Evidence for a trigonal twist mechanism involving a phosphite ligand of Os3(CO)7,[P(OMe)3]5 |
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| Authors: | Randy F Alex Roland K Pomeroy |
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| Institution: | Department of Chemistry, Simon Fraser University Burnaby, British Columbia V5A 1S6 Canada |
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| Abstract: | The fluxional molecule Os3(CO)7P(OMe)3]5 has been prepared from OS3(CO)12 and P(OMe)3 by a combination of thermal and UV irradiation synthetic methods. An investigation by 31P and 13C NMR spectroscopy indicated that the mechanism of fluxionality in this compound probably involves the P(OMe)3 ligand of the Os(CO)3P(OMe)3] unit moving from one equatorial site to the other via a trigonal twist mechanism. |
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