Conformational analysis of 2-alkylcyclohexanone-lanthanide chelate complexes

1973 ◽  
Vol 95 (10) ◽  
pp. 3392-3394 ◽  
Author(s):  
Kenneth L. Servis ◽  
Donald J. Bowler
1975 ◽  
Vol 97 (1) ◽  
pp. 73-80 ◽  
Author(s):  
Kenneth L. Servis ◽  
Donald J. Bowler ◽  
Cliff Ishii

1971 ◽  
Vol 10 (7) ◽  
pp. 1383-1387 ◽  
Author(s):  
J. Selbin ◽  
N. Ahmad ◽  
N. Bhacca

1972 ◽  
Vol 50 (7) ◽  
pp. 1005-1007 ◽  
Author(s):  
N. Hadjiliadis ◽  
A. Diot ◽  
T. Theophanides

The conformational analysis of the ethylenediamine molecule has been studied by the LCAO-EHMO calculation method. The results indicate that the most stable conformation of the molecule is the gauche form, in which the angle N—C—C—N is ca. 63.0° measured from the cis form. This is in agreement with experimental data and can explain the fact that the ethylenediamine in its chelate complexes is always in the gauche form. In addition, the present results indicate that the trans form is the next most stable conformation of ethylenediamine in agreement with experimental results on bridging ethylenediamine metal complexes.


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