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The First Oligomeric Samarium(II) Silylamide: Coordinative Saturation through Agostic Sm···SiH Interactions (1999)

Nagl, Iris ; Scherer, Wolfgang ; Tafipolsky, Maxim ; [et al.]

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 1999 (1999), S. 1405-1407

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ISSN: 1434-1948

Keywords: Agostic interactions ; Samarium ; Silylamide ; Transsilylamination ; Trinuclear complex ; Chemistry ; General Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Sm[N(SiMe3)2]2(thf)2 reacts with 1,1,3,3-tetramethyldisilazane by a transsilylamination reaction to form the hexane-soluble Sm[N(SiHMe2)2]2(thf)x in high yield. An X-ray diffraction study reveals a novel trinuclear complex of composition Sm{[μ-N(SiHMe2)2]2Sm[N(SiHMe2)2](thf)}2 featuring a bent array of metal centers. Multiple metal···SiH β-agostic interactions sterically and electronically saturate the samarium(II) centers implying a new coordination mode of the bridging amide ligands.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

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