Synthesis and electrochemistry of vanadium(IV) Schiff base complexes |
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| Authors: | A H Kianfar S Mohebbi |
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| Institution: | 1. Department of Chemistry, Yasouj University, Yasouj, Iran
2. Department of Chemistry, Kurdistan University, Sanandaj, Iran
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| Abstract: | The electrochemical properties of vanadyl(IV) derivatives, namely salen Schiff base complexes of the type VO(Salen)] (5-BrSalen, 5-NO2Salen, 5-MeOSalen, salpn (bis(salicylaldehyde)-1,3-propanediamine, 5-BrSalpn, 5-NO2Salpn, 5-MeOSalpn, Me2Salen, Salophen, 5-BrSalophen, and 5-MeOSalophen) were investigated. The equatorial Schiff base ligands affect the oxidation potentials via interaction with the d-orbitals of the vanadyl metal ion. The cathodic peak potential (Epc) becomes less negative according to the sequence MeO- < H- < Br- < NO2?. |
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