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SYHR: High resolution spectroscopy – modern trends and new techniques

SYHR 1: High resolution spectroscopy - modern trends and new techniques I

SYHR 1.3: Hauptvortrag

Donnerstag, 5. März 2009, 11:50–12:30, VMP 8 R05

High resolution electronic spectroscopy of anisole dimer — •Giangaetano Pietraperzia¹, Massimiliano Pasquini¹, Nicola Schiccheri², Giovanni Piani², and Maurizio Becucci¹ — ¹LENS and Dipartimento di Chimica, Polo Scientifico e Tecnologico Università di Firenze, Via Nello Carrara 1, I-50019 Sesto Fiorentino (FI), Italy — ²LENS Polo Scientifico e Tecnologico Università di Firenze, Via Nello Carrara 1, I-50019 Sesto Fiorentino (FI), Italy

We report the results of an experimental study of the anisole dimer, formed in a molecular beam apparatus. The dimer was studied by the resonance enhanced multiphoton ionization (REMPI) and by high resolution laser induced fluorescence (HR-LIF)techniques. From a complete assignment of the rotational structure of the band it was possible to obtain important structural information. From a comparison with the results of high level quantum calculations it was possible to infer the equilibrium structure of the complex experimentally studied. The study presented here reports on the first results of a characterization of a complex stabilized mainly by the stacking interaction, investigated at complete rotational resolution.