BROADBAND CHIRPED-PULSE FOURIER-TRANSFORM MICROWAVE SPECTROSCOPIC INVESTIGATION OF THE STRUCTURES OF THREE DIETHYLSILANE CONFORMERS
dc.creator | Steber, Amanda L. | en_US |
dc.creator | Obenchain, Daniel A. | en_US |
dc.creator | Peebles, Rebecca A. | en_US |
dc.creator | Peebles, Sean A. | en_US |
dc.creator | Neill, Justin L. | en_US |
dc.creator | Muckle, Matt T. | en_US |
dc.creator | Pate, Brooks H. | en_US |
dc.creator | Guirgis, Gamil A. | en_US |
dc.date.accessioned | 2009-07-29T13:00:21Z | |
dc.date.available | 2009-07-29T13:00:21Z | |
dc.date.issued | 2009 | en_US |
dc.identifier | 2009-RH-08 | en_US |
dc.identifier.uri | http://hdl.handle.net/1811/38308 | |
dc.description | S.A. Peebles, M.M. Serafin, R.A. Peebles, G.A. Guirgis, and H.D. Stidham \textit{J.~Phys.~Chem.~A | en_US |
dc.description | Author Institution: Department of Chemistry, Eastern Illinois University, 600; Lincoln Avenue, Charleston, IL 61920; Department of Chemistry, University of Virginia; Charlottesville, VA 22904; Department of Chemistry and Biochemistry, The College of; Charleston, Charleston, SC 29424 | en_US |
dc.description.abstract | The rotational spectrum of diethylsilane has been assigned using broadband chirped-pulse Fourier-transform microwave (CP-FTMW) spectroscopy. Previously, Fourier-transform microwave rotational spectra were observed using a Balle-Flygare type instrument for the $^{28}$Si isotopologues of the gauche-gauche, trans-gauche, and trans-trans conformers., (2009), DOI: 10.1021/jp811049n.} In the present study, a broadband microwave spectrum was obtained at the University of Virginia, taking advantage of the ability to perform deep signal averaging to increase the measurement sensitivity. To obtain a full structural determination of the conformers of this molecule, spectra for the $^{29}$Si, $^{30}$Si, and single $^{13}$C substitutions for the gauche-gauche, the trans-gauche, and the trans-trans species were assigned. Substitution ($r_s$) structures and inertial fit ($r_0$) structures were determined and a comparison between the experimental and ab initio structures will be presented. For the $^{28}$Si isotopologues, the percent differences between the experimental and ab initio rotational constants are less than 1.5\% for the trans-trans and trans-gauche and are between 2.0 and 5.0\% for the gauche-gauche conformer. The structural parameters will be compared between this molecule, diethylgermane and other silicon containing molecules and the relative abundances of the three conformers will be discussed. | en_US |
dc.language.iso | English | en_US |
dc.publisher | Ohio State University | en_US |
dc.title | BROADBAND CHIRPED-PULSE FOURIER-TRANSFORM MICROWAVE SPECTROSCOPIC INVESTIGATION OF THE STRUCTURES OF THREE DIETHYLSILANE CONFORMERS | en_US |
dc.type | Article | en_US |
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