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

Cg1 and Cg2 are the centroids of the N1A/N2A/C9A/C10A/C15A and C10B–C15B rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C6A—H6A⋯O1B i	0.93	2.53	3.418 (2)	159
C8A—H81⋯N2A ii	0.97	2.57	3.519 (3)	164
C8A—H82⋯O1B iii	0.97	2.41	3.176 (2)	135
C9B—H9B⋯Cg1iv	0.93	2.86	3.460 (2)	123
C3B—H3B⋯Cg2v	0.93	2.60	3.433 (2)	149

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