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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C12—H12B⋯N1i		2.74	3.637 (4)	155
C12—H12A⋯Cg2ii			3.78	140
C1—H1⋯Cg1ii			3.40	137

Symmetry codes: (i) ; (ii) . Cg1 and Cg2 are the centroids of the N1,C1–C5 and N2,C6–C10 rings, respectively.