Issue 22, 2022

Influence of the emission site on the photoelectron circular dichroism in trifluoromethyloxirane

Abstract

We report a joint experimental and theoretical study of the differential photoelectron circular dichroism (PECD) in inner-shell photoionization of uniaxially oriented trifluoromethyloxirane. By adjusting the photon energy of the circularly polarized synchrotron radiation, we address 1s-photoionization of the oxygen, different carbon, and all fluorine atoms. The photon energies were chosen such that in all cases electrons with a similar kinetic energy of about 11 eV are emitted. Employing coincident detection of electrons and fragment ions, we concentrate on identical molecular fragmentation channels for all of the electron-emitter scenarios. Thereby, we systematically examine the influence of the emission site of the photoelectron wave on the differential PECD. We observe large differences in the PECD signals. The present experimental results are supported by corresponding relaxed-core Hartree–Fock calculations.

Graphical abstract: Influence of the emission site on the photoelectron circular dichroism in trifluoromethyloxirane

Supplementary files

Article information

Article type
Paper
Submitted
10 yan 2022
Accepted
21 apr 2022
First published
27 may 2022
This article is Open Access
Creative Commons BY-NC license

Phys. Chem. Chem. Phys., 2022,24, 13597-13604

Influence of the emission site on the photoelectron circular dichroism in trifluoromethyloxirane

K. Fehre, F. Trinter, N. M. Novikovskiy, S. Grundmann, D. Tsitsonis, S. Eckart, L. Bauer, M. Hilzinger, T. Jahnke, R. Dörner, P. V. Demekhin and M. S. Schöffler, Phys. Chem. Chem. Phys., 2022, 24, 13597 DOI: 10.1039/D2CP00143H

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