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Abstract
Three titanium oxo-isopropoxo clusters [Ti6O4(OAc)4(OPr1)12] (1) and [Ti12O16(OPr1)16] (2) and [Ti17O24(OPri)20](3) are (3) are obtained by a solvothermal approach which does not involve the direct hydrolysis of titanium alkoxide precursor. Water is generated in-situ through esterification reactions induced by acetic acid. The molecular structures of these complexes have been resolved by single crystal X-ray diffraction. The nuclearity of these clusters increases with acetic acid/Ti ratio and temperature.