In this document we have included all the theoretical seminars that are taught in the subject of computational chemistry, optional fourth year curse within the chemistry degree. This subject consists of a theoretical part and then practical sessions where exercises corresponding to the conceptual part studied are performed. This document presents the theoretical material taught: computational chemistry, ab-initio methods, density-based functional methods (DFT), semi-empirical methods, post-Hartree-Fock methods, solvent effects and molecular dynamics.... [Leer más...]