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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O4i	0.82	1.83	2.6483 (16)	178
O2—H2⋯O8i	0.82	1.80	2.6132 (13)	170
O5—H5⋯O3	0.82	1.72	2.5351 (15)	176
O6—H6⋯O8ii	0.82	1.81	2.6223 (16)	170
O7—H7⋯O4iii	0.82	1.69	2.5109 (13)	177
N1—H1A⋯O1i	0.89	2.08	2.9627 (16)	172
N1—H1B⋯O3	0.89	1.91	2.7808 (19)	164
N1—H1C⋯O7iv	0.89	2.18	3.0086 (15)	154

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