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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2O⋯O1i	0.94 (3)	1.71 (3)	2.6523 (19)	175 (2)

Symmetry code: (i) .