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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1W⋯O7i	0.86	2.10	2.960 (5)	175
O1W—H2W⋯O2W	0.86	2.06	2.892 (7)	161
O2W—H4W⋯O1Wi	0.87	1.92	2.780 (7)	171

Symmetry code: (i) .