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NETLINCS - New Trends in Linear and Non-LInear Spectroscopic Studies of Natural Chirality

Dec 3 – 4, 2024
Adriatico Guesthouse, ICTP, Trieste, Italy
Europe/Rome timezone

Session

Gas Phase Studies

Dec 3, 2024, 2:10 PM
Sala Kastler (Adriatico Guesthouse, ICTP, Trieste, Italy)

Sala Kastler

Adriatico Guesthouse, ICTP, Trieste, Italy

Presentation materials

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  1. 8. High Resolution Spectroscopy and Molecular Chirality: Symmetries and primary processes between less than yoctoseconds and more than days
    Martin Quack (ETH Zurich Department of Chemistry and Applied Biosciences Vladimir Prelog Weg 2 CH-8093 Zurich Switzerland)
    12/3/24, 2:10 PM
    Oral

    www.ir.ETHz.CH

    Molecular quantum dynamics, the primary processes of molecules in motion, provide the foundation of all chemical processes, covering combustion as an early and still today important use of chemistry by mankind, the chemistry of planetary atmospheres and of interstellar space, of large scale industrial syntheses, catalysis, and also of the microscopic biomolecular processes in...

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  2. 3. Recent results on static valence-shell Photo-Electron Circular Dichroism (PECD) on gas phase systems
    Dr Laurent Nahon (Synchrotron SOLEIL, Saclay, France)
    12/3/24, 2:50 PM
    Oral

    Within a bottom/up approach of molecular complexity, the study of isolated, substrate- and solvent-free chiral species is crucial, but classical chiroptical probes such as Circular Dichroism (CD) in absorption are poorly adapted to dilute matter because of their very weak associated asymmetries.
    At the opposite, two decades ago was introduced a new chiroptical effect called Photoelectron...

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  3. 30. Advances in time-resolved photoelectron circular dichroism of chiral molecules in the gas phase
    Dr Vincent Wanie (Deutsches Elektronen-Synchrotron DESY, Germany)
    12/3/24, 3:30 PM
    Oral

    PhotoElectron Circular Dichroism (PECD) is an effect driven by electric dipole interactions between an ensemble of chiral molecules and ionizing circularly polarized light [1,2]. It results in a preferential emission direction of photoelectrons along the light propagation axis, leading to an asymmetry that can be observed by recording their angular distribution with an electron detector....

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  4. 22. Core-level photoelectron spectroscopy for the investigation of ultrafast chiral dynamics in molecules
    Dr Caterina Vozzi (CNR-IFN, Milano, Italy)
    12/3/24, 4:40 PM
    Oral

    A molecule is chiral if it lacks both a plane and a center of symmetry, resulting in two non-superimposable mirror-image forms known as enantiomers. Chirality is crucial in the physical and biological sciences because enantiomers, despite having the same chemical structure, often exhibit different chemical and physical properties when interacting with other chiral entities. While chirality is...

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