Tin(IV) porphyrin complexes with unsymmetrical axial ligation |
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| Affiliation: | 1. Department of Physics, Al-Hussein Bin Talal University, Maan 71111, Jordan;2. Department of Physics and Astronomy, Ohio University, Athens, OH 45701, USA |
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| Abstract: | Visible absorption and 1H and 13C NMR spectra have been measured for some meso-tetraphenyl- and meso-tetra(p-tolyl)porphyrin complexes of tin(IV) containing axial hydroxo and formato ligands. The unsymmetrical hydroxo/formato complexes allow assessment of cis and trans influences on NMR chemical shifts and J(SnH) and J(SnC) values, confirming the strong donor properties of the OH ligand bound to six-coordinate tin(IV). |
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