Computational and structural study of model and industrial Ziegler/Natta catalysts

This dissertation focused on Quantum Mechanical simulation of heterogeneous Ziegler-Natta Catalysts (ZNCs) for the industrial production of isotactic polypropylene. More specifically, we achived new and more detailed answers about the nature of ZNCs using a new computational protocol called the Cluster DFT-D Modelling Approach, specifically designed to study heterogeneous systems with high degree of accuracy. This protocol was developed on the basis of experimental evidence and the use of state-of-the-art of the DFT methods. Main porpuse of this project is not to promote one specific model, but provide a methodology to reliably asses possible models with dimensions close to reality.