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

Cg1, Cg2 and Cg3 are the centroids of the N1/C1/C6–C9, C1–C6 and C11–C16 rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C7—H7⋯Cg3i	0.93	2.61	3.430 (2)	148
C12—H12⋯Cg1i	0.93	2.79	3.536 (2)	138
C13—H13⋯Cg2i	0.93	2.71	3.508 (3)	145

Symmetry code: (i) .