Date: 18 Aug 2012

Ab Initio, Density Functional Theory, and Semi-Empirical Calculations

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Abstract

This chapter introduces the theory and applications of commonly used methods of electronic structure calculation, with particular emphasis on methods applicable for modelling biomolecular systems. This chapter is sectioned as follows. We start by presenting ab initio methods, followed by a treatment of density functional theory (DFT) and some recent advances in semi-empirical methods. Treatment of excited states as well as basis sets are also presented.