Far-infrared Spectroscopy of Dimethyl-Ether and its 13C-enriched Isotopologues and First Spectroscopic Characterization of Tert-butyl-dibromophosphane

Kutzer, Pia

kassel university press, ISBN: 978-3-7376-0224-2, 2016, 148 Pages

URN: urn:nbn:de:0002-402257

DOI: 10.19211/KUP9783737602259

Zugl.: Kassel, Univ., Diss. 2016

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Content: In this study two different molecules, dimethylether and its ¹³C substituted isotopologues as well as tert-butyl-dibromophosphane have been spectroscopically investigated by the means of Fourier-Transform infrared spectroscopy.

The spectra of dimethyl-ether isotopologues were recorded at the AILES beamline at the SOLEIL Synchrotron facility in a spectral range between 70 cm-1 and 500 cm-1. Despite of recent laboratory studies and its increasing relevance to astrophysics, accurate high resolution spectra of the vibrational excited ν7 band of all isotopologues have been missing up to now.

Tert-butyl-dibromophosphane is a complex molecule and the main abundant isotopologue tBuP79Br81Br is chiral. All associated vibrational modes could be calculated. A first broadband spectrum of tert-butyl-dibromophosphane between 80cm-1 and 3100 cm-1 could be obtained by a combination of experiments at the Kassel university laboratories and at SOLEIL in France.

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