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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O8—H1W⋯O6i	0.79	2.18	2.939 (3)	163
O8—H2W⋯O9ii	0.88	2.00	2.845 (3)	163
O9—H3W⋯O8iii	0.74	2.04	2.745 (3)	160
O4—H4W⋯O7	0.73	2.13	2.838 (3)	164
O9—H5W⋯O2iv	0.78	2.02	2.791 (3)	169

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