The millimeter-wave rotational spectrum of CF3CCD in the excited vibrational state v10=2 |
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Authors: | Masoud Motamedi John H Carpenter |
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Institution: | a Department of Chemistry, University of Kurdistan, Sanandaj, Iran b Department of Chemistry, University of Newcastle upon Tyne, Newcastle upon Tyne NE1 7RU, UK |
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Abstract: | The millimetre-wave rotational spectra of the excited vibrational state v10=2 of the symmetric top molecule, CF3CCD, have been recorded for J′′=12 up to J′′=25. The l=±2 and l=0 series have been assigned and the spectra analysed to give rotational parameters including xll=7716.975 MHz. The main interactions between states of different l are the rt(2,−1)=0.158 MHz and qt+(2,2)=3.308 MHz. Two type of l-resonance are identified, one of which is due to an avoided crossing between the l=0 and l=+2 series. The spectra are qualitatively similar to the corresponding ones of CF3CCH. |
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Keywords: | Millimetre-wave rotational spectra Excited vibrational state Symmetric top molecules l-Resonance CF3CCD |
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