Table 1. Hydrogen-bond geometry (Å, °) for 3 .

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H1⋯Cl	0.85 (2)	2.36 (2)	3.197 (3)	170 (3)
C8—H9⋯Cli	0.98	2.88	3.776 (4)	152
C5—H4⋯Clii	0.99	2.95	3.931 (4)	172
C10—H14⋯Clii	1.00	2.93	3.643 (3)	129
C4—H2⋯Cliii	1.00	2.67	3.516 (3)	143

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