A 3D-analysis of cluster formation and dynamics of the X--benzene (X = F, Cl, Br, I) ionic dimer solvated by Ar atoms
Identifieur interne : 007283 ( Main/Merge ); précédent : 007282; suivant : 007284A 3D-analysis of cluster formation and dynamics of the X--benzene (X = F, Cl, Br, I) ionic dimer solvated by Ar atoms
Auteurs : Margarita Alberti [Espagne] ; Fermin Huarte-Larranaga [Espagne] ; Antonio Aguilar [Espagne] ; Jose M. Lucas [Espagne] ; Fernando Pirani [Italie]Source :
- PCCP. Physical chemistry chemical physics : (Print) [ 1463-9076 ] ; 2011.
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- Pascal (Inist)
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- KwdEn :
Abstract
The specific influence of X-ions (X = F,Cl, Br, I) in the solvation process of halide-benzene (X-Bz) ionic heterodimers by Ar atoms is investigated by means of molecular dynamic (MD) simulations. The gradual evolution from cluster rearrangement to solvation dynamics is discussed by considering ensembles of n (n = 1-15 and n = 30) Ar atoms around the X--Bz stable ionic dimers. The potential energy surfaces employed are based on an atom/ion-atom and atom/ ion-bond decomposition, which has been developed previously by some of the authors. The outcome of the dynamics is analyzed by employing radial distribution functions (RDF) and tridimensional (3D) probability densities.
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Benzene</term>
<term>Decomposition</term>
<term>Dimer</term>
<term>Dynamics</term>
<term>Halides</term>
<term>Ions</term>
<term>Molecular dynamics method</term>
<term>Potential energy surfaces</term>
<term>Probability density</term>
<term>Radial distribution function</term>
<term>Solvation</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Dynamique</term>
<term>Benzène</term>
<term>Dimère</term>
<term>Ion</term>
<term>Solvatation</term>
<term>Halogénure</term>
<term>Méthode dynamique moléculaire</term>
<term>Surface énergie potentielle</term>
<term>Décomposition</term>
<term>Fonction distribution radiale</term>
<term>Densité probabilité</term>
<term>3115Q</term>
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<front><div type="abstract" xml:lang="en">The specific influence of X<sup>-</sup>
ions (X = F,Cl, Br, I) in the solvation process of halide-benzene (X-Bz) ionic heterodimers by Ar atoms is investigated by means of molecular dynamic (MD) simulations. The gradual evolution from cluster rearrangement to solvation dynamics is discussed by considering ensembles of n (n = 1-15 and n = 30) Ar atoms around the X--Bz stable ionic dimers. The potential energy surfaces employed are based on an atom/ion-atom and atom/ ion-bond decomposition, which has been developed previously by some of the authors. The outcome of the dynamics is analyzed by employing radial distribution functions (RDF) and tridimensional (3D) probability densities.</div>
</front>
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<tree><country name="Espagne"><region name="Catalogne"><name sortKey="Alberti, Margarita" sort="Alberti, Margarita" uniqKey="Alberti M" first="Margarita" last="Alberti">Margarita Alberti</name>
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<name sortKey="Lucas, Jose M" sort="Lucas, Jose M" uniqKey="Lucas J" first="Jose M." last="Lucas">Jose M. Lucas</name>
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