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  Quantifying how step-wise fluorination tunes local solute hydrophobicity, hydration shell thermodynamics and the quantum mechanical contributions of solute–water interactions

Robalo, J. R., Mendes de Oliveira, D., Imhof, P., Ben-Amotz, D., & Vila Verde, A. (2020). Quantifying how step-wise fluorination tunes local solute hydrophobicity, hydration shell thermodynamics and the quantum mechanical contributions of solute–water interactions. Physical Chemistry Chemical Physics, 22(40), 22997-23008. doi:10.1039/D0CP04205F.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0007-17EC-6 Versions-Permalink: https://hdl.handle.net/21.11116/0000-000B-07E5-B
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 Urheber:
Robalo, João Ramiro1, Autor           
Mendes de Oliveira, Denilson, Autor
Imhof, Petra, Autor
Ben-Amotz, Dor, Autor
Vila Verde, Ana1, Autor           
Affiliations:
1Ana Vila Verde, Theorie & Bio-Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2205638              

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 Zusammenfassung: The ability to locally tune solute-water interactions and thus control the hydrophilic/hydrophobic character of a solute is key to control molecular self-assembly and to develop new drugs and biocatalysts; it has been a holy grail in synthetic chemistry and biology. To date, the connection between i) the hydrophobicity of a functional group; ii) the local structure and thermodynamics of its hydration shell; and iii) the relative influence of van der Waals (dispersion) and electrostatic interactions on hydration remains unclear. We investigate this connection using spectroscopic, classical simulation and ab initio methods by following the transition from hydrophile to hydrophobe induced by the step-wise fluorination of methyl groups. Along the transition, we find that water-solute hydrogen bonds are progressively transformed into dangling hydroxy groups. Each structure has a distinct thermodynamic{, spectroscopic and quantum-mechanical signature connected to the associated local solute hydrophobicity and correlating with the relative contribution of electrostatics and dispersion to the solute-water interactions.

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Sprache(n): eng - English
 Datum: 2020-09-292020
 Publikationsstatus: Erschienen
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 Identifikatoren: DOI: 10.1039/D0CP04205F
BibTex Citekey: D0CP04205F
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Titel: Physical Chemistry Chemical Physics
  Kurztitel : Phys. Chem. Chem. Phys.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Cambridge, England : Royal Society of Chemistry
Seiten: - Band / Heft: 22 (40) Artikelnummer: - Start- / Endseite: 22997 - 23008 Identifikator: ISSN: 1463-9076