THE HIGH RESOLUTION EMISSION SPECTRUM OF GASEOUS LiF.

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1991

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Ohio State University

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The high resolution infrared spectrum of LiF has been measured in emission with the McMath Fourier transform interferometer at Kitt Peak. 800 lines with $\nu=1\rightarrow 0$ to $\nu=8\rightarrow 7$ of the main isotopomer $^{7}$LiF and 250 lines with $\nu=1\rightarrow 0$ to $\nu=3\rightarrow 2$ of the minor isotopomer $^{6}$LiF were observed. These ro-vibrational transitions and pure rotational transitions from the $literature^{1}$ were fit to a set of Dunham coefficients $Y_{ij}$ and a set of mass-reduced Dunham coefficients $U_{ij}$. The infrared spectrum of LiF was found ``accidentally"" during an attempt to measure the infrared spectrum of $MgF_{2}$. $^{1}$ F.F. Pearson and W. Gordy, Phys. Rev., 177, 52--58 (1969)

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Author Institution: Department of Chemistry, University of Waterloo, Centre of Molecular Beam and Laser Chemistry; Department of Chemistry, University of Arizona

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