Similarities in the Intensities of Analogous Rydberg–Rydberg Transitions in the Molecular Series CF
x
Cl
y
(x=3, 2, 1; y=1, 2, 3) |
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Authors: | I Martín E Mayor A M Velasco |
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Institution: | (1) Departamento de Química Física y Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, 47005 Valladolid, Spain |
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Abstract: | In this work, the photoabsorption behaviour of the molecular series CF3Cl, CF2Cl2 and CFCl3, involving their ground state and two different Rydberg series, has been studied. The discrepancies or similarities in the intensities of homologous transitions in the three CF
x
Cl
y
molecules have been analysed on account of their electronic structure. Absorption oscillator strengths have been calculated with the Molecular quantum defect orbital (MQDO) approach. Electronic transitions between states belonging to two different unperturbed Rydberg series of the same molecule have been calculated by us for the first time. The quality of the achieved oscillator strengths has been assessed by comparison with, to our knowledge, scarce experimental data available in the literature, through analysis of the discrepancies or similarities in the intensities of homologous transitions in the molecular series CF
x
Cl
y
when states of different type are involved, and by testing the compliance of regularities by the Rydberg series object of our study.Article for the special issue dedicated to J.-P. Malrieu |
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Keywords: | Molecular series CF3Cl CF2Cl2 CFCl3 Homologous Rydberg– Rydberg transitions Oscillator strengths MQDO approach |
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