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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1O1⋯O2	0.82	2.15	2.611 (3)	116
O3—H1O3⋯O4	0.82	2.23	2.673 (3)	114
O3—H1O3⋯O5i	0.82	1.92	2.693 (3)	156
O5—H1O5⋯I1ii	0.82	2.82	3.6161 (17)	163
C2—H2A⋯O3iii	0.93	2.56	3.476 (3)	167
C18—H18B⋯O3iii	0.96	2.60	3.355 (3)	136
C27—H27A⋯I4iv	0.93	3.02	3.899 (3)	158
C19—H19B⋯Cg4	0.96	2.99	3.944 (3)	172
C38—H38B⋯Cg2	0.96	2.94	3.871 (3)	165

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) . Cg2 and Cg4 are the centroids of the C12–C17 and C31–C36 benzene rings, respectively.