%0 Generic %A Conde, Ana %A Fandos, Rosa %A Otero, Antonio %A Rodríguez, Ana %D 2008 %T Oxo and Hydroxo Organometallic Complexes of Tantalum: Soluble Molecular Models of Tantalum Oxide %U https://acs.figshare.com/articles/dataset/Oxo_and_Hydroxo_Organometallic_Complexes_of_Tantalum_Soluble_Molecular_Models_of_Tantalum_Oxide/2894344 %R 10.1021/om8006932.s002 %2 https://acs.figshare.com/ndownloader/files/4592485 %K Soluble Molecular Models %K KOH %K TaCp %K Tantalum OxideThe tantalum %K tantalum carboxylate %K H 2O %K Hydroxo Organometallic Complexes %K Complex 1 %K dinuclear oxo compound %K dinuclear hydroxo %X The tantalum complex [TaCp*Cl2{2,6(OOC)2py-κ2O,O}] (1) has been synthesized by reaction of [TaCp*Cl4], Cp* = η5-C5Me5, with 2,6-pyridinedicarboxylic acid. Complex 1 reacts with AgOTf, OTf = trifluoromethylsulfate, to yield the new tantalum carboxylate derivative [TaCp*Cl(OTf){2,6(OOC)2py-κ2O,O}] (2) or with KOH to render the dinuclear oxo compound [TaCp*(μ-O){2,6(OOC)2py-κ2O,O}] 2 (3). The reaction of 3 with H2O and HOTf gives the dinuclear hydroxo derivative [{TaCp*{2,6(OOC)2py-κ2O,O}}2(μ-OH)3](OTf) (5). The structures of complexes 1, 2, 3, and 5 have been established by X-ray diffraction methods. %I ACS Publications