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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O2	0.82	1.98	2.7892 (12)	168
O2—H2⋯N2i	0.82	2.05	2.8629 (16)	173

Symmetry code: (i) .