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The Rotational Spectrum and Anharmonic Force Field of Chlorine Dioxide, OClO
Müller1, Sørensen, Birk
1Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, 4800 Oak Grove Drive
Abstract:
The rotational spectra of O35ClO and O37ClO in their (000), (100), (010), (001), and (020) states have been reinvestigated in selected regions between 130 and 526 GHz. About 800 newly measured lines spanning the quantum numbers 2 = N = 65 and 0 = Ka = 17 have been analyzed together with data from two previous microwave and millimeter wave studies. In particular, the spectroscopic constants in the ground vibrational states have been improved enabeling precise predictions of line positions into the submillimeter region. The newly derived ground state rotational and quartic centrifugal distortion constants, their vibrational changes, and the sextic centrifugal distortion constants were used together with data from infrared studies in a calculation of the quartic force field. Copyright 1997 Academic Press. Copyright 1997Academic Press