Millimeter-wave spectrum, centrifugal distortion analysis, and energy levels of HNO3

1979 ◽  
Vol 76 (1-3) ◽  
pp. 131-141 ◽  
Author(s):  
Gabriele Cazzoli ◽  
Frank C. De Lucia
Keyword(s):  
Millimeter Wave ◽  
Energy Levels ◽  
Wave Spectrum ◽  
Centrifugal Distortion ◽  
Distortion Analysis

scholarly journals Millimeter Wave Spectrum and Centrifugal Distortion Analysis of Difluorochloromethane CHF2Cl in the Ground State

1990 ◽  
Vol 45 (9-10) ◽  
pp. 1165-1168 ◽  
Author(s):  
R. Spiehl ◽  
A. Guarnieri
Keyword(s):  
Millimeter Wave ◽  
Ground State ◽  
Wave Spectrum ◽  
Sixth Order ◽  
Centrifugal Distortion ◽  
Rotational Spectra ◽  
Vibrational Ground State ◽  
Distortion Analysis

Abstract The rotational spectra of CHF235Cl and CHF237Cl (CFC22) in the vibrational ground state between 42 and 214 GHz are reported. A centrifugal distortion analysis up to the sixth order is carried out.

scholarly journals Centrifugal Distortion Analysis of the Microwave and Millimeter Wave Spectra of Deuterated Ketenes1,2

1976 ◽  
Vol 31 (3-4) ◽  
pp. 272-282 ◽  
Author(s):  
László Nemes ◽  
Manfred Winnewisser
Keyword(s):  
Millimeter Wave ◽  
Wave Spectra ◽  
Centrifugal Distortion ◽  
Frequency Range ◽  
Planar Model ◽  
Distortion Analysis ◽  
Rotational Transitions

Measurements of R and Q branch a-type pure rotational transitions in the frequency range from 8 GHz to 220 GHz are reported for ketene-d1 and ketene-d2. The microwave and millimeter wave transitions were analysed in terms of Watson’s reduced Hamiltonian, including the sextic terms HKJ and HJK. The values of the inertial defect and the τ defect obtained from the centrifugal distortion analysis are in accord with the planar model for the ketene molecule.

scholarly journals The Rotational Spectrum of Propane Centrifugal Distortion Analysis

1985 ◽  
Vol 40 (5) ◽  
pp. 508-510 ◽  
Author(s):  
G. Bestmann ◽  
H. Dreizler ◽  
J. M. Vacherand ◽  
D. Boucher ◽  
B. P. van Eijck ◽  
...  
Keyword(s):  
Fourier Transform ◽  
Millimeter Wave ◽  
Ground State ◽  
Fourier Transform Spectrometer ◽  
Rotational Spectrum ◽  
Centrifugal Distortion ◽  
Astrophysical Interest ◽  
Distortion Analysis ◽  
Wave Spectrometer

The ground state rotational spectrum of propane has been investigated between 6.4 and 26.5 GHz with a microwave Fourier transform spectrometer and between 140 and 300 GHz with a millimeter-wave spectrometer. High J transitions have been measured and fitted to a centrifugally distorted Hamiltonian including some sextic coefficients. The results of the analysis are sufficiently accurate for the prediction of all strong transitions of astrophysical interest.

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