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From the two-component system CBrCl3+CBr4 to the high-pressure properties of CBr4.

hal.structure.identifierDepartament de Fisica i Enginyeria Nuclear [UPC, Barcelone] [ETSEIB]
dc.contributor.authorLEVIT, Rafael
hal.structure.identifierDepartament de Fisica i Enginyeria Nuclear [UPC, Barcelone] [ETSEIB]
dc.contributor.authorBARRIO, Maria
hal.structure.identifierDepartament de Fisica i Enginyeria Nuclear [UPC, Barcelone] [ETSEIB]
dc.contributor.authorVEGLIO, Nestor
hal.structure.identifierDepartament de Fisica i Enginyeria Nuclear [UPC, Barcelone] [ETSEIB]
dc.contributor.authorTAMARIT, Josep Ll
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorNÉGRIER, Philippe
hal.structure.identifierDepartament de Fisica i Enginyeria Nuclear [UPC, Barcelone] [ETSEIB]
hal.structure.identifierForschungsneutronenquelle Heinz Maier-Leibnitz [FRM II]
dc.contributor.authorPARDO, Luis C
hal.structure.identifierInstitut Laue-Langevin [ILL]
dc.contributor.authorSANCHEZ-MARCOS, Jorge
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorMONDIEIG, Denise
dc.date.created2008-07-13
dc.date.issued2008-11-06
dc.identifier.issn1520-6106
dc.description.abstractEnThe experimental phase diagram of the CBrCl3+CBr4 system has been determined by means of X-ray powder diffraction and thermal analysis techniques from 200 K to the liquid state. Before melting, the two components have the same orientationally disordered (OD) face-centered cubic phase, and solid-liquid equilibrium is explained by simple isomorphism. The application of multiple crossed isopolymorphism formalism to the low-temperature solid-solid equilibria has enabled the inference of an OD rhombohedral metastable (at normal pressure) phase for CBr4. Experimental determination of the pressure-volume-temperature and construction of the pressure-temperature phase diagrams for CBr4 reveal the existence of a high-pressure phase, the rhombohedral symmetry of which is inferred by means of the thermodynamic assessment of the experimental phase diagram and demonstrated by means of high-pressure neutron diffraction measurements. The procedure used in this work confirms the connection between the appearance of metastable phases at normal pressure and their existence at high-pressure.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.title.enFrom the two-component system CBrCl3+CBr4 to the high-pressure properties of CBr4.
dc.typeArticle de revue
dc.identifier.doi10.1021/jp806180y
dc.subject.halChimie/Cristallographie
bordeaux.journalJournal of Physical Chemistry B
bordeaux.page13916-22
bordeaux.volume112
bordeaux.issue44
bordeaux.peerReviewedoui
hal.identifierhal-00745576
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00745576v1
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