Dibromobis(η⁵-pentamethylcyclopentadienyl)thorium(IV)

The title compound, [ThBr₂(η⁵-C₁₀H₁₅)₂] or Cp^*₂ThBr₂ [Cp^* = η⁵-C₅(CH₃)₅], presents a pseudo-tetrahedral `bent-metallocene' geometry in the solid state, with the Th atom binding to two pentamethylcyclopentadienyl ligands and two bromide ligands. The Th–Br bond length is 2.800 (2) Å, whereas the Th–C distances are in the range 2.77 (1)–2.782 (9) Å.

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