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dc.contributor.authorGonzález-Salgado, D.-
dc.contributor.authorZemánková, K.-
dc.contributor.authorNoya, Eva G.-
dc.contributor.authorLomba, Enrique-
dc.date.accessioned2018-06-11T14:05:38Z-
dc.date.available2018-06-11T14:05:38Z-
dc.date.issued2016-
dc.identifierdoi: 10.1063/1.4948611-
dc.identifierissn: 0021-9606-
dc.identifier.citationJournal of Chemical Physics 144 (2016)-
dc.identifier.urihttp://hdl.handle.net/10261/166103-
dc.description.abstractIn this work, we present a study of representative excess thermodynamic properties of aqueous mixtures of methanol over the complete concentration range, based on extensive computer simulation calculations. In addition to test various existing united atom model potentials, we have developed a new force-field which accurately reproduces the excess thermodynamics of this system. Moreover, we have paid particular attention to the behavior of the temperature of maximum density (TMD) in dilute methanol mixtures. The presence of a temperature of maximum density is one of the essential anomalies exhibited by water. This anomalous behavior is modified in a non-monotonous fashion by the presence of fully miscible solutes that partly disrupt the hydrogen bond network of water, such as methanol (and other short chain alcohols). In order to obtain a better insight into the phenomenology of the changes in the TMD of water induced by small amounts of methanol, we have performed a new series of experimental measurements and computer simulations using various force fields. We observe that none of the force-fields tested capture the non-monotonous concentration dependence of the TMD for highly diluted methanol solutions.-
dc.publisherAmerican Institute of Physics-
dc.relationMINECO/ICTI2013-2016/FIS2013-47350-C5-4-R-
dc.rightsclosedAccess-
dc.titleTemperature of maximum density and excess thermodynamics of aqueous mixtures of methanol-
dc.typeartículo-
dc.date.updated2018-06-11T14:05:38Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
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