Fourfold Differential Photoelectron Circular Dichroism

We report on a joint experimental and theoretical study of photoelectron circular dichroism (PECD) in methyloxirane. By detecting O 1s photoelectrons in coincidence with fragment ions, we deduce the molecule's orientation and photoelectron emission direction in the laboratory frame. Thereby, we...

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Bibliographic Details
Published in:Physical review letters 2021-09, Vol.127 (10), p.103201-103201, Article 103201
Main Authors: Fehre, K., Novikovskiy, N. M., Grundmann, S., Kastirke, G., Eckart, S., Trinter, F., Rist, J., Hartung, A., Trabert, D., Janke, C., Nalin, G., Pitzer, M., Zeller, S., Wiegandt, F., Weller, M., Kircher, M., Hofmann, M., Schmidt, L. Ph. H., Knie, A., Hans, A., Ltaief, L. Ben, Ehresmann, A., Berger, R., Fukuzawa, H., Ueda, K., Schmidt-Böcking, H., Williams, J. B., Jahnke, T., Dörner, R., Schöffler, M. S., Demekhin, Ph. V.
Format: Article
Language:English
Subjects:
Dichroism
Electronic structure
Photoelectrons
Vapor phases
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Summary:We report on a joint experimental and theoretical study of photoelectron circular dichroism (PECD) in methyloxirane. By detecting O 1s photoelectrons in coincidence with fragment ions, we deduce the molecule's orientation and photoelectron emission direction in the laboratory frame. Thereby, we retrieve a fourfold differential PECD clearly beyond 50%. This strong chiral asymmetry is reproduced by ab initio electronic structure calculations. Providing such a pronounced contrast makes PECD of fixed-in-space chiral molecules an even more sensitive tool for chiral recognition in the gas phase.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.127.103201