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PYROLYSIS JET SPECTROSCOPY: THE $\bar{A} - \bar{X}$ TRANSITION OF FORMYL CYANIDE (HCOCN).
Dennis J. Clouthier, Jerzy Karolczak, Jay T. Rae, Richard H. Judge, D. C. Moule, John D. Goddard
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Abstract
High resolution, rotationally resolved LIF spectra of HCOCN and DCOCN have been observed. This transient species was produced by pyrolysis of allyloxyacetonitrile in the throat of a continuous supersonic jet expansion. Combining LIF jet and spectrographic absorption data have enabled the rotational analysis of the $0^{0}_{0}$ band of HCOCN. A complete vibrational assignment of the spectra of both isotopic species has been made with the aid of ab initio predictions of the excited state frequencies. Some of the ground state frequencies have been obtained from resolved emission spectra and hot bands in the LIF spectra.