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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H1O5⋯O2i	0.87	2.31	2.736 (4)	111
O5—H2O5⋯O2ii	0.85	2.40	2.886 (4)	117

Symmetry codes: (i) ; (ii) .