Homepage tagpages ORCA-en (Dr Wennmohs) Scientists from all over the world cite researcher from Mülheim November 22, 2022 Frank Neese is once again honored as “Highly Cited Researcher” more The ORCA 5.0 Release is finally here! June 29, 2021 Introductory talk and presentation of new features on July 1st and 2nd more Program for the 5th ORCA User Meeting November 4-6 is online September 23, 2020 ORCA-en (Dr Wennmohs) more 5th ORCA User Meeting postponed to November 2020 March 16, 2020 new date: November 4 - 6, 2020 more ORCA Software of the MPI für Kohlenforschung has an excellent standing in chemistry - 3-day user meeting in September introduced the program package for quantum chemical calculations September 10, 2018 more Show more