Preparation and properties of some silyl- and germyl-halogenoacetylenes and of digermylacetylene
- 1 January 1978
- journal article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 7,p. 759-763
- https://doi.org/10.1039/dt9780000759
Abstract
The compounds H3SiCCCl, D3SiCCCl, H3SiCCBr, H3GeCCCl, H3GeCCGeH3, and H3SiCCSiH3 have been prepared by reaction of silyl or germyl halides with the lithium and sodium derivatives Li(CCCl), Li2C2, and Na(CCBr). They have been characterised by a variety of physical and spectroscopic techniques (i.r., Raman, u.v., and photoelectron spectroscopy). Normal-co-ordinate analysis-of the vibrational data shows that most vibrations of these molecules are isolated, but that the two low-frequency stretches and the two skeletal bends are strongly coupled.Keywords
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