Laser-induced fluorescence of Rb2: The (1)1Σ+ g ( X ), (2)1Σ+ g , (1)1Π u ( B ), (1)1Π g , and (2)1Π u ( C ) electronic states

More than 10 000 resolved rotational lines in the (2) 1Πu(C)–(1) 1Σ+g(X), (2) 1Πu(C)–(1) 1Πg, (2) 1Πu(C)–(2) 1Σ+g, (1) 1Πu(B)–(1) 1Σ+g(X), and (1) 1Σ+u(A)–(1) 1Σ+g(X) transitions of Rb2 have been accurately measured with the technique of Fourier-transform spectroscopy. The wave numbers of all the ro...

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Bibliographic Details
Published in:The Journal of chemical physics 1990-12, Vol.93 (12), p.8591-8604
Main Author: Amiot, C.
Format: Article
Language:English
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Summary:More than 10 000 resolved rotational lines in the (2) 1Πu(C)–(1) 1Σ+g(X), (2) 1Πu(C)–(1) 1Πg, (2) 1Πu(C)–(2) 1Σ+g, (1) 1Πu(B)–(1) 1Σ+g(X), and (1) 1Σ+u(A)–(1) 1Σ+g(X) transitions of Rb2 have been accurately measured with the technique of Fourier-transform spectroscopy. The wave numbers of all the rotational lines were determined with an accuracy better than 5×10−3 cm−1. A thorough and simultaneous analysis of all the measured data yields molecular constants, potential-energy curves, and dissociation energies for five different excited electronic states. The observation of highly excited vibrational levels in the fundamental state (v″=112) leads to the value of the energy of dissociation: 3994.4±0.4 cm−1.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.459246