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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1W⋯F2	0.90	2.14	3.002 (3)	161
O1W—H1W⋯F3	0.90	2.51	3.115 (3)	125
O1W—H2W⋯O2	0.95	1.90	2.785 (3)	155
O1—H1O⋯O2	0.81	1.95	2.752 (2)	173
N1—H1N⋯F4i	0.88	2.06	2.861 (3)	152
N4—H4N⋯O1Wii	0.88	1.86	2.730 (3)	170

Symmetry codes: (i) ; (ii) .