MAGNETIC ROTATION SPECTRUM OF $SO_{2}^{\ast}$
Loading...
Date
1964
Journal Title
Journal ISSN
Volume Title
Publisher
Ohio State University
Abstract
According to our present understanding of magnetic rotation $spectra,^{1}$ (MRS) it is expected that transitions which are sensitive to a magnetic field either through a conventional Zeeman effect due to a magnetic moment coupled to the total angular momentum J or through a perturbation of the intensities of different magnetic sub-levels will exhibit magnetic rotation spectra. If this criterion is correct, the $3800 {\AA}$ bands of sulfur dioxide which have recently been analyzed as a singlet-triplet $transition^{2}$ and exhibit a pronounced Zeeman $effect^{3}$ would be expected to have a magnetic rotation spectrum. No MRS has been reported previously for the system. Furthermore, the $2900 {\AA}$ system of $SO_{2}$ which has the structure of a singlet system and which $Douglas^{3}$ found to exhibit no Zeeman effect, was shown by Kusch and $Loomis^{4}$ to have an extensive MRS.
Description
In this work we have reexamined the magnetic rotation spectrum of $SO_{2}$ under carefully selected conditions and have found a weak magnetic rotation spectrum for the $3800 {\AA}$ system. We also suggest a possible explanation of the appearance of the magnetic rotation spectrum of the singletsinglet transition at $2900 {\AA}$.
Author Institution: School of Chemistry, Georgia Institute of Technology
Author Institution: School of Chemistry, Georgia Institute of Technology