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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H52⋯O3i	0.837 (10)	2.178 (16)	2.9566 (19)	155 (3)
O2—H22⋯O3ii	0.834 (10)	1.921 (12)	2.7410 (18)	168 (3)
O5—H51⋯O4iii	0.834 (10)	1.913 (11)	2.7286 (19)	166 (2)
O2—H21⋯O4iv	0.833 (10)	1.852 (10)	2.6831 (17)	175 (2)
O1—H11⋯O4iv	0.843 (9)	2.650 (17)	3.1740 (18)	121.6 (16)
O1—H11⋯O3iv	0.843 (9)	2.097 (10)	2.9386 (18)	175.9 (19)
O1—H12⋯O5	0.834 (10)	1.861 (11)	2.688 (2)	171 (3)

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) .