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- Quadratic_configuration_interaction abstract "Quadratic configuration interaction (QCI) is an extension of configuration interaction that corrects for size-consistency errors in single and double excitation CI methods (CISD).Size-consistency means that the energy of two non-interacting (i.e. at large distance apart) molecules calculated directly will be the sum of the energies of the two molecules calculated separately. This method called QCISD was developed in the group of John Pople. It gives results that are comparable to the coupled cluster method, CCSD. QCISD can be improved by the same perturbative inclusion of unlinked triples to give QCISD(T). This gives similar results to CCSD(T).".
- Quadratic_configuration_interaction wikiPageID "3465323".
- Quadratic_configuration_interaction wikiPageLength "2908".
- Quadratic_configuration_interaction wikiPageOutDegree "6".
- Quadratic_configuration_interaction wikiPageRevisionID "598459344".
- Quadratic_configuration_interaction wikiPageWikiLink Category:Post-Hartree–Fock_methods.
- Quadratic_configuration_interaction wikiPageWikiLink Configuration_interaction.
- Quadratic_configuration_interaction wikiPageWikiLink Coupled_cluster.
- Quadratic_configuration_interaction wikiPageWikiLink John_Pople.
- Quadratic_configuration_interaction wikiPageWikiLink Size_consistency.
- Quadratic_configuration_interaction wikiPageWikiLink Size_consistency_and_size_extensivity.
- Quadratic_configuration_interaction wikiPageWikiLinkText "QCI".
- Quadratic_configuration_interaction wikiPageWikiLinkText "QCIS(D)".
- Quadratic_configuration_interaction wikiPageWikiLinkText "QCISD".
- Quadratic_configuration_interaction wikiPageWikiLinkText "QCISD(T)".
- Quadratic_configuration_interaction wikiPageWikiLinkText "Quadratic configuration interaction".
- Quadratic_configuration_interaction wikiPageWikiLinkText "quadratic configuration interaction".
- Quadratic_configuration_interaction hasPhotoCollection Quadratic_configuration_interaction.
- Quadratic_configuration_interaction wikiPageUsesTemplate Template:Chem-stub.
- Quadratic_configuration_interaction wikiPageUsesTemplate Template:Quantum-stub.
- Quadratic_configuration_interaction subject Category:Post-Hartree–Fock_methods.
- Quadratic_configuration_interaction hypernym Extension.
- Quadratic_configuration_interaction type Software.
- Quadratic_configuration_interaction type Mechanic.
- Quadratic_configuration_interaction comment "Quadratic configuration interaction (QCI) is an extension of configuration interaction that corrects for size-consistency errors in single and double excitation CI methods (CISD).Size-consistency means that the energy of two non-interacting (i.e. at large distance apart) molecules calculated directly will be the sum of the energies of the two molecules calculated separately. This method called QCISD was developed in the group of John Pople.".
- Quadratic_configuration_interaction label "Quadratic configuration interaction".
- Quadratic_configuration_interaction sameAs m.09dypl.
- Quadratic_configuration_interaction sameAs Q7268360.
- Quadratic_configuration_interaction sameAs Q7268360.
- Quadratic_configuration_interaction sameAs 二次组态相互作用.
- Quadratic_configuration_interaction wasDerivedFrom Quadratic_configuration_interaction?oldid=598459344.
- Quadratic_configuration_interaction isPrimaryTopicOf Quadratic_configuration_interaction.