Zirconium(IV) acetate or zirconyl acetate, or just zirconium acetate, usually refers to the chemical formula Zr6O4(OH)4(CH3CO2)12 (hexazirconium(IV) tetroxide tetrahydroxide dodecaacetate). It is a white solid formed by the reaction of zirconyl chloride with acetic acid. Claims of Zr(CH3CO2)4 (zirconium(IV) acetate) have been superseded by experiments using X-ray crystallography.
The species Zr6O4(OH)4(CH3CO2)12 is a common precursor to metal-organic frameworks (MOFs). The structure of the 8.5 hydrate (Zr6O4(OH)4(CH3CO2)12·8.5H2O) has been determined by EXAFS. The core can be described as a Zr6 octahedron is face-capped with oxide and hydroxide ligands.
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