General properties of the electronic structure of alkali metal clusters and Ia-IIa mixed clusters

Author(s):  
P. Fantucci ◽  
V. Bonačić-Koutecký ◽  
J. Koutecký
1989 ◽  
Vol 12 (1-4) ◽  
pp. 307-314 ◽  
Author(s):  
P. Fantucci ◽  
V. Bonačić-Koutecký ◽  
J. Koutecký

Author(s):  
J. Koutecký ◽  
V. Bonacić-Koutecký ◽  
I. Boustani ◽  
P. Fantucci ◽  
W. Pewestorf

1987 ◽  
Vol 35 (18) ◽  
pp. 9437-9450 ◽  
Author(s):  
I. Boustani ◽  
W. Pewestorf ◽  
P. Fantucci ◽  
V. Bonaić-Koutecký ◽  
J. Koutecký

2001 ◽  
Vol 16 (1) ◽  
pp. 127-131 ◽  
Author(s):  
A. Bartelt ◽  
S. Minemoto ◽  
C. Lupulescu ◽  
Š. Vajda ◽  
L. Wöste

A new ‘most economical’ algorithm for the construction of diatomics in molecules secular equations is described. The method does not require the basis functions to be written down explicitly, since overlap may be factored out of the equations entirely. The theory is presented in detail for the particular case of homogeneous alkali metal clusters. A knowledge of the irreducible representations of the symmetric group for the Jahn-Serber basis set is necessary. The irreducible representations are derived by a genealogical procedure. Some preliminary calculations are presented for the molecules Li 3 through Li 6 , Li + 3 and Li + 4 . The lithium clusters are found to be stable with respect to all possible dissociations, and the i.ps of Li 3 and Li 4 are in agreement with the trends for the species Na 3 , Na 4 , K 3 , K 4 , etc., whose i.ps have been measured experimentally.


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