ANALYSIS OF THE INFRARED-ACTIVE STRETCHING FUNDAMENTAL OF $UF_{6}$

Assignments of the $U F 6$ spectra described in the preceeding paper will be discussed. A total of 43 line frequencies and 110 frequency differences extending in J to P(77), Q(91), and R(67) has been used to fit seven spectroscopic constants. High-J data allowed the independent fitting of ( $B ζ) 3$ and hence of the rotational constants $\dag$ and $B U$ . The derived U-F bond length in the ground vibrational state is $r 0 =1.9962±0.0007$ \AA. The use of frequency differences as a supplement to absolutely-calibrated transition frequencies in fitting spectroscopic and molecular constants will be discussed.

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Author Institution: Los Alamos National Laboratory, University of California; Los Alamos National Laboratory, University of California; Department of Physics and Astronomy, University of Tennessee; Los Alamos National Laboratory, University of California; Los Alamos National Laboratory, University of California; Los Alamos National Laboratory, University of California

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http://hdl.handle.net/1811/12077

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1980-1989

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