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Issue 7, 2001
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Millimetre- and submillimetre-wave spectroscopy of 13Cand 15N isotopomers of cyanoacetylene, HCCCN, in the ground andvibrationally excited states

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Abstract

The pure rotational spectra of the astrophysically important monosubstituted HC3N-isotopomers HCC13CN, HC13CCN, H13CCCN and HCCC15N in their ground and various vibrationally excited states, which will be denoted ([italic v (to differentiate from Times ital nu)]4, [italic v (to differentiate from Times ital nu)]5, [italic v (to differentiate from Times ital nu)]6, [italic v (to differentiate from Times ital nu)]7) hereafter, have been studied extensively in the 2 mm region. Transitions of the ground vibrational states and vibrational satellites appendant to the two lowest bending fundamentals [italic v (to differentiate from Times ital nu)]6 and [italic v (to differentiate from Times ital nu)]7 have been measured up to 625 GHz. The Fermi resonance system (0,1,0,0)/(0,0,0,3) has been analyzed for the HCC13CN and H13CCCN isotopomers for the first time. Furthermore, pure rotational transitions of the four doubly substituted isotopomers HC13C13CN, H13CC13CN, H13C13CCN and HCC13C15N could be detected for the first time, not only in the ground but also in vibrationally excited states. This work is to provide accurate the astronomical community.

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Publication details

The article was received on 05 Dec 2000 and first published on 13 Mar 2001


Article type: Paper
DOI: 10.1039/B009743H
Citation: Phys. Chem. Chem. Phys., 2001,3, 1236-1241
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    Millimetre- and submillimetre-wave spectroscopy of 13C and 15N isotopomers of cyanoacetylene, HCCCN, in the ground and vibrationally excited states

    S. Thorwirth, H. S. P. Müller and G. Winnewisser, Phys. Chem. Chem. Phys., 2001, 3, 1236
    DOI: 10.1039/B009743H

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