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The X3Σ- ground state of WO

par Ram, Ram;Liévin, Jacques ;Li, Gang;Hirao, Tsuyoshi;Bernath, Peter
Référence Chemical physics letters, 343, 3-4, page (437-445)
Publication Publié, 2001-08

Article révisé par les pairs

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Résumé :

The WO molecule was formed as an impurity during the excitation of a mixture of WCl6 vapor and He in a microwave discharge lamp. The emission spectra were recorded using a high-resolution Fourier transform spectrometer. A rotational analysis of the strong bands in the 9000-25000 cm-1 interval has been carried out and the bands have been classified into two groups with different lower states. The two lower states have been assigned as the Ω=0+ and Ω=1 spin components of the X3Σ- ground state. Ab initio calculations have also been performed and they confirm our experimental assignments. © 2001 Elsevier Science B.V.