Guillaume Vives

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Journées de la Division de Chimie de Coordination Design et Synthèse d’un Moteur Moléculaire incorporant des Fragments Isolants. Guillaume Vives. Directeurs de Thèse : Gwénaël Rapenne et Jean-Pierre Launay. Toulouse 4 avril 2006. Immobile. En rotation. ROTATION DU DECACYCLENE. - PowerPoint PPT Presentation

Text of Guillaume Vives

  • Journes de la Division de Chimie de Coordination

    Design et Synthse dun Moteur Molculaire incorporant des Fragments IsolantsGuillaume VivesDirecteurs de Thse : Gwnal Rapenne et Jean-Pierre LaunayToulouse 4 avril 2006

  • Images STM sur Cu (100)Calculs ESQCROTATION DU DECACYCLENEUn rotor non directionnelhexa-tert-butyl decacyclene C. Joachim et al., Science 1998, 281, 531

  • PRINCIPLE DU MOTEUR ROTATIFComportement vouluMcanisme minimiser(Rotation dun cinquime de tour)A. Carella, G. Rapenne, J.-P. Launay, New J. Chem. 2005, 29, 288

  • DESIGN Stator : Ligand Tripodal fonctionnalis pour saccrocher une surface Rotor : Cp avec cinq bras rigides termins par des groupements ctroactifs (GE) Espaceurs isolants pour empcher des transferts dlectron intramolculaires Rotule : Atome MtalliqueQuatre parties :

  • MOLECULE CIBLE Stator : Hydrotris(indazolyl)borate Rotor : Cp substitu termin par des ferrocenyls Isolant : complexe trans Pt(II) Rotule : Atome de Ruthenium

  • ROLE ISOLANT DU PLATINE- Etude lectrochimique 12

    E1/2(1)(V/ECS)E1/2(2)(V/ECS)E1/2(mV)10,580,68~ 10020,320,40~ 80

  • ROLE ISOLANT DU PLATINE- Etude Spectolectrochimique 12Formule de Hush :1 : Vab = 0,036 eV

    2 : Vab = 0,025 eVParamtre de couplage lectronique :- Etude Thorique Mthode de lclatement du dimreVab/3 avec Pt

  • STRATEGIES DE SYNTHESE

  • SYNTHESE DU CENTRE ORGANOMETALLIQUE

  • CONNEXION Synthse du fragment Pt :Connexion :G. Vives, A. Carella, G. Rapenne, J.-P. Launay, Chem. Commun., accept

  • CARACTERISATIONS 1H RMN (CD2Cl2) 500 MHz31P RMN195Pt {31P} RMN JPt-P(trans) = 2374 Hz

  • CARACTERISATIONS Electrochimie : CV : CH2Cl2, nBu4PF6 0.1 M, 100 mV.s-1

    E1/2 (V/ECS)FeRu0.310.600.520.82

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    Fe(II) / Fe(III)5 e-

    Ru(II) / Ru(III)1 e-

    GV555

    0-3.42E-10

    4.88E-032.27E-09

    9.77E-035.13E-09

    1.46E-025.92E-09

    1.95E-026.44E-09

    2.44E-026.86E-09

    2.93E-027.25E-09

    3.42E-027.52E-09

    0.03906257.84E-09

    4.39E-028.11E-09

    4.88E-028.39E-09

    5.