MAGNETIC OPTICAL ACTIVITY IN THE NEAR ULTRAVIOLET SPECTRUM OF FORMALDEHYDE

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Title: MAGNETIC OPTICAL ACTIVITY IN THE NEAR ULTRAVIOLET SPECTRUM OF FORMALDEHYDE
Creators: Birss, F. W.; Ramsay, D. A.; Till, S. M.
Issue Date: 1978
Publisher: Ohio State University
Abstract: We have recently carried out high resolution studies of the magnetic rotation spectrum of formaldehyde in the region 3600-2900 {\AA} using magnetic flux densities ranging from 80 to 5000 G. Particular attention has been devoted to the region near 3260 {\AA} where approximately 40 magnetically sensitive rotational levels have been identified. This activity will be discussed in terms of singlet-triplet interactions between the $2^{2}4^{1}$ level of the $^{1}A_{2}$ state and levels of the $^{3}A_{2}$ state, and comparisons will be made with the earlier work of Brand and $Stevens^{1}$ We have also obtained a high resolution magnetic rotation spectrum of the $4^{1}_{0}$ band of the $^{1}A_{2}-^{1}A_{1}$ system. The activity appears to increase with $K_{a}$ suggesting an interaction about the a axis, possibly with a high vibrationsal level of the ground state.
Description: $^{1}$J.C.D. Brand and C. G. Stevens, J. Chem. Phys. 58, 3331 (1973).""
Author Institution: Department of Chemistry, University of Alberta; Herzberg Institute of Astrophysics, National Research Council of Canada
URI: http://hdl.handle.net/1811/10362
Other Identifiers: 1978-FB-10
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