Darstellung und struktur des dreikernigen, Sauerstoff-zentrierten, ionischen cyclopentadienylzirkonium-carboxylatokomplexes

  • Thewalt U
  • Döppert K
  • Lasser W
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Reaction of dicyclopentadienylzirconium dichloride with sodium benzoate in aqueous solution yields the trinuclear complex [Zr3(μ3-O)(μ2-OH)3(μ2-C6H5COO)3(η5-C5H5)3]+C6H5COO-·O(C2H5)2whose structure has been determined by X-ray structure analysis. The complex cation is oxygen-centered. The ZrOZr angles (107.3(1) to 108.9(2)°) at the central oxygen atom are close to the tetrahedral angle. Each pair of Zr atoms is bridged by a benzoato and a hydroxo ligand. The coordination octahedra around each Zr atom are completed by an η5-bonded C5H5group. © 1986.

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  • Ulf Thewalt

  • Karl Döppert

  • Wiltraud Lasser

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