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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H2A⋯Cl2i	0.97	2.77	3.708 (8)	163
C2—H2B⋯Cl2ii	0.97	2.78	3.678 (8)	154

Symmetry codes: (i) ; (ii) .