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On Two Different Objectives of the Concepts of Ionic Radii
Author(s) -
Liu JianBiao,
Schwarz W. H. Eugen,
Li Jun
Publication year - 2013
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201300917
Subject(s) - ionic radius , crystallography , radius , combinatorics , chemistry , mathematics , physics , atomic physics , quantum mechanics , ion , computer science , computer security
Experimentally and theoretically derived interatomic distances ( D ) and ionic radii ( R ) of more than a hundred monomeric (AX), dimeric (A 2 X 2 , ABXY), and crystalline ([AX]) alkali halide species (A=Li, Na, K, Rb, Cs, Fr; X=H, F, Cl, Br, I, At) have been analyzed. Chemists use the word “atomic radius” for two antithetic concepts. Let D Ci EE′ jj′ be the “billion” of distances i between two adjacent atoms in the millions of known compounds C from a hundred different elements E in bonding states j . The common chemical aim is partitioning D approximately into increments R E j + R E′ j′ . This can be achieved with a few (say
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