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Classical Density Functional Theory for Molecular Systems

  • Jianzhong WuEmail author
Chapter
Part of the Molecular Modeling and Simulation book series (MMAS)

Abstract

Classical density functional theory (DFT) is able to predict the structural and thermodynamic properties of complex molecular systems with accuracy comparable to that inherited from semi-empirical force fields but at a computational cost up to several orders of magnitude lower than molecular simulations. In combination with first-principles methods, in particular with the Kohn-Sham DFT calculations for electronic properties, classical DFT opens up exciting opportunities for the development and validation of customized molecular models for chemicals design and discovery including high-throughput screening of nanostructured materials, solvents and electrolytes. This chapter provides a tutorial introduction of the basic concepts of the classical DFT in the context of multiscale modeling that aims to predict the rich behavior of molecular systems under diverse thermodynamic environments. A special emphasis is placed on various quantitative structure-property relationships for inhomogeneous molecular systems based on semi-empirical molecular models or force fields, microscopic structure, and inter- as well as intra-molecular correlation functions. Several mathematical procedures are outlined for the derivation of density functionals that are able to accurately account for thermodynamic non-ideality with atomistic details.

Keywords

Density Profile External Potential Site Density Polyatomic Molecule Molecular Configuration 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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© Springer Science+Business Media Singapore 2017

Authors and Affiliations

  1. 1.Department of Chemical and Environmental Engineering and Department of MathematicsUniversity of CaliforniaRiversideUSA

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