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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯Cl2i	0.89	2.22	3.1142 (15)	178
N1—H1B⋯Cl2ii	0.89	2.37	3.1754 (16)	151
N1—H1C⋯Cl1iii	0.89	2.23	3.0790 (16)	160
N2—H2A⋯Cl1ii	0.86	2.39	3.2188 (17)	163
N2—H2B⋯Cl1iv	0.86	2.42	3.2672 (17)	168
N3—H3⋯Cl2	0.86	2.59	3.2499 (16)	135
N3—H3⋯Cl2v	0.86	2.70	3.3198 (16)	130

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