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EXPERIMENTAL STUDIES OF THE ASYMMETRICALLY DEUTERATED METHOXY RADICALS WITH THE FASSST TECHNIQUE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/21538

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Title: EXPERIMENTAL STUDIES OF THE ASYMMETRICALLY DEUTERATED METHOXY RADICALS WITH THE FASSST TECHNIQUE
Creators: Melnik, Dmitry G.; Stakhursky, Vadim; Lozovsky, Vladimir A.; Miller, Terry A.; Moore, C. Bradley; De Lucia, Frank C.
Issue Date: 2004
Publisher: Ohio State University
Abstract: Asymmetrically deuterated methoxy radicals were experimentally studied in a direct absorption experiment using the pulsed jet FASSST $spectrometer^{a}$ in the range of 153-251 GHz. The radical species were produced in a gas discharge in a supersonic jet by a Stark-free coaxial electrode arrangement, mounted on a top of the nozzle. Observed transitions were attributed to methoxy only if they satisfied the following criteria: i) originated from a transient species, observable only under discharge conditions; ii) appeared in spectra recorded with both precursors used (methanol and methyl nitrite); iii) matched no reported transitions in other molecules (e.g. formaldehyde) found in discharge; iv) exhibited paramagnetic properties. The spectra were assigned by comparison of the experimentally obtained pattern with ones produced by the SpecView program using the $available^{b}$ Hamiltonian and molecular constants with a subsequent fit of the experimental data to the theoretical model.
URI: http://hdl.handle.net/1811/21538
Other Identifiers: 2004-WJ-09
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