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Clusterization Effect on the 29Si NMR Signal of a Spiro Silicon Atom
Organometallics ( IF 2.8 ) Pub Date : 2021-07-28 , DOI: 10.1021/acs.organomet.1c00318
Akihiro Tsurusaki 1 , Hiroyasu Sato 2 , Soichiro Kyushin 3
Affiliation  

Si14 cluster 3 containing a spiro silicon atom was obtained by the Wurtz-type coupling of 1,1,2,2-tetrachlorocyclopentasilane 1 with sodium. The structure and properties were studied by X-ray crystallography, spectroscopy, and theoretical calculations. The 29Si NMR signal of the spiro silicon atom was observed in the unusually downfield region at 104.2 ppm. The analysis of this result shows the clusterization effect on the 29Si NMR signal of the spiro silicon atom.

中文翻译:

聚簇效应对螺硅原子的 29Si NMR 信号

通过1,1,2,2-四氯环戊硅烷1与钠的Wurtz型偶联获得含有螺硅原子的Si 143。通过X射线晶体学、光谱学和理论计算研究了其结构和性质。在 104.2 ppm 的异常低场区域观察到螺硅原子的29 Si NMR 信号。该结果的分析显示了对螺硅原子的29 Si NMR信号的簇化效应。
更新日期:2021-08-23
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