A suggested periodic table up toZ ≤ 172, based on Dirac–Fock calculations on atoms and ions
* Corresponding authors
a Department of Chemistry, University of Helsinki, POB 55 (A. I. Virtasen aukio 1), FI-00014 Helsinki, Finland
E-mail:Pekka.Pyykko@helsinki.fi
Fax: +358 9 19150169
Abstract
Extended Average Level (EAL) Dirac–Fock calculations on atoms and ions agree with earlier work in that a rough shell-filling order for the elements 119–172 is 8s < 5g ≤ 8p1/2 < 6f < 7d < 9s < 9p1/2 < 8p3/2. The present Periodic Table develops further that of Fricke, Greiner and Waber [Theor. Chim. Acta 1971,21, 235] by formally assigning the elements 121–164 to (nlj) slots on the basis of the electron configurations of their ions. Simple estimates are made for likely maximumoxidation states,i, of these elements M in their MXi compounds, such asi = 6 for UF6. Particularly highi are predicted for the 6f elements.
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- Article type
- Paper
- Submitted
- 23 Aug 2010
- Accepted
- 15 Sep 2010
- First published
- 22 Oct 2010
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A suggested periodic table up toZ ≤ 172, based on Dirac–Fock calculations on atoms and ions
P. Pyykkö,Phys. Chem. Chem. Phys., 2011, 13, 161DOI: 10.1039/C0CP01575J
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