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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯Cl4i	0.89	2.25	3.125 (6)	169
N1—H1B⋯Cl3ii	0.89	2.54	3.304 (6)	145
N1—H1C⋯Cl2iii	0.89	2.31	3.172 (7)	162
N2—H2A⋯Cl1i	0.89	2.34	3.219 (6)	171
N2—H2B⋯Cl4iv	0.89	2.70	3.505 (7)	151
N2—H2C⋯Cl3ii	0.89	2.39	3.262 (6)	168

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