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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2W—H2B⋯O4i	0.83	2.00	2.772 (5)	156
O1W—H1B⋯O3ii	0.84	1.92	2.699 (5)	153
O1W—H1A⋯O2iii	0.82	2.07	2.799 (5)	148

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