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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C11—H11A⋯Cg1i	0.93	2.79	3.630 (4)	150
C12—H12A⋯Cg3	0.93	2.90	3.532 (4)	126
C14—H14A⋯Cg1ii	0.93	2.76	3.628 (4)	156
C18—H18A⋯Cg2iii	0.93	2.78	3.615 (4)	149
C19—H19C⋯Cg3iv	0.96	3.08	3.698 (4)	124

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) . Cg1, Cg2 and Cg3 are the centroids of the N1–N3/C1,C2, N4/C3–C7 and N5/C8–C12 rings, respectively.