Determination of the activation energy for the dissociation of the carbon–iodine bond in methyl iodide adsorbed on Ni(100) surfaces

1 March 1992

journal article
Published by American Vacuum Society in Journal of Vacuum Science & Technology A

Vol. 10 (2) , 404-405
https://doi.org/10.1116/1.578064

Abstract

The chemistry of methyl iodide on Ni(100) surfaces has been studied by using x-ray photoelectron spectroscopy (XPS). Methyl iodide adsorption is molecular below 100 K, but the C–I bond begins to cleave around 120 K and is completely broken by 160 K. The activation energy for the C–I bond scission was estimated to be about 3.5 kcal/mol based on results from isothermal XPS experiments.

Keywords

ACTIVATION ENERGY

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