Table 3. Hydrogen-bond geometry (Å, °) for III .

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2B⋯Cl1v	0.80 (2)	2.38 (2)	3.147 (3)	161 (2)
O3—H3A⋯Cl2vi	0.86 (2)	2.28 (2)	3.120 (2)	167 (2)

Symmetry codes: (v) ; (vi) .