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A. Bilewicz

Ionic radii of heavy actinide(III) cations

Experimentally determined ionic radii (r_i) of heavy actinides decrease irregularly with increasing of atomic number. In order to understand sources of this irregularity ionic radii of heavy actinides were compared with the radii of the maximum charge density (R_max) of the outermost orbital radii of these cations. From the linear dependence of ionic radii on 2j+1 weighted R_max of the 6p_1/2 and 6p_3/2 orbitals new values of r_i equal to 91.5pm and 90.3pm for Fm³⁺ and Md³⁺, respectively, were calculated.

Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Print ISSN: 0033-8230
Volume: 92, 02/2004
Pages: 069 - 072

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