Ultraviolet photolysis of 1,2-Dimethyldisilane in the gas phase

Al-Rubaiey, Najem

doi:10.1016/j.jphotochem.2018.04.041

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The Journal Of Physical Chemistry A1

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2018

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“…Vinylsilane in particular could be ruled out because no gas chromatography peak was found with an authentic sample retention time. Silirane itself was almost certainly formed, but it would have been too sensitive to survive passage through the chromatograph columns …”

Section: Resultsmentioning

confidence: 99%

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Time-Resolved Gas-Phase Kinetic Study of SiD₂ + C₂H₄

Al-Rubaiey

Walsh

2018

J. Phys. Chem. A

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Time-resolved investigation of deuterium-substituted silylene (SiD) generated by laser flash photolysis of deuterium-substituted phenylsilane (PhSiD) was carried out to obtain rate constants for its bimolecular reaction with ethylene (CH). The reaction was studied in the gas phase over the pressure range of 1-100 Torr (in SF bath gas) at 295 K. The rate constants for SiD + CH were found to be independent of pressure and close in magnitude to the rate constants for the reaction of SiH + CH at the high-pressure limit. They are consistent with a rapid isotopic scrambling mechanism similar to that of SiH + CD. While silirane, the main product produced from this reaction, was too labile to be detected, vinylsilane, another possible product, was ruled out by gas chromatography analysis. This reaction shows similarities to those of SiH + H and its isotopic counterparts.

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Section: Resultsmentioning

confidence: 99%

“…Silirane itself was almost certainly formed, but it would have been too sensitive to survive passage through the chromatograph columns. 26…”

Section: The Journal Of Physical Chemistry Amentioning

confidence: 99%