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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O4	0.847 (17)	1.839 (17)	2.6687 (19)	166.3 (18)
O6—H2⋯O11i	0.852 (16)	2.043 (17)	2.854 (2)	159.0 (16)
O6—H3⋯O9i	0.848 (16)	1.956 (16)	2.7958 (19)	170.5 (16)
O7—H4⋯O5ii	0.853 (11)	1.873 (10)	2.7136 (18)	168.4 (19)
O7—H5⋯O4i	0.851 (14)	2.106 (14)	2.9473 (19)	169.9 (18)
O8—H6⋯O1i	0.847 (16)	1.955 (16)	2.775 (2)	162.7 (16)
O9—H8⋯O4	0.852 (15)	1.875 (15)	2.7259 (18)	177.5 (12)
O9—H9⋯O3iii	0.851 (12)	1.850 (12)	2.6978 (18)	174.1 (16)
O10—H10⋯O5iv	0.850 (15)	2.197 (15)	3.012 (2)	161 (2)
O10—H11⋯O3i	0.849 (12)	2.197 (9)	2.984 (2)	154.1 (19)
O11—H12⋯O3iv	0.851 (9)	1.823 (11)	2.6711 (19)	174 (2)

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