Beam maser measurements of hyperfine structure in chloroacetylene-d |
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| Authors: | Leslie M Tack Stephen G Kukolich |
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| Institution: | Department of Chemistry, University of Arizona, Tucson, Arizona 85721 USA |
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| Abstract: | The J = 1-0 transitions in 35ClCCD were measured using a beam maser spectrometer giving a molecular resonance linewidth of 3 kHz (FWHM). Analysis of the data yielded quadrupole coupling strengths eqQ(D) = 208.5 ± 1.5, eqQ(35Cl)= 79 739.5 ± 1 kHz and the 35Cl spinrotation interaction strength C(Cl) 1.3 ± 0.1 kHz. The rotational constant obtained is B = 5 186 973.9 ± 1.0 kHz. The accuracy of measured molecular parameters is improved by a factor of 20 or better. |
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