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Original Articles

Preparation of the Two Isomers of Cu(dien)Cl2

, &
Pages 93-99 | Received 08 Jul 2000, Accepted 30 Aug 2003, Published online: 16 Nov 2010
 

Abstract

Two isomers of [Cu(dien)Cl2] of two different colours (blue and yellow), where dien = diethylenetriamine have been isolated. They have been synthesized by a slight variation in the procedure. Both complexes turn blue in aqueous, ethanolic and DMSO solutions and attain a stable geometry. The blue isomer is thermally more stable than the yellow one. Both of them have identical electronic spectra and ϵ values in solution.

Acknowledgments

One of the authors (F.R.) thanks the Council of Scientific and Industrial Research (CSIR) New Delhi for the award of Junior Research Fellowship and to Prof. R.J. Singh, Department of Physics, A.M.U., Aligarh, India for a fruitful discussion of the EPR spectra.

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