Synthesis and characterization of palladium complexes of 3-nitroformazans |
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Authors: | Joe B Gilroy Michael J Ferguson Robert McDonald Robin G Hicks |
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Institution: | 1. Department of Chemistry, University of Victoria, P.O. Box 3065, Victoria, BC, Canada V8W 3V6;2. Crystallography Laboratory, Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr. NW, Edmonton, Alberta, Canada T6G 2G2 |
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Abstract: | 3-Nitroformazans react with bis(1,1,1,5,5,5-hexafluroacetylacetonato)palladium to afford monometallic complexes. The complexes were characterized via X-ray crystallography, cyclic voltammetry, and electronic spectroscopy. The nature of the aryl substituents on the formazan ligands had a profound effect on the structure and spectroscopy of the complexes, with o-substituted aromatic rings twisted with respect to the ligand, while the p-tolyl substituted derivative adopted a planar structure. The complexes undergo irreversible reductions near ?1 V versus Fc/Fc+. |
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