The Rotational Spectrum of SO2 and the Determination of the Hyperfine Constants and Nuclear Magnetic Shielding Tensors of (33)SO2 and SO(17)O

Details The Rotational Spectrum of SO2 and the Determination of the Hyperfine Constants and Nuclear Magnetic Shielding Tensors of (33)SO2 and SO(17)O The Rotational Spectrum of SO2 and the Determination of the Hyperfine Constants and Nuclear Magnetic Shielding Tensors of (33)SO2 and SO(17)O

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jmosp.201....1m&link_type=abstract

Journal of Molecular Spectroscopy, vol. 201, p. 1

Computer Science

10

Sulfur Dioxide, Methods: Laboratory, Techniques: Spectroscopic, Molecular Data, Line: Identification

Scientific paper

Precise frequencies for the 111 - 202 transition of (33)SO2 and SO(17)O in natural isotopic abundance have been obtained near 12 GHz by microwave Fourier transform spectroscopy in order to yield improved hyperfine constants. Nuclear spin-rotation coupling constants have been determined experimentally for (33)SO2 for the first time. The spin-rotation constants have been used to derive nuclear magnetic shielding parameters. These parameters are compared with values for the isoelectronic O3 molecule. The transition mentioned above was also measured for (32)SO2, (34)SO2, SO(18)O, and vibrationally excited (v2 = 1) (32)SO2. For (33)SO2, some transitions with large hyperfine splitting were also recorded in the millimeter wave region. Continuing our investigations of the rotational spectra of SO2 in the submillimeter region, several transitions of SO(17)O have been recorded with the Cologne Terahertz Spectrometer between 540 and 840 GHz with J and Ka up to 63 and 16, respectively. Transitions with high Ka, up to 28, have been recorded with the JPL Laser Sideband Spectrometer between 1.8 and 3.2 THz.

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