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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H1N2⋯O3i	0.85 (3)	1.94 (3)	2.713 (2)	151 (2)
C2—H2A⋯O1ii	0.89 (3)	2.53 (3)	3.209 (3)	133 (3)
C2—H2B⋯O2iii	0.92 (3)	2.45 (3)	3.371 (3)	174 (2)
C5—H5⋯O1iv	1.02 (3)	2.46 (2)	3.190 (3)	127.6 (18)
C2—H2A⋯Cg2ii	0.90 (3)	2.99 (3)	3.474 (3)	116 (2)

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) . Cg2 is the centroid of the C6–C11 ring ring.