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EPR of Cu2+ in cadmium saccharin [Cd(sac)2(H2O)4]·2H2O and [Cd(sac)2(HydEt-en)2] complexes in single-crystal and powder forms |
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| Authors: | Y. Yerli A. Karadag F. Köksal |
| Affiliation: | (1) Centre for Supramolecular Chemistry Research, Department of Chemistry, University of Cape Town, Rondebosch, 7701, South Africa;(2) Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering and High Technology Research Center, Kansai University, Suita Osaka, 564-8680, Japan |
| Abstract: | The electron paramagnetic resonance spectra of Cu2+ in [Cd(sac)2(H2O4]·2H2O and [Cd(sac)2(HydEt-en)2] (HydEt-en=N-(2-hydroxyethyl)-ethylenediamine) single crystals and powder were examined at room temperature. A detailed study of the spectra of the compounds indicates the replacement of Cd2+ in the host compounds with Cu2=. [Cd(sac)2(H2O)4]·2H2Oshows the presence of two sites for Cu2+ and [Cd(sac)2(HydEt-en)2] has a single site. The principal values for theg-tensor and the hyperfine tensor for Cu2+ in the two compounds were obtained. The Cu2+ ion was found to be mostly in the 3dx 2−y 2 orbital and the ground-state wavefunction of [Cd(sac)2(HydEten]2] was constructed. |
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