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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1B⋯O2W	0.85 (3)	2.02 (3)	2.859 (2)	169 (2)
O1W—H1A⋯O2Wi	0.86 (3)	1.95 (3)	2.809 (3)	172 (3)
N2—H2⋯O6ii	0.86	2.07	2.9278 (17)	171
O2W—H2A⋯O4iii	1.02 (3)	1.88 (3)	2.893 (2)	171 (3)
O2W—H2B⋯O1	0.81 (3)	2.23 (3)	2.9102 (18)	141 (3)
O2W—H2B⋯N1	0.81 (3)	2.59 (3)	3.322 (2)	149 (3)
O3W—H3A⋯O4iv	0.88 (3)	2.15 (3)	2.877 (2)	139 (3)
O3W—H3B⋯O1v	0.95 (3)	1.90 (3)	2.832 (2)	168 (3)
O3—H3W⋯O1W	0.82	1.93	2.6617 (19)	147
O4W—H4B⋯O3Wiii	0.87 (3)	2.00 (3)	2.864 (2)	172 (2)
O4W—H4A⋯O3Wvi	0.82 (4)	2.20 (4)	3.013 (3)	170 (3)
N4—H4N⋯O3vii	0.86	2.10	2.9509 (18)	169
O6—H6⋯O4W	0.92 (3)	1.75 (3)	2.665 (2)	176 (2)

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