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The semiempirical quantum chemical PM6 method augmented by dispersion and H-bonding correction terms describes reliably various types of non-covalent complexes

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    SYSNO ASEP0327894
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleThe semiempirical quantum chemical PM6 method augmented by dispersion and H-bonding correction terms describes reliably various types of non-covalent complexes
    Author(s) Řezáč, Jan (UOCHB-X) RID, ORCID
    Fanfrlík, Jindřich (UOCHB-X) RID, ORCID
    Salahub, D. (CA)
    Hobza, Pavel (UOCHB-X) RID, ORCID
    Number of authors4
    Source TitleJournal of Chemical Theory and Computation . - : American Chemical Society - ISSN 1549-9618
    Roč. 5, č. 7 (2009), s. 1749-1760
    Number of pages12 s.
    Languageeng - English
    CountryUS - United States
    Keywordshydrogen bonding ; dispersion
    Subject RIVCF - Physical ; Theoretical Chemistry
    R&D ProjectsLC512 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    CEZAV0Z40550506 - UOCHB-X (2005-2011)
    UT WOS000268232500005
    DOI10.1021/ct9000922
    AnnotationThe semiempirical quantum chemical PM6 method is, because of its construction and parametrization for more than 80 elements, superior to other similar methods. Despite its advantages it fails for the description of non-covalent interactions, specifically the dispersion energy and H-bonding. Upon inclusion of correction terms for dispersion and H-bonding the performance of the method was dramatically improved, and the resulting PM6-DH method achieved chemical accuracy (error < 1 kcal/mol) on the training S22 dataset.
    WorkplaceInstitute of Organic Chemistry and Biochemistry
    Contactasep@uochb.cas.cz ; Kateřina Šperková, Tel.: 232 002 584 ; Jana Procházková, Tel.: 220 183 418
    Year of Publishing2010
Number of the records: 1  

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