Observation of Enhanced Chiral Asymmetries in the Inner-Shell Photoionization of Uniaxially Oriented Methyloxirane Enantiomers.
In: The journal of physical chemistry letters, Jg. 8 (2017-07-06), Heft 13, S. 2780-2786
academicJournal
Zugriff:
Most large molecules are chiral in their structure: they exist as two enantiomers, which are mirror images of each other. Whereas the rovibronic sublevels of two enantiomers are almost identical (neglecting a minuscular effect of the weak interaction), it turns out that the photoelectric effect is sensitive to the absolute configuration of the ionized enantiomer. Indeed, photoionization of randomly oriented enantiomers by left or right circularly polarized light results in a slightly different electron flux parallel or antiparallel with respect to the photon propagation direction-an effect termed photoelectron circular dichroism (PECD). Our comprehensive study demonstrates that the origin of PECD can be found in the molecular frame electron emission pattern connecting PECD to other fundamental photophysical effects such as the circular dichroism in angular distributions (CDAD). Accordingly, distinct spatial orientations of a chiral molecule enhance the PECD by a factor of about 10.
Titel: |
Observation of Enhanced Chiral Asymmetries in the Inner-Shell Photoionization of Uniaxially Oriented Methyloxirane Enantiomers.
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Autor/in / Beteiligte Person: | Tia, M ; Pitzer, M ; Kastirke, G ; Gatzke, J ; Kim, HK ; Trinter, F ; Rist, J ; Hartung, A ; Trabert, D ; Siebert, J ; Henrichs, K ; Becht, J ; Zeller, S ; Gassert, H ; Wiegandt, F ; Wallauer, R ; Kuhlins, A ; Schober, C ; Bauer, T ; Wechselberger, N ; Burzynski, P ; Neff, J ; Weller, M ; Metz, D ; Kircher, M ; Waitz, M ; Williams, JB ; Schmidt, LPH ; Müller, AD ; Knie, A ; Hans, A ; Ben Ltaief, L ; Ehresmann, A ; Berger, R ; Fukuzawa, H ; Ueda, K ; Schmidt-Böcking, H ; Dörner, R ; Jahnke, T ; Demekhin, PV ; Schöffler, M |
Zeitschrift: | The journal of physical chemistry letters, Jg. 8 (2017-07-06), Heft 13, S. 2780-2786 |
Veröffentlichung: | Washington, D.C. : American Chemical Society, 2017 |
Medientyp: | academicJournal |
ISSN: | 1948-7185 (electronic) |
DOI: | 10.1021/acs.jpclett.7b01000 |
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