JET COOLED ROTATIONAL SPECTRA OF LASER ABLATED URACIL AND THYMINE
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Date
2005
Journal Title
Journal ISSN
Volume Title
Publisher
Ohio State University
Abstract
The rotational spectra of the nitrogen bases uracil}, \textbf{110}, 2329 (1988)} (m.p. 335 $^{irc}$C) and thymine}, 37, (1989)} (m.p. 316 $^{irc}$C) have been observed in the 6-18 GHz frequency range by using a Laser-Ablation Molecular Beam Fourier Transform Microwave Spectrometer (LA-MB-FTMW).}, \textbf{74}, 4799 (2003).} The nuclear quadrupole coupling hyperfine structure corresponding to the presence of two $^{14}$N atoms has been completely resolved for both molecular systems. The rotational spectrum of all uracil $^{13}$C and $^{15}$N monosubstituted isotopomers in their natural abundance are being observed. Following the characterization of these isotopomers, the uracil structure in gas phase will be obtained.
Description
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Author Institution: Grupo de Espectroscop\ia Molecular (GEM), Departamento de Qu\imica F\isica y Qu\imica Inorganica, Facultad de Ciencias, Universidad de Valladolid, E-47005 Valladolid, Spain
Author Institution: Grupo de Espectroscop\ia Molecular (GEM), Departamento de Qu\imica F\isica y Qu\imica Inorganica, Facultad de Ciencias, Universidad de Valladolid, E-47005 Valladolid, Spain