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Sub-Doppler spectroscopy of mixed state levels in CH2.
- Source :
- Journal of Chemical Physics; 10/14/2010, Vol. 133 Issue 14, p144310, 6p, 1 Diagram, 1 Chart, 4 Graphs
- Publication Year :
- 2010
-
Abstract
- Perturbations in the 7<subscript>16</subscript> and 8<subscript>18</subscript> mixed singlet/triplet levels of ã <superscript>1</superscript>A<subscript>1</subscript>(0,0,0) methylene, CH<subscript>2</subscript>, have been reinvestigated by frequency-modulated laser sub-Doppler saturation spectroscopy. The hyperfine structure was completely resolved for both the predominantly singlet and the predominantly triplet components of these mixed rotational levels using b <superscript>1</superscript>B<subscript>1</subscript>-ã <superscript>1</superscript>A<subscript>1</subscript> optical transitions near 12 200 cm<superscript>-1</superscript> with megahertz resolution. The mixing coefficients were obtained from the observed hyperfine splittings and a two-level deperturbation model. The analysis also determines the energy separation of the unperturbed zero-order levels and the unperturbed hyperfine splittings for the triplet perturbing levels 6<subscript>15</subscript> X <superscript>3</superscript>B<subscript>1</subscript>(0,3,0) and 9<subscript>37</subscript> X <superscript>3</superscript>B<subscript>1</subscript>(0,2,0). [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00219606
- Volume :
- 133
- Issue :
- 14
- Database :
- Complementary Index
- Journal :
- Journal of Chemical Physics
- Publication Type :
- Academic Journal
- Accession number :
- 54414377
- Full Text :
- https://doi.org/10.1063/1.3502084