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Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
Synthesis and molecular structures of some new titanium(IV) aryloxides
1Laboratoire de Chimie Moléculaire de l'Etat Solide, Université Louis Pasteur, Institut le Bel, 4, Rue Blaise Pascal, 67070 Strasbourg Cedex, France.
Abstract:
The coordination chemistry of model phenolic ligands (pyrocatechol, salicylic acid, and 2,2'-biphenol) that are able to form respectively five-, six-, or seven-membered rings with titanium(IV) alkoxides is investigated. With pyrocatechol, a polynuclear complex containing 10 Ti atoms was characterized with a not very common doubly bridging mu3-(O,O,O',O') coordination mode. With salicylic acid, a monomeric tris(chelate) complex was obtained. With 2,2'-biphenol, a polynuclear complex containing six Ti atoms was obtained showing both mu2-(O,O') and mu2-(O,O,O') coordination modes for the ligands. Intermolecular interactions in the solid state for these three new compounds are also quantitatively discussed using the partial charge model.
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