A quantitative measure of bond polarity from the electron localization function and the theory of atoms in molecules

2001 ◽  
Vol 106 (3) ◽  
pp. 223-232 ◽  
Author(s):  
Stephan Raub ◽  
Georg Jansen
Keyword(s):  
Quantitative Measure ◽  
Atoms In Molecules ◽  
Electron Localization Function ◽  
Electron Localization ◽  
Bond Polarity ◽  
Localization Function

scholarly journals Quantum theory of atoms in molecules, electron localization function, and localized-orbital locator investigations on trans-(NHC)PtI2(para-NC5H4X) complexes

2020 ◽  
Vol 44 (7-8) ◽  
pp. 482-486
Author(s):  
Sarvin Hossien Saraf ◽  
Reza Ghiasi
Keyword(s):  
Quantum Theory ◽  
Substituent Effect ◽  
Atoms In Molecules ◽  
Electron Localization Function ◽  
Electron Localization ◽  
Localization Function ◽  
Hammett Constants ◽  
Localized Orbital ◽  
In Trans ◽  
Electron Donating Groups

In this study, the MPW1PW91 method is applied to analyze the quantum theory of atoms in molecules, the electron localization function, and the localized-orbital locator in trans-(NHC)PtI2( para-NC5H4X) (X = H, F, COOH, CN, NO2, Me, OH, NH2) complexes. The substituent effect is assessed in the presence of electron-withdrawing groups and electron-donating groups and their influence on the Pt–C and Pt–N bonds of the molecules is analyzed using quantum theory of atoms in molecules, electron localization function, and localized-orbital locator methods. In addition, the eta index (η) is used to evaluate the Pt–C and Pt–N bonds in the studied complexes. The correlations between electron localization function, localized-orbital locator, and the η index values of Pt–C and Pt–N bonds with Hammett constants (σp) and dual parameters (σI and σR) are given.

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