Experimental and theoretical evidence of -d interactions in supramolecular assemblies based on TTF-CH-Py ligands tethered to Mo6Xi8 octahedral molybdenum halide cluster cores - Université de Rennes Accéder directement au contenu
Article Dans Une Revue European Journal of Inorganic Chemistry Année : 2009

Experimental and theoretical evidence of -d interactions in supramolecular assemblies based on TTF-CH-Py ligands tethered to Mo6Xi8 octahedral molybdenum halide cluster cores

Résumé

Synthesis, characterization, and physical properties of [Mo6Xi8(TTF-CH=CH-Py)a6]4+ supramolecular assemblies [TTF = tetrathiafulvalene; Py = pyridine; X = Cl (1), Br (2),I (3)] resulting from the reaction between [Mo6Xi8(OSO2CF3)6]2- cluster precursor and TTF-CH=CH-Py ligands were investigated. They are based on the association of the strongly delocalized metallic electron [Mo6Xi8]4+ cluster cores with six redox-active π-conjugated TTF-CH=CH-Py terminal ligands attached to the Mo clusters through the pyridinyl group. Synergetic π-d interactions between the organic ligands and the cluster core were experimentally evidenced by electrochemistry and absorption measurements, and corroborated by DFT calculations.

Dates et versions

hal-00414441 , version 1 (09-09-2009)

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Ganesan Prabusankar, Yann Molard, Stéphane Cordier, Stéphane Gohlen, Yann Le Gal, et al.. Experimental and theoretical evidence of -d interactions in supramolecular assemblies based on TTF-CH-Py ligands tethered to Mo6Xi8 octahedral molybdenum halide cluster cores. European Journal of Inorganic Chemistry, 2009, 2009 (14), pp.2153-2161. ⟨10.1002/ejic.200900136⟩. ⟨hal-00414441⟩
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