6⋯F6ii	0.95	2.53	3.389 (5)	150

Symmetry codes: (i) ; (ii) .