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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H18⋯O3	0.84	1.78	2.562 (2)	153
C15—H15A⋯O2i	0.99	2.50	3.405 (3)	151
C15—H15B⋯O3ii	0.99	2.51	3.385 (3)	147
C16—H16A⋯O1iii	0.99	2.60	3.264 (3)	125
C16—H16B⋯F1	0.99	2.14	2.852 (3)	128

Symmetry codes: (i) ; (ii) ; (iii) .