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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1X⋯O3i	0.94 (1)	1.93 (1)	2.842 (2)	164 (2)
O1W—H1Y⋯O3ii	0.94 (1)	2.03 (1)	2.973 (2)	174 (2)
O1—H1⋯O2iii	0.84	1.87	2.6814 (19)	162

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