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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1o⋯O2i	0.81 (2)	2.02 (2)	2.8259 (19)	174 (2)

Symmetry code: (i) .