The Experimental Determination of the Intensities of Infra‐Red Vibration‐Rotation Absorption Bands of Gases

1941 ◽  
Vol 9 (8) ◽  
pp. 659-659 ◽  
Author(s):  
A. J. Wells ◽  
E. Bright Wilson
1998 ◽  
Vol 53 (8) ◽  
pp. 684-688
Author(s):  
J. Heidt ◽  
J. R. Heidt ◽  
M. Raciniewskab

Abstract The excited state dipole moments of some benzamide derivatives are determined. The method of solvent induced shifts of electronic absorption bands in comparison with their positions in the gas phase is used. Some regular trends revealed in the obtained data are discussed. The present results are compared with those available in the literature.


Nature ◽  
1957 ◽  
Vol 179 (4567) ◽  
pp. 978-978
Author(s):  
JOHN L. GERGEN

Nature ◽  
1957 ◽  
Vol 179 (4549) ◽  
pp. 36-37 ◽  
Author(s):  
JOHN L. GERGEN

Vibrational absorption bands of methyl isocyanide and its d 3 -derivative have been measured with higher resolution than previously, and the rotational structure of some bands has been analysed. The band origins have been determined for some parallel bands and molecular constants have been derived. A more detailed examination of the fundamental bands of the degenerate vibrations of both molecules has led to a determination of A" and of the Coriolis coupling coefficients for v 5 , v 6 , v 7 and v 8 . Several perturbations arising from Fermi or Coriolis interactions have been explained.


The infra-red absorption spectrum of methane 12 CH 4 in the region of 3 μ has been re-investigated with higher resolving power than has been used previously. A very complex system of overlapping vibration bands has been revealed. The rotational fine structure of these bands has been partially analyzed, particularly having regard to the Coriolis interactions which occur in this case. The corresponding absorption bands of 13 CH 4 have also been examined.


1959 ◽  
Vol 15 ◽  
pp. 110-121 ◽  
Author(s):  
J. Morcillo ◽  
J. Herranz ◽  
J. Fernández Biarge

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