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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C4—H4A⋯F5i	0.93	2.44	3.2625 (17)	148
C9—H9A⋯F8Aii	0.93	2.38	3.303 (3)	171
C10—H10A⋯F2iii	0.93	2.47	3.2429 (18)	141
C14—H14A⋯F3	0.97	2.41	3.3065 (16)	154
C14—H14B⋯F9Aii	0.97	2.42	3.224 (2)	140
C15—H15A⋯F5	0.93	2.51	3.2100 (15)	132
C17—H17A⋯F12Aiv	0.93	2.42	3.279 (2)	154
C18—H18B⋯F1ii	0.97	2.55	3.349 (2)	140
C19—H19A⋯F12Av	0.93	2.50	3.364 (2)	155
C20—H20A⋯F8Avi	0.93	2.40	3.158 (3)	139
C20—H20B⋯F1vii	0.93	2.45	3.267 (2)	146

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) ; (vi) ; (vii) .