ORCA is a powerful and versatile quantum chemistry software package, primarily developed by the group of Prof. Frank Neese. It is free for academic use, while commercial licenses are …

The ORCA program package is mainly developed by Frank Neese, the department of molecular theory and spectroscopy at the Max-Planck-Institut für Kohlenforschung (MPI KoFo), and the …

Jul 18, 2024 · Orca.exe is a database table editor for creating and editing Windows Installer packages and merge modules. The tool provides a graphical interface for validation, …

ORCA is a quantum chemistry software package designed for computational chemistry, featuring a wide range of methods including electronic structure theory. ORCA is a licensed software …

Jul 25, 2024 · Faster, clearer and more functionalities: We explain what the new ORCA 6.0 program can do - and for whom the software is useful.

Dec 9, 2025 · Our core product is the quantum-chemical software package ORCA, with a 20-year history, a user base of more than 60000 users, and a growth rate of 25% per year.

Nov 7, 2024 · ORCA 6.0.1 has been released and we would like to thank the entire community for your constructive and helpful feedback to ORCA 6.0.0! We hope you enjoy the ORCA …

Here you will find tutorials on how to perform calculations using ORCA. These are aimed for new users and people who want to get introduced into basic molecular modeling.

Installing ORCA ¶ There is no need to properly "install" ORCA. All you have to do is go to the ORCA forum website, click on the upper-right button to register and enter. Then click on the …

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