Clusterization Effect on the 29Si NMR Signal of a Spiro Silicon Atom
Organometallics(2021)
Abstract
Si-14 cluster 3 containing a Spiro silicon atom was obtained by the Wurtz-type coupling of 1,1,2,2-tetrachlorocydopentasilane 1 with sodium. The structure and properties were studied by X-ray crystallography, spectroscopy, and theoretical calculations. The Si-29 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 Si-29 NMR signal of the Spiro silicon atom.
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Key words
<sup>29</sup>si nmr signal,silicon
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