CE30 - Physique de la matière condensée et de la matière diluée

HYdrogenated and Dehydrogenated RAdical Electronic spectroscopy – HYDRAE

Submission summary

The HYDRAE project will explore the almost entirely unknown physical properties of neutral aromatic radicals, both in the isolated gas phase and in aggregates with solvent molecules. Dehydrogenated/ hydrogenated radicals intervene in all concerted Proton Coupled Electron Transfer (PCET) processes, which are the basis of many critical biological reactions. These species are also implicated in molecular hydrogen formation in the interstellar medium and in soot formation. We propose to study the UV-visible and IR spectroscopy of this largely unexplored class of molecular system, to determine the influence of heteroatoms or chemical functionalisation (amino, carbonyl, etc), size of the aromatic chromophore, and solvation upon the radical’s formation, structure and stability. These questions will be addressed by performing electronic spectroscopy and mass spectrometry on functionalised aromatic molecules in their (de)hydrogenated forms in a cryogenically-cooled ion trap or supersonic jet.

Project coordination

Jennifer Noble (Physique des interactions ioniques et moléculaires)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

PIIM Physique des interactions ioniques et moléculaires

Help of the ANR 304,729 euros
Beginning and duration of the scientific project: February 2022 - 48 Months

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