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Updated: Jul 31, 2026

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
Published on: April 10, 2015
A Structurally Characterized Organometallic Plutonium(IV) Complex
Christos Apostolidis1, Olaf Walter1, Jochen Vogt2
1European Commission, Joint Research Centre, Directorate G-Nuclear Safety and Security, P.O. Box 2340, 76125, Karlsruhe, Germany.
Abstract:
The blood-red plutonocene complex Pu(1,3-COT'')(1,4-COT'') (4; COT''=η8 -bis(trimethylsilyl)cyclooctatetraenyl) has been synthesized by oxidation of the anionic sandwich complex Li[Pu(1,4-COT'')2 ] (3) with anhydrous cobalt(II) chloride. The first crystal structure determination of an organoplutonium(IV) complex revealed an asymmetric sandwich structure for 4 where one COT'' ring is 1,3-substituted while the other retains the original 1,4-substitution pattern. The electronic structure of 4 has been elucidated by a computational study, revealing a probable cause for the unexpected silyl group migration.
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