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dc.creatorDijk, Cody W. Vanen_US
dc.creatorSun, Mingen_US
dc.creatorWijngaarden, Jennifer Vanen_US
dc.date.accessioned2012-07-09T19:30:13Z
dc.date.available2012-07-09T19:30:13Z
dc.date.issued2012en_US
dc.identifier2012-TH-08en_US
dc.identifier.urihttp://hdl.handle.net/1811/52434
dc.descriptionAuthor Institution: Department of Chemistry, University of Manitoba, Winnipeg MB R3T 2N2 Canadaen_US
dc.description.abstractThe ground state rotational spectra of a series of fluorinated pyridines have been measured using a Balle-Flygare Fourier transform microwave (FTMW) spectrometer and a chirped pulse Fourier transform microwave (cp-FTMW) instrument between 8 and 23 GHz. The species under investigation include 2- and 3-fluoropyridine as well as 2,3-, 2,4-, 2,5-, 2,6- and 3,5-difluoropyridine. In addition to the parent species, the spectra of the $^{13}$C and $^{15}$N singly-substituted isotopologues were recorded in natural abundance and used to calculate relevant geometric parameters of the pyridine ring backbone. Analysis of the $^{14}$N hyperfine structure provided an additional source of information about the electronic structure surrounding the nitrogen atom as a function of fluorine substitution. The experimental results are compared with those from \emph{ab initio} theory and are consistent with a bonding model that involves donation of electron density from fluorine into the $\pi$-system of pyridine.en_US
dc.language.isoenen_US
dc.publisherOhio State Universityen_US
dc.titleROTATIONAL SPECTRA AND STRUCTURES OF THE MONO- AND DI-FLUORINATED PYRIDINESen_US
dc.typeArticleen_US
dc.typeImageen_US
dc.typePresentationen_US


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