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Microwave Spectral Linewidth of OCS Molecule Due to Molecular Collisions
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A double-modulation microwave spectrograph has been used to determine the width of j 1→2 line of OCS molecule at different pressures due to collisions with the following perturbers: carbonyl sulfide, argon, oxygen, air, methyl bromide, and water vapor. Experimental linewidth parameters for OCS–OCS, OCS–Ar, OCS–O2, and OCS–N2 molecular collisions are interpreted using Anderson—Tsao—Curnutte theory for the mixed-interactions case. The molecular quadrupole moments of OCS, O2, and N2 are found to be 2.0±2.0, 2.0±0.2, and 5.0±0.5 D·Å, respectively.
Title: Microwave Spectral Linewidth of OCS Molecule Due to Molecular Collisions
Description:
A double-modulation microwave spectrograph has been used to determine the width of j 1→2 line of OCS molecule at different pressures due to collisions with the following perturbers: carbonyl sulfide, argon, oxygen, air, methyl bromide, and water vapor.
Experimental linewidth parameters for OCS–OCS, OCS–Ar, OCS–O2, and OCS–N2 molecular collisions are interpreted using Anderson—Tsao—Curnutte theory for the mixed-interactions case.
The molecular quadrupole moments of OCS, O2, and N2 are found to be 2.
0±2.
0, 2.
0±0.
2, and 5.
0±0.
5 D·Å, respectively.
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