Atomic sizes from atomic interactions

Ganguly, Parthasarathy (2009) Atomic sizes from atomic interactions Journal of Molecular Structure, 930 (1-3). pp. 162-166. ISSN 0022-2860

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We obtain an atomic size, rnZc , in the presence of an interaction (represented by an electron-hole pair, e-h+ as in vacuum polarization techniques) as a sum of contribution, rnv, from the interaction of nval valence s- and p-electrons and a contribution rRG from inner filled shell electrons with rare-gas configuration. The method is applicable to all elements for a given electron configuration that is usually available simply from the position of the elements in the periodic table. The sizes thus obtained are close to other "core sizes" obtained in the literature. The transition metal elements are treated as group II elements. This method gives sizes for the actinide and trans-actinide elements without requiring relativistic corrections. The importance of these sizes in interpreting interatomic distances in terms of electronic configuration is illustrated for actinide elements.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Atomic Size; Vacuum Polarization; Ionic Radii
ID Code:13773
Deposited On:12 Nov 2010 14:45
Last Modified:12 Nov 2010 14:45

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