Chirped-pulse Fourier Transform Microwave Spectroscopy of Perfluoroiodoethane
The pure rotational spectrum of perfluoroiodoethane between 8.0 and 11.9 GHz has been measured on a search accelerated, correct intensity Fourier transform microwave (SACI-FTMW) spectrometer. the spectra is dense with 247 measured transitions in the given region. Only the anti conformer was observed for which rotational constants are reported. Nuclear electric quadrupole coupling constants due to the iodine-127 were determined and are reported. Also, two dipole forbidden/quadrupole allowed Δ J = 2 transitions were observed in the spectra. the observation of these transitions has been rationalized on the basis of near degeneracies between energy levels connected by χab.
G. S. Grubbs and S. A. Cooke, "Chirped-pulse Fourier Transform Microwave Spectroscopy of Perfluoroiodoethane," Journal of Molecular Structure, vol. 963, no. 1, pp. 87-91, Elsevier, Jan 2010.
The definitive version is available at https://doi.org/10.1016/j.molstruc.2009.10.019
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