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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O1i	0.82	2.67	3.246 (13)	129
O2—H2⋯O2ii	0.82	2.36	2.979 (9)	133

Symmetry codes: (i) ; (ii) .