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

Cg1 and Cg2 are the centroids of the C6A–C11A and C6B–C11B rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1A—H1A1⋯N2B	0.99	2.68	3.338 (2)	124
C2A—H2A1⋯N2B	0.99	2.66	3.373 (2)	129
C3A—H3A2⋯N2A i	0.99	2.66	3.634 (2)	168
C3B—H3B1⋯N2B ii	0.99	2.57	3.495 (2)	156
C3A—H3A1⋯Cg1iii	0.99	2.79	3.545 (2)	135
C3B—H3B2⋯Cg2iv	0.99	2.67	3.523 (2)	146

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