A precise study of the rotational spectrum of formaldehyde H212C17O and H213C17O |
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Authors: | R. Cornet B.M. Landsberg G. Winnewisser |
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Affiliation: | 1. Max Planck Institut für Radioastronomie, Bonn, Germany;2. Physikalisch Chemisches Institut, Justus Liebig Universität, Giessen, Germany |
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Abstract: | The pure rotational spectra of H212C17O and H213C17O have been investigated in the frequency region between 8 and 360 GHz in the ground vibrational state. For both isotopic species the 17O nuclear quadrupole coupling constants and spin-rotation constants have been obtained. From both Q- and R-branch transitions a set of rotational constants and several distortion constants could be derived employing Watson's formalism in A reduction. The obtained rotational constants are in Megahertz: | H212C17O | H213C17O | | 281 965.0 (30) | 281 987.3 (19) | | 37 812.287(45) | 36 776.790(25) | | 33 214.523(31) | 32 412.920(19) |
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