Microwave spectrum of the s-trans form of 3-pyridinecarbaldehyde |
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Authors: | Louis Haeck Alain Bouchy Georges Roussy |
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Institution: | Institut für Grenzflächenforschung und Vakuumphysik, Kernforschungsanlage Jülich, D-517 Jülich, Germany |
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Abstract: | The microwave spectra of the ground state and one excited state of the ON s-trans form of 3-pyridinecarbaldehyde have been measured and assigned. The ground state rotational constants and dipole moment components are: A = 5417.8, B = 1583.289, C = 1225.389 (in MHz) and ¦μa¦ = 1.35, ¦μb¦ = 0.5 (in debye). The excited state most probably belongs to the C3C torsion, for which the vibrational frequency is estimated to be 135 ± 30 cm?1. |
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