119Sn-Mössbauer and 1H- and 55Mn-NMR Spectroscopic Studies of a Series of Compounds, R3−<i>x</i>X<i>x</i>Sn-Mn(CO)5

DOI PDF 被引用文献9件 参考文献23件 オープンアクセス
  • Onaka Satoru
    Department of Chemistry, Faculty of Science, The University of Tokyo
  • Sasaki Yukiyoshi
    Department of Chemistry, Faculty of Science, The University of Tokyo
  • Sano Hirotoshi
    Department of Chemistry, Faculty of Science, Ochanomizu University

書誌事項

タイトル別名
  • <SUP>119</SUP>Sn-Mössbauer and <SUP>1</SUP>H- and <SUP>55</SUP>Mn-NMR Spectroscopic Studies of a Series of Compounds, R<SUB>3−<I>x</I></SUB>X<I><SUB>x</SUB></I>Sn-Mn(CO)<SUB>5</SUB>
公開日
1971
DOI
  • 10.1246/bcsj.44.726
公開者
公益社団法人 日本化学会

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説明

The electronic configuration around the tin atom for a series of organotin-manganese compounds, R3−xXxSn–Mn(CO)5, has been studied by 119Sn-Mössbauer and 1H- and 55Mn-NMR spectroscopies. All the results obtained from these spectroscopic measurements show that the Mn(CO)5 group is a stronger electron donor than the methyl, phenyl, or halogen group and that the tin-manganese bond prefers the sσ-character whereas the tin-halogen bond prefers the pσ-character. The relationship between the 55Mn-chemical shift and the 119Sn-isomer shift indicates some σ-electron withdrawal from manganese to tin. The phenyl group reduces the magnitude of quadrupole splitting more than the methyl group; this fact may be due to the mesomeric effect of the phenyl group through the π-bond between tin and ligand atoms. The relationship among the 119Sn-isomer shift, the 1H-chemical shift, and the coupling constant J(119Sn-1H(CH3)) is also shown.

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