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

Cg1 and Cg2 are the centroids of the N1/C1–C5 and N4/C9–C15 rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1—H1⋯Cg2i	0.99 (2)	2.64 (2)	3.484 (1)	143 (1)
C6—H7⋯Cg2ii	1.00 (2)	2.75 (2)	3.545 (2)	137 (1)
C10—H13⋯Cg1iii	0.95 (2)	2.90 (1)	3.637 (1)	135 (1)

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