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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O1i	0.84	1.76	2.582 (2)	166
O2—H2⋯O2ii	0.84	1.74	2.569 (2)	167

Symmetry codes: (i) ; (ii) .