The crystal structures of di-µ-chloro-bis{[N-(2-aminoethyl)thiophen-2-aldimine]chlorocopper(II)} and bis[N-(2-aminoethyl)thiophen-2-aldimine]diperchloratocopper(II)

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Abstract
The structures of the title complexes have been investigated by single-crystal X-ray crystallography. In both the complexes the ligands are co-ordinated through nitrogen only. the thiophen sulphur atoms remaining unattached. The chloro-complex is dimeric with chloride bridges and has a distorted square-pyrimidal co-ordination polyhedron. The perchlorato-complex is monomeric with an octahedral co-ordination geometry which includes the perchlorate groups.