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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1⋯O2	0.85 (1)	2.02 (1)	2.836 (2)	161 (2)
O1W—H2⋯N3i	0.85 (1)	2.10 (1)	2.937 (2)	170 (2)

Symmetry code: (i) .