Laboratory measurement of the millimeter and submillimeter wave spectrum of C2H3(+)

Details Laboratory measurement of the millimeter and submillimeter wave spectrum of C2H3(+) Laboratory measurement of the millimeter and submillimeter wave spectrum of C2H3(+)

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...399l.103b&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 399, no. 1, p. L103-L105.

Astronomy and Astrophysics

Astronomy

11

Acetylene, Millimeter Waves, Molecular Ions, Molecular Spectroscopy, Radio Astronomy, Submillimeter Waves, Argon, Cryogenic Temperature, Glow Discharges, Hydrogen, Interstellar Matter, Magnetic Field Configurations

Scientific paper

The millimeter and submillimeter wave spectrum of C2H3(+) has been observed in a negative glow discharge extended by an axial magnetic field, in a mixture of C2H2, H2, and Ar cooled at liquid nitrogen temperature. Seventeen lines have been measured in the 195-470 GHz frequency range. They fit very well with the combination differences derived from the IR spectrum, using a conventional S-reduced Watson Hamiltonian. No tunneling splitting has been observed. Line frequencies of astrophysical interest have been measured or predicted with an accuracy convenient for radio-astronomical searches.

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