Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H5A⋯O4	0.85	1.96	2.800 (4)	170
O5—H5B⋯O6i	0.85	1.95	2.790 (4)	170
O6—H6A⋯O2ii	0.85	2.21	3.063 (5)	176
O6—H6B⋯O7iii	0.85	1.84	2.693 (4)	176
O7—H7D⋯O4iv	0.85	2.13	2.942 (4)	161
O7—H7E⋯O2v	0.85	1.94	2.758 (4)	160
O8—H8A⋯O5vi	0.85	1.95	2.802 (5)	179
O8—H8B⋯O5vii	0.85	2.09	2.939 (5)	178

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) ; (vi) ; (vii) .