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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1A⋯O2Wi	0.83	1.94	2.759 (4)	170
O1W—H1B⋯O2i	0.90	1.83	2.691 (4)	159
O2W—H2A⋯O1ii	0.98	2.01	2.837 (4)	141
O2W—H2B⋯O2iii	0.88	1.89	2.766 (4)	170

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