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1958•The Journal of Chemical PhysicsRequires access

Ionization and Dissociation of NO2 and N2O by Electron Impact

J.E. Collin, F. P. Lossing

Open publisher page 38 citations

Abstract

A comparison of values of the ionization potential of NO2 derived from direct electron impact, from dissociative ionization of CH3NO2, and from the ultraviolet spectrum of NO2, show large discrepancies. There is reason to believe that three different electronic states are involved. The ionization potential of N2O as measured by electron impact is in good agreement with spectroscopic data. The appearance potential of O+ ion from N2O gives D(NN–O)=39.7 kcal/M, in excellent agreement with the thermochemical value of 39.49 kcal/M.

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What this paper is about

A comparison of values of the ionization potential of NO2 derived from direct electron impact, from dissociative ionization of CH3NO2, and from the ultraviolet spectrum of NO2, show large discrepancies. There is reason to believe that three different electronic states are involved. The ionization potential of N2O as measured by electron impact is in good agreement with spectroscopic data. The appearance potential of O+ ion from N2O gives D(NN–O)=39.7 kcal/M, in excellent agreement with the thermochemical value of 39.49 kcal/M.

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Available abstract

A comparison of values of the ionization potential of NO2 derived from direct electron impact, from dissociative ionization of CH3NO2, and from the ultraviolet spectrum of NO2, show large discrepancies. There is reason to believe that three different electronic states are involved. The ionization potential of N2O as measured by electron impact is in good agreement with spectroscopic data. The appearance potential of O+ ion from N2O gives D(NN–O)=39.7 kcal/M, in excellent agreement with the thermochemical value of 39.49 kcal/M.

Key concepts: Electron ionization, Ionization, Ionization energy, Dissociation (chemistry), Ion, Atomic physics, Ultraviolet, Molar ionization energies of the elements

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