Hannover 2013 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 26: Electronic Spectroscopy II

MO 26.6: Vortrag

Donnerstag, 21. März 2013, 15:15–15:30, F 107

Characterization of the electronically excited states of methoxysubstituted indoles by high resolution electronic spectroscopy — •Josefin Rolf, Christian Brand, Olivia Oeltermann, Martin Wilke, and Michael Schmitt — Heinrich-Heine-Universität, Institut für Physikalische Chemie I, Düsseldorf

The rotationally resolved LIF spectra of several methoxyindoles were measured in order to determine the electronic nature of the lowest excited singlet states. Comparison of our experimental results to the ab initio calculations reveals a strong dependence of the transition dipole moment orientaion on the respective structure for 4- and 6-methoxyindole. Moreover, the excitations to the S₁ and S₂ states are predicted to be heavily mixed. The difficult of assignment of the eletronic states to the L_a and L_b states based on the calculations are discussed.