Home Page of Matthias Bickelhaupt


In my group, we develop chemical theories and methods for rationally designing molecules, nano-structures and materials as well as chemical processes toward these compounds, based on quantum mechanics and computer simulations. An essential part of these efforts is theory-driven experimentation, the application of our theories and models in cooperation with experimental groups. 

My scientific activities comprize four main directions of research that are intimately connected and reinforce each other: 1) Structure and Chemical Bonding in Kohn-Sham Density Functional Theory (DFT), 2) Molecular Recognition and Theoretical Biochemistry, 3) Elementary Chemical Reactions [see: Activation Strain modelPyfrag], and 4) Fragment-oriented Design of Catalysts. For a publication analysis, go to my ResearcherID and click on Citation Metrics. For selected publications, click here, or visit the cover gallery.

News and Information   [see also News Archive]

The 3rd European Symposium on Chemical Bonding, CBOND2020, will be held from 22 till 25 September 2020 in Amsterdam, The Netherlands. Feel free to check out the line-up of outstanding keynote and invited speakers. The conference site is located in the O|2 building of Vrije Universiteit Amsterdam, in walking distance from train, tram and metro stations. The venue is also easily accessible from the airport or the city center.


The primary objective of CBOND2020 is the exchange of the latest developments and ideas in the field of chemical bonding. On Monday 21. 09. 2020, the day before the main conference begins, CBOND2020 will have a school for PhD students on Kohn-Sham molecular orbital (MO) theory and the associated canonical energy decomposition analysis (EDA), as implemented in the ADF program. This school will have lectures in the morning and a hands-on computer lab in the afternoon.

> The completely new PyFrag 2019 program by Sun et al. has been released (see article in J. Comput. Chem.). It automates and reduces the time-consuming and laborious task of setting up, running, analyzing, and visualizing computational data from reaction mechanism studies to a single job (see documentation and code repository).


PyFrag 2019 resolves three main challenges associated with the automatized computational exploration of reaction mechanisms: 1) the management of multiple parallel calculations to automatically find a reaction path; 2) the monitoring of the entire computational process along with the extraction and plotting of relevant information from large amounts of data; and 3) the analysis and presentation of these data in a clear and informative way. Note that PyFrag 2019 is compatible not only with ADF but also with GaussianTurbomole and ORCA. [5 June 2019]

> The Theoretical Chemistry group has been rated excellent and awarded the maximum score by an international Chemistry Review Committee, which has assessed chemistry research at universities across the Netherlands. The Committee describes the Theoretical Chemistry group at Vrije Universiteit Amsterdam as: "A top leading research group both nationally and worldwide, with an outstanding reputation for its innovative and exceptionally high quality research". [2011]

© Bickelhaupt 1997-1999, 1999-2003, 2003-2014, 2014-2020