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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O2i	0.87 (3)	1.93 (3)	2.782 (2)	164 (3)

Symmetry code: (i) .