ROTATIONAL ANALYSIS OF THE $NO_{2}$ 6125 \AA \ REGION

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1977

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Ohio State University

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The $NO_{2}$ 6125 \AA \ region wag chosed for investigation, because of the strength of the transitions and because of the seeming simplicity of this region. From an analysis of the rotationally resolved fluorescence of $NO_{2}$ excited by a narrow band (0.03 \AA) \ tunable dye $laser,^{1}$ quantum numbers have been assigned to 150 transitions in the 6125 \AA \ region. Four vibronic bands are observed in a 20 \AA \ interval, two of which have been previously $reported.^{2}$ A rotational analysis of the 6125 \AA \ and 6126 \AA \ bands is presented, while the small number of transitions assigned to the 6117 \AA \ and 6119 \AA \ bands precludes analysis.

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$^{1}$ C. G. Stevens and R. N, Zare, J. Mol. Spectrosc. 56, 167 (1975). $^{2}$ R. E. Smalley, L. Wharton, and D. H. Levy, J. Chem. Phys. 63, 4977 (1975).
Author Institution: Department of Chemistry, Columbia University; Department of Chemistry, Columbia University, New york

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