The microwave spectrum of trifluoroacetonitrile in excited vibrational states |
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Authors: | MJ WhittleJG Baker |
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Institution: | Schuster Laboratory, The University, Manchester, England; Laboratorio di Spettroscopia Molecolare, C.N.R., Bologna, Italy |
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Abstract: | The microwave transitions J → J + 1 have been observed in the symmetric top molecule trifluoroacetonitrile, CF3CN, for molecules excited into several of the low-lying vibrational states. Measurements made in the degenerate states v7 = 1 v8 = 1 have been fitted to the formula derived by Grenier-Besson and Amat (1) for transitions J → J + 1 in degenerate vibrational states of molecules with C3v symmetry. The measurements for the state v8 = 1 have been extended to 150 GHz where it is shown that the above formula becomes inadequate to describe accurately the observed spectrum. |
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