This course is intended to introduce the students to concepts of theoretical chemistry and molecular modeling.

A practical approach will be used guiding the student from the fundamental theoretical background to the practical aspects of the models: definition, analysis and interpretation.

The topics discussed in each section are reinforced with varied exercises, references, and further readings.
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The contents of the course is structured as follows:

 #Introduction.
 # The molecular Hamiltonian and the solution of the Schroedinger equation.[[BR]]a.- The Hartree-Fock (HF) approximation. Differential equation.[[BR]]b.- The Roothaan-Hall equations. The algebraic equation.[[BR]] 
 # The Born-Oppenheimer approximation. Geometry Optimization.
 # Molecular energy and the potential energy surface.
 # Analysis of the WFN: Molecular properties.
 # Molecular geometry. The concept of molecular structure.
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== <math>\widehat {H}  \Psi  = E  \Psi </math> ==

 #'''INTRODUCTION'''

The internal structure of atoms and molecules: Quantum Mechanics.