Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O6—H1W⋯O1iii	0.85 (4)	2.10 (3)	2.799 (3)	139 (3)
O6—H2W⋯O5iv	0.86 (4)	1.93 (3)	2.725 (3)	154 (3)
O7—H3W⋯O9v	0.88 (2)	1.84 (2)	2.687 (3)	162 (4)
O7—H4W⋯O9	0.85 (4)	2.23 (3)	2.995 (4)	151 (3)
O8—H5W⋯O2vi	0.85 (2)	1.85 (2)	2.693 (3)	175 (4)
O8—H6W⋯O3ii	0.85 (4)	1.85 (4)	2.680 (3)	167 (4)
O9—H7W⋯O2vii	0.86 (4)	1.84 (2)	2.699 (3)	175 (4)
O9—H8W⋯O4i	0.85 (4)	2.37 (4)	3.073 (4)	141 (5)

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) ; (vi) ; (vii) .