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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O4i	0.86	1.82	2.675 (4)	173
N2—H2A⋯O3i	0.86	2.00	2.853 (4)	172
N2—H2B⋯O2Wii	0.86	2.02	2.838 (4)	158
O1W—H1WA⋯O4	0.85	2.01	2.818 (3)	160
O1W—H1WB⋯O2W	0.85	1.95	2.793 (4)	170
O2W—H2WA⋯O2	0.85	1.85	2.683 (3)	167
O2W—H2WB⋯O3W	0.85	1.92	2.765 (3)	170
O3W—H3WA⋯O1Wii	0.85	2.21	3.024 (3)	160
O3W—H3WB⋯O1Wiii	0.85	2.00	2.793 (4)	156

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