Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2C⋯Cl1i	0.89	2.62	3.445 (6)	156
N2—H2A⋯Cl4ii	0.89	2.51	3.321 (6)	152
N1—H1C⋯Cl3iii	0.89	2.42	3.291 (8)	167
N1—H1B⋯Cl1	0.89	2.55	3.382 (7)	156

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