Abstract
Titanocene complexes ([Ti(η5-C5H4R)2X2];R = H, SiMe3;X=Cl, Br) react with Na2H2EDTA in aqueous methanol to give an identical product ([Ti(EDTA)(H2O)] by cleavage of the halogen and cyclopentadienyl ligands. The structure of [Ti(EDTA)(H2O)] has been determined by X-ray diffraction; crystal data: monoclinica=13.923(6),b=7.048(3),c=13.252(5) A, β=90.81(1)°, space groupP21/c,Z=4. In this complex, Ti has a sevenfold coordination with a hexadentateEDTA4− ligand and a water molecule occupying an additional coordination site.
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