ORCA_(quantum_chemistry_program)

ORCA (quantum chemistry program)

ORCA (quantum chemistry program)

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ORCA[1][2][3][4] is an ab initio quantum chemistry program package for modern electronic structure methods including density functional theory, many-body perturbation, coupled cluster, multireference methods, and semi-empirical quantum chemistry methods. Its main field of application is larger molecules, transition metal complexes, and their spectroscopic properties. ORCA is developed in the research group of Frank Neese. The free version is available only for academic use at academic institutions.

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References

  1. [1]
    Neese, Frank (2012). "The ORCA program system". Wiley Interdisciplinary Reviews: Computational Molecular Science. 2 (1): 73–78. doi:10.1002/wcms.81. S2CID 62137389.
  2. [2]
    Neese, Frank (2018). "Software update: The ORCA program system, version 4.0". Wiley Interdisciplinary Reviews: Computational Molecular Science. 8 (1): e1327. doi:10.1002/wcms.1327. S2CID 102645440.
  3. [3]
    Neese, Frank; Wennmohs, Frank; Becker, Ute; Riplinger, Christoph (2020). "The ORCA quantum chemistry program package". The Journal of Chemical Physics. 152 (22): 224108. doi:10.1063/5.0004608.
  4. [4]
    Neese, Frank (2022). "Software update: The ORCA program system—Version 5.0". Wiley Interdisciplinary Reviews: Computational Molecular Science. 12 (5): e1606. doi:10.1002/wcms.1606. S2CID 247349026.


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