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

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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N1⋯N2i	0.859 (19)	1.926 (19)	2.7800 (15)	173 (2)
C12—H12A⋯Cg1ii	0.93	2.97	3.6736 (16)	134
C3—H3A⋯Cg2iii	0.93	2.61	3.4750 (17)	155

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