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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H51⋯F3i	0.81 (1)	2.14 (1)	2.903 (2)	156 (3)
O5—H51⋯F1i	0.81 (1)	2.62 (2)	3.188 (2)	128 (2)
O5—H52⋯O5ii	0.81 (1)	2.41 (1)	3.1968 (16)	164 (3)

Symmetry codes: (i) ; (ii) .