Journal
JOURNAL OF COMPUTATIONAL CHEMISTRY
Volume 24, Issue 4, Pages 453-462Publisher
WILEY-BLACKWELL
DOI: 10.1002/jcc.10208
Keywords
atoms in molecules (AIM); quantitative structure-to-activity relationships QSAR); spin-spin coupling constants; molecular similarity; electron density
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This article reviews how the quantum theory of atoms in molecules (QTAIM) can be used to predict experimental physico-chemical properties of molecules of biologic interest: the amino acids, the polycyclic aromatic hydrocarbons (PAH), and the opiates, for example, morphine and PEO. The predicted experimental properties are as diverse as the partial molar volumes, the free energies of hydration, the second code-letter in the genetic code, the resonance energies, and the proton spin-spin coupling constants. Recent examples of the utilization of QTAIM to construct excellent statistical models (with squared correlation coefficients (r(2)) > 0.9) correlating properties of the electron density and of the pair density to experiment are reviewed. Some new results on:the solvent effects on electron delocalization are also presented. (C) 2003 Wiley Periodicals, Inc.
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