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Dibromobis(η 5 -pentamethylcyclopentadienyl)thorium(IV)

1997; Wiley; Volume: 53; Issue: 12 Linguagem: Inglês

10.1107/s0108270197010056

1600-5759

D. Rabinovich, George L. Schimek, William T. Pennington, Jon B. Nielsen, Kent D. Abney,

Magnetism in coordination complexes

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.