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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1A⋯O5W	0.85	1.87	2.701 (3)	164
O1W—H1B⋯O2	0.93	1.62	2.548 (3)	173
O2W—H2A⋯O3ii	0.85	1.87	2.716 (3)	170
O2W—H2B⋯O6iii	0.89	1.91	2.789 (3)	167
O3W—H3A⋯O5iv	0.90	1.85	2.746 (3)	176
O3W—H3B⋯O4ii	0.95	1.68	2.621 (3)	170
O4W—H4A⋯O3v	0.95	1.82	2.727 (3)	157
O4W—H4B⋯O7iv	0.89	1.90	2.780 (3)	168
O5W—H5A⋯O7iii	0.95	1.83	2.770 (4)	170
O5W—H5B⋯O6Wi	0.95	2.04	2.749 (5)	131
O6W—H6A⋯O6vi	0.91	2.26	3.128 (5)	160
O6W—H6B⋯O3	0.92	2.27	3.109 (5)	151

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