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An Asymmetric Salen-type Bisoxime Ligand and Its Supramolecular Copper(II) Complex: Synthesis, Crystal Structure and Spectral Properties

An Asymmetric Salen-type Bisoxime Ligand and Its Supramolecular Copper(II) Complex: Synthesis,... A supramolecular Cu(II) complex (CuL(H 2 O)) with an asymmetric salen-type bisoxime ligand (H 2 L = 4-nitro-6ʹ-methoxy-2,2ʹ-(ethylenediyldioxybis(nitrilomethylidyne))diphenol) has been synthesized and characterized by elemental analysis, IR and UV/Vis spectroscopy, TG-DTA analysis, and molar conductance measurements. The crystal structure of the Cu(II) complex has been determined by single-crystal X-ray diffraction. The Cu(II) atom is penta-coodinated by N 2 O 2 donor atoms from the asymmetic salen-type bisoxime L 2− unit and one oxygen atom from the coordinated water molecule, resulting in an almost regular square-pyramidal geometry. With the help of intermolecular O-H· · ·O, C-H· · ·O hydrogen bonding and π · · ·π stacking interactions, a self-assembled 3D supramolecular structure is formed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Zeitschrift für Naturforschung B de Gruyter

An Asymmetric Salen-type Bisoxime Ligand and Its Supramolecular Copper(II) Complex: Synthesis, Crystal Structure and Spectral Properties

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Publisher
de Gruyter
Copyright
Copyright © 2012 by the
ISSN
0932-0776
eISSN
1865-7117
DOI
10.1515/znb-2012-0303
Publisher site
See Article on Publisher Site

Abstract

A supramolecular Cu(II) complex (CuL(H 2 O)) with an asymmetric salen-type bisoxime ligand (H 2 L = 4-nitro-6ʹ-methoxy-2,2ʹ-(ethylenediyldioxybis(nitrilomethylidyne))diphenol) has been synthesized and characterized by elemental analysis, IR and UV/Vis spectroscopy, TG-DTA analysis, and molar conductance measurements. The crystal structure of the Cu(II) complex has been determined by single-crystal X-ray diffraction. The Cu(II) atom is penta-coodinated by N 2 O 2 donor atoms from the asymmetic salen-type bisoxime L 2− unit and one oxygen atom from the coordinated water molecule, resulting in an almost regular square-pyramidal geometry. With the help of intermolecular O-H· · ·O, C-H· · ·O hydrogen bonding and π · · ·π stacking interactions, a self-assembled 3D supramolecular structure is formed.

Journal

Zeitschrift für Naturforschung B – de Gruyter

Published: Mar 1, 2012

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