Abstract
In the title complex, [Cu(C12H7Cl2N2O)2], the CuII center is tetracoordinated by two phenolic O and two azomethine N atoms from two bidentate 4-chloro-2-[(2-chloro-3-pyridyl)iminomethyl]phenolate (L) ligands. In the crystal structure, the CuII atom has a distorted square-planar coordination environment. The dihedral angles between the benzene and pyridyl rings are 54.39 (3) and 80.14 (4)°, indicating that the pyridine ring has a considerably weaker steric hindrance. The packing of the molecule is controlled by C—H⋯π(Ph) interactions and short O⋯Cl interactions [3.196 (4) Å], linking the molecules into a chain-like structure along the c axis.
Highlights
In the title complex, [Cu(C12H7Cl2N2O)2], the CuII center is tetracoordinated by two phenolic O and two azomethine N
As an extension of our work on the complexes between transition metals and Schiff base ligands (Dong et al, 2009a; Dong et al, 2009b), we report here the synthesis and crystal structures of the title complex, bis{(E)-[4-chloro-2-((2-chloropyridin-3-ylimino)methyl-κN)] phenolatoκO1}copper(II) (Fig. 1)
In asymmetric molecule unit of the title complex, the CuII center is tetracoordinated by two phenolic O and two azomethine N atoms from two ligand (L-) units and has a distorted square-planar coordination environment, which is similar to the reported copper complex with (E)-[4-bromo-2-((2-chloropyridin-3-ylimino)methyl)]phenol (Dong et al, 2009c)
Summary
In the title complex, [Cu(C12H7Cl2N2O)2], the CuII center is tetracoordinated by two phenolic O and two azomethine N atoms from two bidentate 4-chloro-2-[(2-chloro-3-pyridyl)iminomethyl]phenolate (L) ligands. The CuII atom has a distorted square-planar coordination environment. The dihedral angles between the benzene and pyridyl rings are 54.39 (3) and 80.14 (4) , indicating that the pyridine ring has a considerably weaker steric hindrance. The packing of the molecule is controlled by C—H (Ph) interactions and short O Cl interactions [3.196 (4) Å], linking the molecules into a chain-like structure along the c axis
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