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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3⋯O1W	0.82	2.08	2.772 (9)	142
O1W—H1W⋯O3	0.82	1.98	2.772 (9)	163
O1W—H2W⋯O1Wi	0.82	1.94	2.730 (14)	160
O1W—H3W⋯O1ii	0.82	2.24	3.053 (9)	172

Symmetry codes: (i) ; (ii) .