Valence double ionization electron spectra of CH3F, CH3Cl and CH3I

被引：10

作者：

Roos, A. Hult ^{[1
]}

Eland, J. H. D. ^{[1
,2
]}

Koulentianos, D. ^{[1
]}

Squibb, R. J. ^{[1
]}

Karlsson, L. ^{[3
]}

Feifel, R. ^{[1
]}

机构：

[1] Univ Gothenburg, Dept Phys, Origovagen 6B, S-41296 Gothenburg, Sweden

[2] Univ Oxford, Dept Chem, Phys & Theoret Chem Lab, South Parks Rd, Oxford OX1 3QZ, England

[3] Uppsala Univ, Dept Phys & Astron, Box 516, S-75120 Uppsala, Sweden

来源：

CHEMICAL PHYSICS | 2017年 / 491卷

基金：

瑞典研究理事会;

关键词：

DOUBLE PHOTOIONIZATION SPECTRA; MOLECULES;

D O I：

10.1016/j.chemphys.2017.04.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Valence double ionization electron spectra of the methyl fluoride, methyl chloride, and methyl iodide molecules have been recorded using a time-of-flight photoelectron-photoelectron coincidence technique. The spectra are interpreted by comparison with existing ionization data, Auger spectra, and theoretical calculations. The lowest double ionization energies have been found to be around 35.0 eV, 30.6 eV, and 26.67 eV for CH3F, CH3Cl and CH3I, respectively. These energies are also compared with the predictions and implications of an empirical rule for the lowest double ionization energy in molecules. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：42 / 47

页数：6

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