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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C3—H3⋯Cg1ii	0.93	3.19	3.78 (1)	123
C4—H4⋯Cl1ii/Br1ii	0.93	2.87	3.798 (5)	173
C6—H6⋯Cl1iii/Br1iii	0.93	3.02	3.710 (3)	132

Symmetry code: (ii) , , , (iii) , , . Cg1 is the centroid of the benzene ring C1–C6.