Xenon as a Nucleophile in Gas-Phase Displacement Reactions: Formation of the Methyl Xenonium Ion

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Science  24 Sep 1971:
Vol. 173, Issue 4003, pp. 1237-1238
DOI: 10.1126/science.173.4003.1237


Xenon undergoes reaction with protonated methyl fluoride in the gas phase to form abundant quantities of the stable methyl xenonium ion, CH3Xe+. Estimated values for the xenon-carbon and krypton-carbon bond strengths in the rare gas-methyl molecular ions are 43 ± 8 and 21 ± 15 kilocalories per mole, respectively.