Electronegativity in density functional theory: diatomic bond energies and hardness parameters

1987 ◽  
Vol 65 (8) ◽  
pp. 1970-1979 ◽  
Author(s):  
A. R. Orsky ◽  
M. A. Whitehead

New definitions of the rate of change of electronegativity with charge, the hardness η, of an atom, are developed for acids A and bases B, where [Formula: see text] and [Formula: see text]. These definitions reproduce the experimental ordering of hard and soft acids and bases, and produce good trends in diatomic bond energies.

CrystEngComm ◽  
2014 ◽  
Vol 16 (31) ◽  
pp. 7162-7171 ◽  
Author(s):  
Mingtao Zhang ◽  
Tonglei Li

Conceptual density functional theory is exploited to extend the HSAB (hard and soft acids and bases) principle for investigating the locality and regioselectivity of intermolecular interactions in organic crystals.


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