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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯Cl1i	0.86	2.39	3.217 (3)	160
N2—H2A⋯Cl2	0.86	2.39	3.195 (3)	157
N3—H3A⋯Cl3	0.86	2.46	3.178 (3)	142
N4—H4C⋯Cl4ii	0.86	2.32	3.149 (3)	164

Symmetry codes: (i) ; (ii) .