Theoretical and experimental studies of the valence photoelectron spectrum of C2H2

A high resolution ESCA spectrum of C2H2 was recorded using monochromatized AlKα excitation and was analyzed by means of configuration interaction and multiple configuration SCF wave functions. The role of different schemes for electron-configurational selection in the initial and final states on tra...

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Bibliographic Details
Published in:The Journal of chemical physics 1982-01, Vol.77 (10), p.4895-4902
Main Authors: Müller, J., Arneberg, R., Ågren, H., Manne, R., Malmquist, P.-Å., Svensson, S., Gelius, U.
Format: Article
Language:English
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Summary:A high resolution ESCA spectrum of C2H2 was recorded using monochromatized AlKα excitation and was analyzed by means of configuration interaction and multiple configuration SCF wave functions. The role of different schemes for electron-configurational selection in the initial and final states on transition moments and energies was investigated. The spectrum shows a prominent satellite structure in the inner valence region, which is analyzed and discussed in terms of electron correlation, dissociative photoionization, interference, and vibronic coupling effects.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.443705