Quantum Chemistry Applied to Biocatalysis and Homogeneous Catalysis

Dnr:

SNIC 2016/1-547

Type:

SNAC Medium

Principal Investigator:

Fahmi Himo

Affiliation:

Stockholms universitet

Start Date:

2017-01-01

End Date:

2018-01-01

Primary Classification:

10407: Teoretisk kemi

Secondary Classification:

10402: Fysikalisk kemi

Tertiary Classification:

10405: Organisk kemi

Webpage:

http://www.organ.su.se/himo/

Allocation

Abstract

Quantum chemistry is today an indispensable tool in chemical and biochemical research. The most important factors behind this are the development of the density functional theory (DFT) approach, and of course the nearly exponential advancement in computer power. The aim of this research program is to develop and use accurate state-of-the-art quantum chemical methodology to study catalysis and enantioselectivity in both enzymes of biocatalytic interest and metal-catalyzed reactions. Large models of the enzyme active sites and the organometallic catalysts will be developed and characterized in terms of geometries, spin, oxidation and protonation states and other properties. Full free energy surfaces will be calculated and compared for competing catalytic pathways and the sources of various selectivities will be established. The work will be conducted in close collaboration with experimental groups and the research program will produce large amounts of data that will be of great value for both the theoretical and experimental communities. Although the focus of the research is on fundamental understanding of reaction mechanisms and origins of selectivity, successful outcome will undoubtedly lead to the development of new improved catalysts for industrial processes.