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Asian Journal of Research in Chemistry
Year : 2017, Volume : 10, Issue : 2
First page : ( 85) Last page : ( 94)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2017.00013.X

Single crystal EPR and X-ray studies of exchange interactions in Hexaaquocopper (II) picrylsulphonate tetrahydrate

Vijayaraj K.1, Jawahar A.1,*, Anantharam R.2, Dhas M. Kumara3

1Department of Chemistry, NMSSVN College, Nagamalai, Madurai-625019, Tamilnadu, India

2Department of Chemistry, ANJA College, Sivakasi, Tamilnadu, India

3Department of Physics, Mahendra Arts and Science College, Kalippatti, Namakkal-637501, Tamilnadu, India

*Corresponding Author E-mail: nmdhas@gmail.com

Online published on 17 July, 2017.

Abstract

Single crystals of hexaaquocopper(II)picrylsulphonate tetrahydrate, [Cu(H2O)6(picsul)2.4H2O and the corresponding copper(II) doped zinc and cadmium analogues have been prepared and subjected to EPR studies. X-ray diffraction studies of the pure complex reveal the structure to be triclinic and z=1, with a two dimensional Cu-picsul-Cu-picsul-chain running along b-axis, super exchange interactions are taking place through the chains, linked by H-bonds from uncoordinated water. The line width and line shape analysis indicate the system to be a quasi two dimensional one. A probe into the study of the metal ligand bonding has also been made.

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Keywords

Electron paramagnetic resonance, metal ligand, line width, line shape.

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