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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1o⋯O1wi	0.83 (2)	2.00 (2)	2.813 (4)	168 (4)
O1w—H1w⋯N1ii	0.85 (2)	2.12 (2)	2.958 (4)	174 (4)
O1w—H2w⋯O1	0.84 (3)	2.06 (3)	2.893 (4)	170 (4)
N3—H3n⋯O2i	0.86 (2)	2.13 (2)	2.910 (3)	152 (3)

Symmetry codes: (i) ; (ii) .