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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O10—H10B⋯O7i	0.85 (2)	1.96 (1)	2.793 (3)	168 (3)
O10—H10A⋯O6ii	0.85 (1)	2.10 (1)	2.938 (3)	173 (3)
O11—H11A⋯O8	0.85 (2)	2.09 (1)	2.925 (3)	170 (3)
O12—H12A⋯O11iii	0.85 (2)	1.94 (1)	2.770 (3)	165 (3)
N1—H1A⋯O10	0.91 (3)	1.96 (3)	2.844 (3)	167 (3)
O12—H12B⋯O2iv	0.85 (2)	2.04 (1)	2.889 (3)	177 (3)
O11—H11B⋯O9v	0.85 (3)	1.95 (3)	2.765 (3)	162 (3)
N3—H3⋯O12	0.90 (3)	1.96 (3)	2.845 (3)	165 (3)
O8—H8⋯N4	0.82	1.87	2.589 (3)	146
O6—H6⋯O9vi	0.82	2.04	2.834 (3)	161
O5—H5⋯O3vi	0.82	1.86	2.670 (3)	170
O4—H4⋯N2	0.82	1.84	2.561 (3)	146
O2—H2⋯O1	0.82	2.29	2.725 (3)	114
O2—H2⋯O11vii	0.82	1.93	2.703 (3)	158
O1—H1⋯O7vii	0.82	1.88	2.695 (3)	172

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