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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/21858

    Título
    Hydrogen-Bond Cooperativity in Formamide2–Water: A Model for Water-Mediated Interactions
    Autor
    Blanco Rodríguez, SusanaAutoridad UVA Orcid
    Pinacho Morante, PabloAutoridad UVA
    López Alonso, Juan CarlosAutoridad UVA Orcid
    Año del Documento
    2016
    Editorial
    Wiley
    Descripción
    Producción Científica
    Documento Fuente
    Angewandte Chemie International Edition, 2016, 55, p. 9331 –9335
    Résumé
    The rotational spectrum of formamide2-H2O formed in a supersonic jet has been characterized by Fourier transform microwave spectroscopy. This adduct provides a simple model of water mediated interaction involving the amide linkages, as occur in protein folding or amide association processes, showing the interplay between self-association and solvation. Mono-substituted 13C, 15N, 18O and 2H isotopologues have been observed to investigate the structure. The adduct forms an almost planar three body sequential cycle. The two formamide molecules link on one side through an N-H···O hydrogen bond and on the other side through a water-mediated interaction with the formation of C=O···H-O and O···H-N hydrogen bonds. The analysis of the quadrupole coupling effects due to the presence of two 14N-nuclei reveal the subtle inductive forces associated to cooperative hydrogen bonding. These forces are involved in the changes detected in the C=O and C-N bond distances with respect to bare formamide.
    Materias (normalizadas)
    Physical Chemistry
    ISSN
    1433-7851
    Revisión por pares
    SI
    DOI
    10.1002/anie.201603319
    Patrocinador
    Ministerio de Economía, Industria y Competitividad (CTQ2013-40717-P)
    Junta de Castilla y León (programa de apoyo a proyectos de investigación – Ref. VA334U14)
    Version del Editor
    http://onlinelibrary.wiley.com/
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/21858
    Derechos
    openAccess
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    • DEP63 - Artículos de revista [333]
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    Attribution-NonCommercial-NoDerivatives 4.0 InternationalExcepté là où spécifié autrement, la license de ce document est décrite en tant que Attribution-NonCommercial-NoDerivatives 4.0 International

    Universidad de Valladolid

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