13C NMR spectra of η3 -allylmanganesetetracarbonyl compounds; structural implications |
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Authors: | Adriaan Oudeman Ted S Sorensen |
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Institution: | Department of Chemistry, University of Calgary, Calgary, Alberta, T2N 1N4 Canada |
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Abstract: | The 13C NMR spectra of η3-allylmanganese tetracarbonyl complexes are consistent with an overall Cs, symmetry and involving a σv plane in the Mn(CO)4 fragment. A dynamic carbonyl interchange process was looked for but the results are inconclusive, however the barrier for this process is certainly greater than 42 kJ/mol. This observation suggests an octahedral type geometry rather than a square pyramid type configuration. |
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