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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1B⋯O2	0.85 (6)	1.83 (6)	2.648 (6)	161 (6)
O2—H2B⋯Cl3i	0.82	2.77	3.462 (5)	143
C1—H1⋯Cl2	0.93	2.76	3.408 (4)	128
C2—H2⋯Cl1ii	0.93	2.77	3.681 (4)	167
C12—H12⋯Cl3	0.93	2.78	3.411 (4)	126

Symmetry codes: (i) ; (ii) .