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

Cg1 and Cg2 are centroids of the C1–C6 and C8–C13 rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1O1⋯N1	0.88	1.77	2.602 (2)	158
N2—H1N2⋯O1i	0.93 (3)	2.56 (3)	3.030 (3)	111 (2)
N2—H1N2⋯O2i	0.93 (3)	2.29 (3)	3.181 (3)	161 (3)
N2—H2N2⋯N1	0.87 (3)	2.23 (3)	2.759 (3)	119 (2)
C3—H3⋯Cg1ii	0.94 (3)	2.64 (3)	3.458 (2)	145 (2)
C11—H11⋯Cg2iii	0.91 (3)	2.87 (3)	3.538 (2)	142 (2)

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