Abstract
Abstract A fine structure analysis for the system 5s2pn′s (n′ = 6 to 11) + 5s25pn″d (n″ = 5 to 12)+ 5s5p3 is performed on the basis of available experimental data. The Slater integrals and spin-orbit parameters are determined. For the Slater integrals associated with the high configurations we find a relation of the type R k (a, b)/ R k (c, d) = [n ∗ (c)n ∗ (d)/(n ∗ (a)n ∗ (b))] 3 2 , where a, b, c, d denote a two-electron configuration nln'l' and the n∗(nln'l') are effective quantum numbers of the configurations ns2nln'l' rather than those of the electronic levels. The configuration 5s5p3 is shown to influence strongly the odd level system of Sn I. On the basis of the theoretical results new spectroscopic assignments of the atomic levels involved are given in some cases.
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