OBSERVATION OF PURE ROTATIONAL SPECTRA OF $trans$-, and $cis$-HOCO/DOCO
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Date
2010
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Publisher
Ohio State University
Abstract
Rotational spectra of \textit{trans}-, \textit{cis}-HOCO and DOCO have been observed using an Fourier transform microwave(FTMW) spectrometer and the FTMW-mmw-DR technique. The \textit{cis}-conformer was observed for the first time in the gas phase. The HOCO radical was produced in a supersonic jet by discharging a gas mixture of CO and H$_{2}$O diluted in Ar. The molecular constants including the hyperfine coupling constants have been precisely determined. The determined $r_0$ structure of the two conformers are consistent with those of \textit{ab initio} calculations. The fermi constants of the two conformers indicate that the spin densities on the hydrogen nuclei are different between the two conformers.
Description
Author Institution: Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo, 153-8902, Japan