Element- and enantiomer-selective visualization of molecular motion in real-time

R. Mincigrucci (), J. R. Rouxel (), B. Rossi, E. Principi, C. Bottari, S. Catalini, J. S. Pelli-Cresi, D. Fainozzi, L. Foglia, A. Simoncig, A. Matruglio, G. Kurdi, F. Capotondi, E. Pedersoli, A. Perucchi, F. Piccirilli, A. Gessini, M. Giarola, G. Mariotto, M. Oppermann, S. Mukamel, F. Bencivenga, M. Chergui () and C. Masciovecchio ()
Additional contact information
R. Mincigrucci: Elettra Sincrotrone Trieste S.C.p.A.
J. R. Rouxel: École Polytechnique Fédérale de Lausanne
B. Rossi: Elettra Sincrotrone Trieste S.C.p.A.
E. Principi: Elettra Sincrotrone Trieste S.C.p.A.
C. Bottari: Elettra Sincrotrone Trieste S.C.p.A.
S. Catalini: Università di Firenze
J. S. Pelli-Cresi: Elettra Sincrotrone Trieste S.C.p.A.
D. Fainozzi: Elettra Sincrotrone Trieste S.C.p.A.
L. Foglia: Elettra Sincrotrone Trieste S.C.p.A.
A. Simoncig: Elettra Sincrotrone Trieste S.C.p.A.
A. Matruglio: CERIC-ERIC
G. Kurdi: Elettra Sincrotrone Trieste S.C.p.A.
F. Capotondi: Elettra Sincrotrone Trieste S.C.p.A.
E. Pedersoli: Elettra Sincrotrone Trieste S.C.p.A.
A. Perucchi: Elettra Sincrotrone Trieste S.C.p.A.
F. Piccirilli: Elettra Sincrotrone Trieste S.C.p.A.
A. Gessini: Elettra Sincrotrone Trieste S.C.p.A.
M. Giarola: University of Verona, Policlinico GB Rossi
G. Mariotto: University of Verona
M. Oppermann: École Polytechnique Fédérale de Lausanne
S. Mukamel: University of California Irvine
F. Bencivenga: Elettra Sincrotrone Trieste S.C.p.A.
M. Chergui: École Polytechnique Fédérale de Lausanne
C. Masciovecchio: Elettra Sincrotrone Trieste S.C.p.A.

Nature Communications, 2023, vol. 14, issue 1, 1-8

Abstract: Abstract Ultrafast optical-domain spectroscopies allow to monitor in real time the motion of nuclei in molecules. Achieving element-selectivity had to await the advent of time resolved X-ray spectroscopy, which is now commonly carried at X-ray free electron lasers. However, detecting light element that are commonly encountered in organic molecules, remained elusive due to the need to work under vacuum. Here, we present an impulsive stimulated Raman scattering (ISRS) pump/carbon K-edge absorption probe investigation, which allowed observation of the low-frequency vibrational modes involving specific selected carbon atoms in the Ibuprofen RS dimer. Remarkably, by controlling the probe light polarization we can preferentially access the enantiomer of the dimer to which the carbon atoms belong.

Date: 2023
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DOI: 10.1038/s41467-023-36047-5

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