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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯Cl2i	0.82	2.39	3.204 (3)	171
C7—H7⋯Cl2ii	0.92	2.78	3.644 (4)	156

Symmetry codes: (i) ; (ii) .