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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯Cl3iii	0.91	2.84	3.591 (4)	141
N2—H2B⋯Cl4iv	0.91	2.46	3.365 (4)	171
N3—H3A⋯Cl1i	0.91	2.95	3.444 (4)	115
N3—H3A⋯Cl4v	0.91	2.60	3.334 (4)	139
N3—H3B⋯Cl2	0.91	2.83	3.281 (4)	112
N6—H6C⋯Cl1v	0.91	2.96	3.681 (4)	138
N6—H6D⋯Cl2vi	0.91	2.45	3.342 (4)	167
N7—H7A⋯Cl2iii	0.91	2.57	3.348 (4)	143
N7—H7B⋯Cl4	0.91	2.79	3.284 (4)	115

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