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SAMOP 2023 – scientific programme

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MO: Fachverband Molekülphysik

MO 13: Poster II

MO 13.12: Poster

Wednesday, March 8, 2023, 16:30–19:00, Empore Lichthof

Reactive Scattering of the oxygen atom transpher reaction between Carbondioxide and group V cations — •Maximilian Huber1, Marcel Meta1, Atilay Ayasli2, Tim Michaelsen2, Roland Wester2, and Jennifer Meyer11RPTU Kaiserslautern-Landau Fachbereich Chemie, Kaiserslautern, Germany — 2Universität Innsbruck Institut für Ionenphysik und angewandte Physik, Innsbruck, Austria

With our method we investigate the atomistic dynamics of elementary reactions like the oxygen atom transfer of CO2 with transition metal cations under single collision conditions. We achieve this by recording energy and angle differential cross sections by means of product ion velocity distributions after a reactive collision. [1]

Here, we present our first results for the oxygen atom transfer reaction Nb+ + CO2 —→ NbO+ + CO measured with our 3D crossed beam velocitiy map imaging experiment. The reaction is exothermic by 1.68 eV and is spin forbidden in its electronic ground state. Nevertheless the reaction was found to have relativ high reaction efficiencies at room temperature. [2,3] We recorded energy dependent velocity map images of the Niobium reaction at different energies. Also, we compared these results to the reaction of the heavier homologue tantalum Ta+ + CO2 —→ TaO+ + CO .
[1] J. Meyer, R. Wester, Annu. Rev. Phys. Chem. 2017, 68, 333. [2] M.R. Sievers, P.B. Armentrout, Int. J. Mass. Spec., 1998, 179/180, 103. [3] G. K. Koyanagi, D. K. Bohme, J. Phys. Chem. A 2006, 110, 1232.

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