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The Millimeter- and Submillimeter-Wave Spectrum of Ethylene Oxide (c-C2H4O)

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Title: The Millimeter- and Submillimeter-Wave Spectrum of Ethylene Oxide (c-C2H4O)
Creators: Pan, J.; Albert, Sieghard; Sastry, K. V. L. N.; Herbst, Eric; De Lucia, Frank C.
Keywords: ISM: molecules
methods: laboratory
molecular data
radio lines: ISM
Issue Date: 1998-05-20
Publisher: American Astronomical Society
Citation: J. Pan et al, "The Millimeter- and Submillimeter-Wave Spectrum of Ethylene Oxide (c-C2H4O)," The Astrophysical Journal 499, no. 1 (1998), doi:10.1086/305638
DOI: 10.1086/305638
Abstract: The cyclic molecule ethylene oxide (c-C_2 H_4 O) has recently been detected in the interstellar source Sgr B2N. Previous laboratory work on the rotational spectrum of this molecule extends only to a frequency of 123 GHz. We report here the extension of the laboratory rotational spectrum of this species through the frequency range 262-358 GHz using a new fast scan spectrometer (FASSST). The newly measured lines have been combined with previous data at lower frequencies to form a data set consisting of 662 lines that has been assigned and fitted via a standard semirigid asymmetric top analysis. The spectral constants obtained from the fit have allowed us to predict the frequencies of many additional lines.
ISSN: 1538-4357
URI: http://hdl.handle.net/1811/47853
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