Rostock 2019 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 10: Posters 1: Cold Molecules, High Resolution Spectroscopy, and Theory

MO 10.13: Poster

Dienstag, 12. März 2019, 16:30–18:30, S Foyer LLM

Investigation of quadrupole moment effects on the determination of excited state dipole moments in solution — •Matthias Zajonz, Tim Oberkirch, Mirko Lindic, and Michael Schmitt — Institute for Physical Chemistry I, Heinrich-Heine-University Düsseldorf

The molecule under investigation, 2,5-cyclohexadiene-1,4-dione (p-benzoquinone), is highly symmetric and by looking at its structure it is obviuos that it has a quadrupole moment instead of a dipole moment.

To improve thermochromic methods for determination of excited state dipole moments in solution the effects of quadrupole moments have to be investigated.

For the molecule under investigation we measured thermochromic shifts, in order to asses the influence of quadrupole moments on the dipole moment determination in electronically excited states.