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

Cg3, Cg4 and Cg5 are the centroids of the C5–C10, C11A–C16A and C11B–C16B rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C13A—H13A⋯Cg4i	0.93	2.80	3.598 (11)	144
C13A—H13A⋯Cg5i	0.93	2.71	3.515 (11)	146
C13B—H13B⋯Cg4i	0.93	2.82	3.695 (12)	158
C13B—H13B⋯Cg5i	0.93	2.76	3.639 (13)	157
C19—H19B⋯Cg4ii	0.96	2.72	3.619 (7)	156
C19—H19B⋯Cg5ii	0.96	2.76	3.660 (7)	157
C15B—H15B⋯Cg3iii	0.93	2.65	3.497 (14)	151

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