Molecular structure of [Y4(μ3,η2-OR)3(μ,η2-OR)2(η1-OR)4 (μ,η1-OR)3]2 R=C2H4OPri, an homoleptic alkoxide with three different coordination numbers

The reaction between yttrium chips or Y5O(OPri)13 and 2-isopropoxyethanol afforded the title compound. It has been characterized in the solid state by X-ray diffraction and in solution by 1H and 89Y NMR spectroscopy.