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dc.contributor.author
Ordikhani Seyedlar, Amin
dc.contributor.author
Martins, João Pedro de Almeida
dc.contributor.author
Sebastião, Pedro J.
dc.contributor.author
Jardim Beira, Maria José
dc.contributor.author
Stapf, Siegfried
dc.contributor.author
Vaca Chávez Fornasero, Fabián
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dc.contributor.author
Mattea, Carlos
dc.date.available
2018-11-16T17:13:06Z
dc.date.issued
2017-07-10
dc.identifier.citation
Ordikhani Seyedlar, Amin; Martins, João Pedro de Almeida; Sebastião, Pedro J.; Jardim Beira, Maria José; Stapf, Siegfried; et al.; Dynamics of binary mixtures of an ionic liquid and ethanol by NMR; John Wiley & Sons Ltd; Magnetic Resonance in Chemistry; 56; 2; 10-7-2017; 108-112
dc.identifier.issn
0749-1581
dc.identifier.uri
http://hdl.handle.net/11336/64615
dc.description.abstract
A study of molecular dynamics of the ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoro-methylsulphonyl)imide ([Emim][Tf2N]) in solution with deuterated ethanol at different molar concentration and temperatures is presented. The study was performed using 1H and 2H nuclear magnetic relaxation and 2H 1D spectroscopy. The temperature dependence of the spin–lattice relaxation time T1 of the cations allows the evaluation of the activation energies of the rotational degree of freedom of these molecules. The viscosity in the binary system increases with the concentration of ionic liquid. However, the activation energy in the cation molecules decreases when the concentration of the ionic liquid increases, indicating that the rotational dynamics is facilitated. This behavior is explained from the fact that the presence of the ionic liquid in the system disrupts the degree of intermediate range order expected in the alcohol system. Copyright © 2017 John Wiley & Sons, Ltd.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons Ltd
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Dynamics
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Hydrogen Bonds
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Nmr
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Relaxation
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Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Dynamics of binary mixtures of an ionic liquid and ethanol by NMR
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-10-22T18:20:47Z
dc.identifier.eissn
1097-458X
dc.journal.volume
56
dc.journal.number
2
dc.journal.pagination
108-112
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Ordikhani Seyedlar, Amin. lmenau University of Technology; Alemania
dc.description.fil
Fil: Martins, João Pedro de Almeida. Universidade de Lisboa; Portugal
dc.description.fil
Fil: Sebastião, Pedro J.. Universidade de Lisboa; Portugal
dc.description.fil
Fil: Jardim Beira, Maria José. Universidade de Lisboa; Portugal
dc.description.fil
Fil: Stapf, Siegfried. lmenau University of Technology; Alemania
dc.description.fil
Fil: Vaca Chávez Fornasero, Fabián. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina. Universidad Nacional de Córdoba. Facultad de Matemática, Astronomía y Física; Argentina
dc.description.fil
Fil: Mattea, Carlos. lmenau University of Technology; Alemania
dc.journal.title
Magnetic Resonance in Chemistry
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/full/10.1002/mrc.4620
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1002/mrc.4620
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