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Title:SPECTROSCOPIC STUDIES OF PROTONATED AMINES: CH3NH3+ AND C2H5NH3+
Author(s):Schlemmer, Stephan
Contributor(s):Asvany, Oskar ; Brünken, Sandra ; Töpfer, Matthias ; Schmid, Philipp C; Thorwirth, Sven
Subject(s):Ions
Abstract:Mid-infrared spectra of protonated methylamine, CH$_3$NH$_3^+$, and ethylamine, C$_2$H$_5$NH$_3^+$, have been recorded using the FELion ion trap connected to the Free Electron Laser for Infrared eXperiments (FELIX; Radboud University, Nijmegen, The Netherlands) employing infrared photodissociation of the corresponding neon-clusters. In addition, the pure rotational spectrum of CH$_3$NH$_3^+$ has been observed for the first time. Rotational transitions were observed in the frequency region between 80 and 240\,GHz in the Coltrap apparatus using the method of state-selective He-attachment. In contrast to methylamine which features a complex CH$_3$-internal-rotation/NH$_2$-inversion spectrum, its protonated variant CH$_3$NH$_3^+$ exhibits the spectrum of a simple symmetric rotor in its ground vibrational state.
Issue Date:2019-06-19
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/104528
DOI:10.15278/isms.2019.WF04
Rights Information:Copyright 2019 Stephan Schlemmer
Date Available in IDEALS:2019-07-15
2020-01-25


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