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Investigation of solvent effects on the aromaticity of hydroxybenzenes, considering magnetically induced current densities in adducts with explicit water molecules
Indexado
WoS WOS:001209735600001
Scopus SCOPUS_ID:85194144432
DOI 10.1007/S00214-024-03116-X
Año 2024
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Evaluating the effects of a solvent on the properties of a solute molecule is important to understand its behavior in a solution of that solvent; this, in turn, is important because most reactions-including all the reactions in biological systems-occur in solution. In its most common definition, aromaticity is a property of molecules with delocalized electrons in a ring. It significantly influences their behavior and, therefore, it is important to evaluate the effects of a solvent on it. The most powerful magnetic criterion to estimate aromaticity considers magnetically induced current densities in the ring. The present work applies this approach to adducts of hydroxybenzenes with explicit water molecules. Hydroxybenzenes are selected as the simplest aromatic systems capable of forming solute-solvent hydrogen bonds with water molecules. Hydroxybenzenes without consecutive OH groups are selected to avoid the influence of intramolecular hydrogen bonds between OHs. Current densities are calculated focusing on the aromatic rings, and the effect of the solvent is highlighted by the density changes caused by the presence of the water molecules attached to the hydroxybenzene molecule. The results show that the strength of the ring current decreases as the number of OH groups in the molecule increases. The strength does not change greatly in the adducts with respect to the isolated molecules: the change extent and direction depend mostly on the arrangement of water molecules around the central molecule. The current density maps show that the water molecules may also be involved in the current flow.

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Disciplinas de Investigación



WOS
Chemistry, Physical
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Mammino, Liliana Mujer Univ Venda - República de Sudáfrica
University of Venda - República de Sudáfrica
2 Alvarez-Thon, Luis - Universidad Central de Chile - Chile

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Financiamiento



Fuente
Fondo Nacional de Desarrollo Científico y Tecnológico
FONDECYT (Fondo Nacional de Desarrollo Cientifico y Tecnologico)
Centre for High Performance Computing (CHPC), Cape Town, South Africa

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
FONDECYT (Fondo Nacional de Desarrollo Cientifico y Tecnologico) grant No. 1191019. L.M. thanks the Centre for High Performance Computing (CHPC), Cape Town, South Africa.
FONDECYT (Fondo Nacional de Desarrollo Cient\u00EDfico y Tecnol\u00F3gico) grant No. 1191019. L.M. thanks the Centre for High Performance Computing (CHPC), Cape Town, South Africa.

Muestra la fuente de financiamiento declarada en la publicación.