High-energy molecular-frame photoelectron angular distributions: a molecular bond-length ruler

I. Vela-Peréz, F. Ota, A. Mhamdi, Y. Tamura, J. Rist, N. Melzer, S. Uerken, G. Nalin, N. Anders, D. You, M. Kircher, C. Janke, M. Waitz, F. Trinter*, R. Guillemin, M. N. Piancastelli, M. Simon, V. T. Davis, J. B. Williams, R. DörnerK. Hatada, K. Yamazaki, K. Fehre, Ph V. Demekhin*, K. Ueda, M. S. Schöffler, T. Jahnke*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We present a study on molecular-frame photoelectron angular distributions (MFPADs) of small molecules using circularly polarized synchrotron light. We find that the main forward-scattering peaks of the MFPADs are slightly tilted with respect to the molecular axis. This tilt angle is directly connected to the molecular bond length by a simple, universal formula. We apply the derived formula to several examples of MFPADs of C 1s and O 1s photoelectrons of CO, which have been measured experimentally or obtained by means of ab initio modeling.

Original languageEnglish
JournalPhysical Chemistry Chemical Physics
DOIs
StateAccepted/In press - 2023

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry

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