TUNABLE FAR-INFRARED LASER SPECTROSCOPY OF WATER-CO
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Date
1990
Journal Title
Journal ISSN
Volume Title
Publisher
Ohio State University
Abstract
The $K = 0 - 1$ rotation-tunneling bands for $O^{12}C-H_{2}O$ and $O^{13}C-H_{2}O$ have been measured by direct absorption in the far-infrared using the Caltech tunable-FIR laser spectrometer1 and a planar supersonic jet. The region studied is from 400 to 600 GHz. that is, 13 to $20 cm^{-1}$. Two bands for each isotopomer were observed corresponding to $K=0$ to $K=1$ rotational transitions in the A and B tunneling states of water. In addition the single $K=0-1$ rotation-tunneling band expected for HOD- ${^{12}}CO$ in the same region has been measured. All bands have been fit using a Watson type Hamiltonian yielding precise spectroscopic constants.
Description
$^{1}$ G. A. Blake and R. E. Bumgarner, J. Chem. Phys. 91, 7300-2 (1989)
Author Institution: Division of Geological and Planetary Sciences, Mail Stop 170-25. Caltech
Author Institution: Division of Geological and Planetary Sciences, Mail Stop 170-25. Caltech