Synthesis and Crystal Structures of Copper(II) Complexes with Schiff Base Ligands: [Cu2(acpy-mdtc)2(HBA)(ClO4)]·H2O and [Cu2(acpy-phtsc)2(HBA)]·ClO4 


Vol. 34,  No. 11, pp. 3233-3238, Nov.  2013
10.5012/bkcs.2013.34.11.3233


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  Abstract

Two new Cu(II) complexes, [Cu2(acpy-mdtc)2(HBA)(ClO4)]·H2O (1) (acpy-mdtc− = 2-acetylpyridine Smethyldithiocarbamate and HBA− = benzilic acid anion) and [Cu2(acpy-phtsc)2(HBA)]·ClO4 (2) (acpy-phtsc− = 2-acetylpyridine 4-phenyl-3-thiosemicarbazate) have been synthesized and characterized by elemental analysis, infrared spectroscopy, thermogravimetric analysis, and single crystal X-ray diffraction. The X-ray analysis reveals that the structures of 1 and 2 are dinuclear copper(II) complexes bridged by two thiolate sulfur atoms of Schiff base ligand and bidentate bridging HBA− anion. For 1, each of the two copper atoms has different coordination environments. Cu1 adopts a five-coordinate square-pyramidal with a N2OS2 donor, while Cu2 exhibits a distorted octahedral geometry in a N2O2S2 manner. For 2, two Cu(II) ions all have a fivecoordinate square-pyramidal with a N2OS2 donor. In each complex, the Schiff base ligand is coordinated to copper ions as a tridentate thiol mode.

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  Cite this article

[IEEE Style]

B. K. Koo, "Synthesis and Crystal Structures of Copper(II) Complexes with Schiff Base Ligands: [Cu2(acpy-mdtc)2(HBA)(ClO4)]·H2O and [Cu2(acpy-phtsc)2(HBA)]·ClO4," Bulletin of the Korean Chemical Society, vol. 34, no. 11, pp. 3233-3238, 2013. DOI: 10.5012/bkcs.2013.34.11.3233.

[ACM Style]

Bon Kweon Koo. 2013. Synthesis and Crystal Structures of Copper(II) Complexes with Schiff Base Ligands: [Cu2(acpy-mdtc)2(HBA)(ClO4)]·H2O and [Cu2(acpy-phtsc)2(HBA)]·ClO4. Bulletin of the Korean Chemical Society, 34, 11, (2013), 3233-3238. DOI: 10.5012/bkcs.2013.34.11.3233.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949