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

Cg2 and Cg3 are the centroids of the 4-bromo­phenol (C6–C11) and 1,3,5-tri­methyl­benzene (C14–C19) rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O11—H11⋯N3	0.81 (4)	1.89 (4)	2.644 (2)	155 (3)
C4—H4A⋯O1i	0.99	2.58	3.564 (2)	171
C20—H20B⋯O11ii	0.98	2.57	3.548 (3)	173
C20—H20C⋯O1	0.98	2.55	3.332 (3)	136
C2—H2⋯Cg2i	1.00	2.91	3.908 (2)	176
C4—H4B⋯Cg3i	0.99	2.88	3.622 (2)	132
C21—H21C⋯Cg3iii	0.98	2.93	3.723 (4)	138

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