Microwave spectrum of dimethylallene : Centrifugal distortion analysis |
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Authors: | J Demaison D Schwoch B T Tan H D Rudolph |
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Abstract: | The rotational absorption lines of the molecule dimethylallene in the vibrational ground state deviate from a rigid rotor pattern by shifts due to centrifugal distortion and by shifts and splittings due to methyl top internal rotation. By enlarging the number of previously measured lines it has been possible to apply successfully a Watson-type centrifugal distortion formula and to analyze the resulting “effective rigid rotor” rotational constants for the remaining contributions due to internal rotation and centrifugal distortion. Care has been taken to calculate or at least estimate the separate contributions and compare their magnitudes. |
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