Abstract
The reactivity of the vinyl cation towards hydrogen and methane was studied using Fourier transform ion cyclotron resonance mass spectrometry. Rate constants and product distributions are reported for reactions of the vinyl cation in selected gaseous mixtures (C 2H 3Br/X 2, X = H, D; C 2H 2/X 2; C 2H 2/CH 4), the focus being on the energy content of the ion, in relation to its formation process. The intermediacy of a bound C 2X 5 + intermediate in the reaction of the vinyl cation with X 2 is inferred from deuterium incorporation, while reaction with CH 4 leads to an addition-elimination product ion in agreement with previous investigations.
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More From: International Journal of Mass Spectrometry and Ion Processes
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