dc.creator Novick, Stewart E. en_US dc.creator Chen, Wei en_US dc.creator McCarthy, M. C. en_US dc.creator Gottlieb, C. A. en_US dc.creator Thaddeus, P. en_US dc.date.accessioned 2007-11-20T17:10:30Z dc.date.available 2007-11-20T17:10:30Z dc.date.issued 1995 en_US dc.identifier 1995-RJ-08 en_US dc.identifier.uri http://hdl.handle.net/1811/29692 dc.description 1. M. C. McCarthy, C. A. Gottlieb, and P. Thaddeus, accompanying paper presented during this Symposium. en_US dc.description Author Institution: Wesleyan University, Middletown, CT 06459.; Harvard University, 29 Oxford Street, Cambridge, MA 02138; Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138. en_US dc.description.abstract The N = 1 - 0 microwave transitions of the ground $^{2}\Sigma^{+}$ electronic state of all four singly substituted $^{13}C$ isotopomers of linear CCCCH have been measured by pulsed-jet Fourier transform microwave spectoscopy. The 1-0 rotational transition is split into many resolvable components due to hyperfine interactions between the electronic spin and a) the molecular rotation, b) the spin of the proton, and c) the nuclear spin of the $^{13}C$. The microwave transition frequencies are combined with the millimeter-wave $data^{1}$ to produce a consistent set of rotational and hyperfine interaction constants. In particular, the Fermi contact interaction of the $^{13}C$ nucleus has been measured for each of the substituted positions to provide information on the unpaired spin density along the carbon chain. The Fermi contact constants, $b_{F}(^{13}C)$, of 396.8(6),57.49(5),-9.54(2), and 18.56(4) MHz, for successive $^{13}C$ substitutions starting furthest from the hydrogen are consistent with an electronic structure which is represented as mainly. $C \equiv C-C \equiv C-H$. en_US dc.format.extent 72373 bytes dc.format.mimetype image/jpeg dc.language.iso English en_US dc.publisher Ohio State University en_US dc.title CARBON-13 HYPERFINE STRUCTURE OF THE CCCCH RADICAL en_US dc.type article en_US
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