> Details

Saue, Trond; Bast, Radovan; Gomes, André Severo Pereira; Jensen, Hans Jørgen Aa.; Visscher, Lucas; Aucar, Ignacio Agustín; Di Remigio, Roberto; Dyall, Kenneth G.; Eliav, Ephraim; Fasshauer, Elke; Fleig, Timo; Halbert, Loïc; Hedegård, Erik Donovan; Helmich-Paris, Benjamin; Iliaš, Miroslav; Jacob, Christoph R.; Knecht, Stefan; Laerdahl, Jon K.; Vidal, Marta L.; Nayak, Malaya K.; Olejniczak, Małgorzata; Olsen, Jógvan Magnus Haugaard; Pernpointner, Markus; Senjean, Bruno; [...]

The DIRAC code for relativistic molecular calculations

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  • Media type: E-Article
  • Title: The DIRAC code for relativistic molecular calculations
  • Contributor: Saue, Trond; Bast, Radovan; Gomes, André Severo Pereira; Jensen, Hans Jørgen Aa.; Visscher, Lucas; Aucar, Ignacio Agustín; Di Remigio, Roberto; Dyall, Kenneth G.; Eliav, Ephraim; Fasshauer, Elke; Fleig, Timo; Halbert, Loïc; Hedegård, Erik Donovan; Helmich-Paris, Benjamin; Iliaš, Miroslav; Jacob, Christoph R.; Knecht, Stefan; Laerdahl, Jon K.; Vidal, Marta L.; Nayak, Malaya K.; Olejniczak, Małgorzata; Olsen, Jógvan Magnus Haugaard; Pernpointner, Markus; Senjean, Bruno; [...]
  • imprint: AIP Publishing, 2020
  • Published in: The Journal of Chemical Physics
  • Language: English
  • DOI: 10.1063/5.0004844
  • ISSN: 0021-9606; 1089-7690
  • Keywords: Physical and Theoretical Chemistry ; General Physics and Astronomy
  • Origination:
  • Footnote:
  • Description: <jats:p>DIRAC is a freely distributed general-purpose program system for one-, two-, and four-component relativistic molecular calculations at the level of Hartree–Fock, Kohn–Sham (including range-separated theory), multiconfigurational self-consistent-field, multireference configuration interaction, electron propagator, and various flavors of coupled cluster theory. At the self-consistent-field level, a highly original scheme, based on quaternion algebra, is implemented for the treatment of both spatial and time reversal symmetry. DIRAC features a very general module for the calculation of molecular properties that to a large extent may be defined by the user and further analyzed through a powerful visualization module. It allows for the inclusion of environmental effects through three different classes of increasingly sophisticated embedding approaches: the implicit solvation polarizable continuum model, the explicit polarizable embedding model, and the frozen density embedding model.</jats:p>