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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2⋯O4	0.85 (2)	1.55 (2)	2.391 (5)	173 (8)
O5—H5B⋯O4i	0.96	2.17	2.820 (5)	124
O5—H5C⋯O2ii	0.96	1.97	2.789 (4)	142
O6—H6A⋯O3iii	0.96	1.84	2.676 (4)	144
O6—H6C⋯O1ii	0.96	1.79	2.708 (4)	159
O7—H7A⋯O1iv	0.96	1.83	2.749 (5)	159
O7—H7C⋯O3	0.96	1.99	2.822 (5)	144

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