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THE MICROWAVE SPECTRA OF THE ETHYLENE-$SO_{2}$ AND BENZENE-$SO_{2}$ DIMERS

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/17988

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Title: THE MICROWAVE SPECTRA OF THE ETHYLENE-$SO_{2}$ AND BENZENE-$SO_{2}$ DIMERS
Creators: Andrews, Anne M.; Labarge, M. S.; Taleb-Bendiab, A.; Hillig, K. W., II; Kuczkowski, R. L.
Issue Date: 1989
Abstract: The rotational spectra of the $C_{2}H_{4}-SO_{2}$ and $C_{6}H_{6}-SO_{2}$ dimers have been observed with a FTMW spectrometer. Twenty-eight a and c dipole transitions have been assigned for $C_{2}H_{4}-SO_{2}$. The transitions occur as doublets of unequal intensity. The doublets presumably arise from internal rotation of the ethylene; the splittings are markedly affected by deuteration. The $C_{2}H_{4}$ and $SO_{2}$ planes are more or less parallel separated by 3.51(2) {\AA} $(R_{cm}$). The dipole moment of the dimer is 1.65(1) D, virtually unchanged from free $SO_{2}$. Twenty-seven a and c dipole transitions have been assigned for the $C_{6}H_{6}-SO_{2}$ dimer. A number of additional transitions occur which are believed to arise from free or nearly free internal rotation states. The $C_{6}H_{6}$ and $SO_{2}$ planes are approximately parallel separated by 3.48(2) {\AA} ($R_{cm}$). The dipole moment of the complex is 2.05(1) D.
URI: http://hdl.handle.net/1811/17988
Other Identifiers: 1989-TF-5
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