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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯O1i	0.86	2.12	2.944 (3)	162
C2—H2⋯Cg1ii	0.93	2.83	3.538 (3)	134

Symmetry codes: (i) ; (ii) . Cg1 is the centroid of the C2–C7 benzene ring.