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dc.creatorMcCarthy, Michael C.en_US
dc.creatorThaddeus, Patricken_US
dc.date.accessioned2008-07-15T13:38:58Z
dc.date.available2008-07-15T13:38:58Z
dc.date.issued2008en_US
dc.identifier2008-FC-04en_US
dc.identifier.urihttp://hdl.handle.net/1811/33367
dc.descriptionAuthor Institution: Harvard-Smithsonian Center for Astrophysics, 60 Garden St.; Cambridge, MA 02138, and School of Engineering \& Applied Sciences, Harvard University, 29 Oxford St., Cambridge, MA 02138}en_US
dc.description.abstractThe rotational spectra of C$_3$N$^-$, C$_4$H$^-$, and C$_4$D$^-$ have been observed at high spectral resolution by Fourier transform microwave spectroscopy. For both C$_3$N$^-$and C$_4$D$^-$, frequencies of the hyperfine components in the lowest-$J$ transitions have been determined to better than 0.1 ppm. The derived quadrapole coupling constants $eQq$ for both anions are in good agreement with theoretical predictions. A number of other properties of these anions, including linewidths and rotational temperatures, have been systematically studied with respect to similar-sized neutral molecules. The production of C$_4$H$^-$ using different hydrocarbon precursor and buffer gases has also been investigated.en_US
dc.language.isoEnglishen_US
dc.publisherOhio State Universityen_US
dc.titleHIGH-RESOLUTION ROTATIONAL SPECTROSCOPY OF THE CARBON CHAIN ANIONS C$_3$N$^-$, C$_4$H$^-$, AND C$_4$D$^-$en_US
dc.typeArticleen_US


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