Infrared diode laser kinetic spectroscopy of the CCD radical ν3 band
- 1 June 1988
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 88 (11) , 6699-6701
- https://doi.org/10.1063/1.454414
Abstract
Infrared diode laser kinetic spectroscopy was applied to the photodecomposition of the deuterated acetylene at 193 nm to observe the ν3 (C=C stretching) band of the CCD radical. The band origin which was derived from the observed spectrum is 1743.1785 (3) cm−1, in agreement with the result of a previous matrix study. As in the case of CCH, the spin–rotation interaction constant was found to change by as much as 31% upon ν3 excitation, presumably because of the interaction with the lowest excited electronic state. Many lines with lifetimes shorter than those of the ν3 band were observed, but remained to be assigned.Keywords
This publication has 19 references indexed in Scilit:
- The à 2Π–X̃ 2Σ+ transition of HC2 isolated in solid argonThe Journal of Chemical Physics, 1987
- Laboratory and astronomical detection of the deuterated ethynyl radical CCDThe Astrophysical Journal, 1985
- Astronomical identification of the C3H radicalThe Astrophysical Journal, 1985
- Theoretical equilibrium geometry, vibrational frequencies and the first electronic transition energy of HCCMolecular Physics, 1983
- Laboratory and astronomical measurement of the millimeter wave spectrum of the ethynyl radical CCHThe Astrophysical Journal, 1983
- Detection of the N = 1 - 0 transition of C4HThe Astrophysical Journal, 1982
- The increasing chemical complexity of the Taurus dark clouds - Detection of CH3CCH and C4HThe Astrophysical Journal, 1981
- Calculated potential surfaces for the description of the emission spectrum of the C2H radicalJournal of Molecular Spectroscopy, 1979
- Matrix isolation study of the vibrational spectrum and structure of HC2Chemical Physics, 1975
- The ethynyl radical C2H - A new interstellar moleculeThe Astrophysical Journal, 1974