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The 3A Band System in the Spectrum of the 13C16O Molecule

✍ Scribed by R. Hakalla; R. Kępa; M. Rytel; M. Zachwieja

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
553 KB
Volume
197
Category
Article
ISSN
0022-2852

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✦ Synopsis

In the emission spectrum of the carbon monoxide 13 C 16 O isotopic molecule three bands comprising about 1820 lines of the 3A band system (c 3 ⌸-a 3 ⌸) were recorded and analyzed. The 0 -0 and 0 -1 bands of this system were photographed for the first time and the 0 -2 band was rephotographed by using methods of conventional high-resolution spectroscopy. The result of the rotational band analysis includes expanding of the spectrum interpretation up to J ϭ 25 as well as the identification of four previously unobserved branches P 13 , R 13 , P 31 , and R 31 . Because of strong perturbations in the c 3 ⌸ (v ϭ 0) state, the calculation of the rovibronic structure constants was performed only for the lower a 3 ⌸ state. By using a calculation based on a nonlinear least-squares method, an effective Hamiltonian of Brown [

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