how to download Orca 5.0.4 Quantum Chemistry Software

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Orca 5.0.4 Quantum Chemistry Software​

ORCA​

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 available through FACCTs. ORCA is also the computational engine inside our workflow tool WEASEL.

CUTTING EDGE​

ORCA provides cutting-edge methods in the field of electronic structure theory, including density functional- as well as correlated wave function-based methods.
With a strong user base of more than 67000 registered users in academia worldwide, ORCA is the fastest-growing quantum chemistry software package to date.

FAST & ACCURATE​

We put great effort in making accurate calculations as fast as possible, and ORCA is known to be among the fastest quantum chemistry codes.
Some developments such as the DLPNO and RIJCOSX schemes can speed up calculations by orders of magnitude and even lead to a linear-scaling increase in timing with respect to system size.