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Laboratory-frame electron angular distributions: Probing the chemical environment through intramolecular electron scattering

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https://ir.library.oregonstate.edu/concern/articles/41687j04j

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  • Carbon 1s photoelectron asymmetry parameters β for the chlorinated and the methyl carbon atom of CH₃CH₂Cl, CH₃CHCl₂, and CH₃CCl₃ have been measured using synchrotron radiation in the 340-600 eV energy range. We provide experimental evidence that the intramolecular scattering strongly affects beta values, even far from the ionization threshold. The results are in agreement with B-spline density functional theory calculations, making it possible to single out the behavior of the various continuum partial waves. We conclude that the intramolecular scattering makes electron angular distributions sensitive to the chemical environment, even in isolated gas phase molecules.
  • Keywords: Molecular orbital methods, Edge, Gaussian basis sets, Absorption fine structure, Row atoms, Photoemission, Wave functions, Potentials, 1s photoelectron spectroscopy, Photoionization
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  • Patanen, M., Saethre, L., Miron, C., Travnikova, O., Zahl, M., Soderstrom, J., . . . Borve, K. (2013). Laboratory-frame electron angular distributions: Probing the chemical environment through intramolecular electron scattering. Physical Review A, 87(6) doi:10.1103/PhysRevA.87.063420
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  • 87
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  • 6
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  • This work has been supported by the European Union Seventh Framework Programme FP7/2007-2013 under Grant Agreement No. 252781 (O.T.) and the I3 program (L.S.,S.S.), the Scientific Research Council (V.R.) in Sweden (S.S.,N.M.), the Norwegian Research Council (K.B., L.S.), the Knut and Alice Wallenberg Foundation (J.S.), and Triangle de la Physique, France under Contract No. 2007-010T (S.S.).
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