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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H2⋯Cl2i	0.93	2.67	3.545 (3)	156
C7—H7A⋯Cl1ii	0.96	2.76	3.663 (3)	158
C18—H18⋯Cl2iii	0.93	2.83	3.714 (3)	160

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