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Journal of Coordination Chemistry Volume 64, 2011 - Issue 4
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Original Articles

Coordination complex of dipicolinato cobalt(III) complex cation and anion

Babulal Das Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781 039, Assam, India
,
Kaushik Ghosh Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781 039, Assam, India
&
Jubaraj B. Baruah Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781 039, Assam, IndiaCorrespondence[email protected]
Pages 583-589 | Received 22 Sep 2010, Accepted 16 Nov 2010, Published online: 24 Jan 2011
 
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Abstract

Two examples of a new class of high oxidation state complexes having complex anion and complex cation of cobalt(III) are presented. The complexes [CoL(py)3][CoL2] · 2H2O (1) and [CoL(im)3][CoL2] · H2O (2) (where L = dipicolinato anion, py = pyridine and im = imidazole) are characterized by determining their crystal structures and studying their properties in solution. The complex anionic and cationic parts form layered structures through hydrogen-bond interactions with water molecule of crystallization. Alternate layers of complex cations and anions hydrogen bond with water molecules of crystallization to make tight packed structures.

Acknowledgments

The authors thank the Department of Science and Technology (New Delhi) India for the financial support.

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