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Artículo

Evolution of the hydrogen-bonding motif in the melamine–cyanuric acid co-crystal: a topological study

Petelski, Andre NicolaiIcon ; Peruchena, Nelida MariaIcon ; Sosa, Gladis Laura
Fecha de publicación: 09/2016
Editorial: Springer
Revista: Journal of Molecular Modeling
ISSN: 1610-2940
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
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Resumen

The melamine (M)/cyanuric acid (CA) supramolecular system is perhaps one of the most exploited in the field of self-assembly because of the high complementarity of the components. However, it is necessary to investigate further the factors involved in the assembly process. In this study, we analyzed a set of 13 Mn/CAm clusters (with n , m = 1, 2, 3), taken from crystallographic data, to characterize the nature of the hydrogen bonds involved in the self-assembly of these components as well as to provide greater understanding of the phenomenon. The calculations were performed at the B3LYP/6-311++G(d,p) and ω-B97XD (single point) levels of theory, and the interactions were analyzed within the framework of the quantum theory of atoms in molecules and by means of molecular electrostatic potential maps. Our results show that the stablest structure is the rosette-type motif and the aggregation mechanism is governed by a combination of cooperative and anticooperative effects. Our topological results explain the polymorphism in the self-assembly of coadsorbed monolayers of M and CA. [Figure not available: see fulltext.]
Palabras clave: Hydrogen Bonds , Negative Cooperativity , Rosette Motif , Self-Assembly , Supramolecular
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/39898
DOI: http://dx.doi.org/10.1007/s00894-016-3070-5
URL: https://link.springer.com/article/10.1007%2Fs00894-016-3070-5
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Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NORDESTE
Citación
Petelski, Andre Nicolai; Peruchena, Nelida Maria; Sosa, Gladis Laura; Evolution of the hydrogen-bonding motif in the melamine–cyanuric acid co-crystal: a topological study; Springer; Journal of Molecular Modeling; 22; 9; 9-2016; 202-211
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