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One pot-synthesis of the fourth category of dinuclear molybdenum(VI) oxalate series: Structure and study of thermal and redox properties

dc.contributor.authorSARR, Bougar
hal.structure.identifierLaboratoire de Chimie et Physique des Matériaux [LCPM]
dc.contributor.authorMBAYE, Abdou
dc.contributor.authorDIOP, Cheikh A.K.
dc.contributor.authorSIDIBE, Mamadou
hal.structure.identifierChimie de la matière complexe [CMC]
dc.contributor.authorMELIN, Frédéric
hal.structure.identifierChimie de la matière complexe [CMC]
dc.contributor.authorHELLWIG, Petra
hal.structure.identifierCentre interuniversitaire de recherche et d'ingénierie des matériaux [CIRIMAT]
dc.contributor.authorMAURY, Francis
hal.structure.identifierCentre interuniversitaire de recherche et d'ingénierie des matériaux [CIRIMAT]
dc.contributor.authorSENOCQ, François
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGUIONNEAU, Philippe
hal.structure.identifierFédération des Sciences Chimiques de Marseille [FSCM]
dc.contributor.authorGIORGI, Michel
hal.structure.identifierInstitut des Matériaux Jean Rouxel [IMN]
dc.contributor.authorGAUTIER, Romain
dc.date.issued2019-06-01
dc.identifier.issn0020-1693
dc.description.abstractEnThree new dinuclear molybdenum(VI) oxalate (Pr2NH2)4·[Mo2O6(C2O4)2] (1), (iPr2NH2)4·[Mo2O6(C2O4)2] (2) and (HDabco)4[Mo2O6(C2O4)2]·2H2O (3) compounds, have been prepared by one pot-synthesis at room temperature and characterized by single crystal X-ray diffraction and vibrational spectroscopies. Each compound contains the binuclear [Mo2O6(C2O4)2]4− anion where each molybdenum is in an octahedral MoO6 environment. In compound (3), the interconnection between [Mo2O6(C2O4)2]4− anions, [HDabco]+ cations and water molecules (H2O) leads to an infinite inorganic-organic chain structure. Similarly, in compounds (1) and (2) the interactions between [Mo2O6(C2O4)2]4− anions and respectively [Pr2NH2]+ and [iPr2NH2]+ cations leads to an infinite inorganic-organic chain structure. A remarkable difference between the compounds is that in compounds (1) and (2) interactions between the chains involve only Van der Waals forces giving rise to layer-like structures, which also interact between them only by Van der Waals forces, whereas in compound (3) the chains interact also through hydrogen bonds giving a 3D supramolecular structure. The thermal properties of the compounds were investigated through thermogravimetric and differential thermal analyzes. The differences in the thermal decomposition of the compounds in the solid state are discussed in relation with their crystal structure. Cyclic voltammetry shows that the [Mo2O6(C2O4)2]4− anion can be reduced in both aprotic solvent and water.
dc.language.isoen
dc.publisherElsevier
dc.subject.enMolybdenum
dc.subject.enOxidation
dc.subject.enMetal ions
dc.title.enOne pot-synthesis of the fourth category of dinuclear molybdenum(VI) oxalate series: Structure and study of thermal and redox properties
dc.typeArticle de revue
dc.identifier.doi10.1016/j.ica.2019.03.037
dc.subject.halSciences de l'ingénieur [physics]/Matériaux
bordeaux.journalInorganica Chimica Acta
bordeaux.page84-92
bordeaux.volume491
bordeaux.peerReviewedoui
hal.identifierhal-02098234
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02098234v1
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