b1Σ+ Emissions from group V–VII diatomic molecules. b 0+ → X1 0+, X2 1 emissions of AsI and SbI |
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| Authors: | R Winter H Kruse EH Fink J Wildt F Zabel |
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| Institution: | Physikalische Chemie - Fachbereich 9, Bergische Universität-Gesamthochcshule Wuppertal, 5600 Wuppertal 1, West Germany |
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| Abstract: | Chemiluminescence from the b 0+ → X1 0+ band system of AsI and of the b 0+ → X1 0+, X2 1 systems of SbI in the near-infrared spectral region has been observed in a discharge flow system. Analysis of the spectra led to the spectroscopic constants (in cm?1) of AsI: ωe(X1, X2) = 257 ± 2, ωexe(X1, X2) = 0.82 ± 0.2, Te(b 0+) = 11738 ± 5, ωe(b 0+) = 271 ± 2, ωexe(b 0+) = 0.66 ± 0.2, and of SbI: Te(X2 1) = 965 ± 10, ωe(X1, X2) = 206 ± 6, Te(b 0+) = 12328 ± 10, ωe(b 0+) = 211 ± 6. The intensity ratio of the two sub-systems b 0+ → X2 1 and b 0+→ X1 0+ was found to be ≈0.013 in the case of SbI and ? 0.01 for AsI. |
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