Synthesis and 119mSn Mössbauer studies of cationic tributyltin complexes |
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| Authors: | Alan J Crowe Peter J Smith Philip G Harrison |
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| Institution: | International Tin Research Institute, Greenford, Middlesex UB6 7AQ Great Britain;Department of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD Great Britain |
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| Abstract: | A series of cationic tributyltin complexes with a tetraphenylborate counter anion, Bu3SnL2]+BPh4,?, where L = DMSO, Ph3PO, Ph3,AsO, pyO or DMF, and L2 = diphosO2, has been prepared and their 119mSn Mössbauer spectra investigated. These indicate that the triorganotin cation occupies a pentacoordinate trigonal bipyramidal geometry with equatorial organic groups when L = monodentate donor, whilst the bidentate diphosO2 ligand produces a mer-R3SnX2 stereochemistry about tin. |
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