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

Cg1, Cg2, Cg3 and Cg4 are the centroids of the C1C–C6C, C8C–C13C, C1A–C6A and C1D–C6D rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C19B—H19B⋯I3	0.95	3.03	3.844 (8)	145
C3A—H3AA⋯Cg1i	0.95	2.87	3.636 (8)	138
C5A—H5AA⋯Cg2	0.95	2.89	3.547 (9)	127
C16A—H16A⋯Cg3ii	0.95	2.85	3.657 (9)	144
C16D—H16D⋯Cg4iii	0.95	2.96	3.769 (10)	144

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