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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯Cl1	0.86	2.29	3.0818 (18)	153
N3—H3A⋯Cl1	0.86	2.65	3.363 (2)	141
N3—H3A⋯N1i	0.86	2.53	3.046 (3)	120
N3—H3B⋯Cl1ii	0.86	2.37	3.216 (2)	167

Symmetry codes: (i) ; (ii) .