# HYPERFINE STRUCTURE IN THE PURE ROTATIONAL SPECTRUM OF $^{208}$Pb$^{35}$Cl

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 Title: HYPERFINE STRUCTURE IN THE PURE ROTATIONAL SPECTRUM OF $^{208}$Pb$^{35}$Cl Creators: Dewberry, Christopher T.; Grubbs, Garry S., II; Etchison, Kerry C.; Cooke, Stephen A. Issue Date: 2010 Publisher: Ohio State University Abstract: Initially in our laboratory the pure rotational spectrum of the title molecule was studied using a Balle-Flygare Fourier transform microwave spectrometer. Analysis was troublesome and so the spectrum was remeasured using a chirped pulse Fourier transform microwave (CP-FTMW) spectrometer. The correct intensity aspect of the CP-FTMW experiment allowed succesful quantum number assignments for the hyperfine structure for the correct isotopologue. Spectroscopic constants have been obtained from a fit to a data set consisting of our measurements combined with those of a prior study on the $X_2^2\Pi_{\frac{3}{2}} \rightarrow X_1^2\Pi_{\frac{1}{2}}$ fine structure transitions nderline{\textbf{191}} 108, 1998.}. Description: Author Institution: Department of Chemistry, University of North Texas, 1155 Union Circle \#305070, Denton, Tx 76203-5017, U.S.A URI: http://hdl.handle.net/1811/46067 Other Identifiers: 2010-RC-07