Chemistry and Physics Faculty Articles

Title

Evaluation of a Silyene Divalent Lanthanide Interaction in the Metallocene Complex, (C5Me5)2Sm[SiNtBuCHCHNtBu]

Document Type

Article

Publication Date

3-3-2003

Publication Title

Organometallics

ISSN

0276-7333

Volume

22

Issue/No.

5

First Page

1160

Last Page

1163

Peer Reviewed

1

Abstract

An R2Si: →Ln(II) complex Summary: (C5Me5)2Sm[SiNtBuCHCHNtBu], 1, has been synthesized in 90% yield by reaction of (C5Me5)2Sm with 1,3-di-tert-butyl-2,3-dihydro-1H-1,3,2-diazasilol-2-ylidene in toluene. Structural features of the (C5Me5)2Sm part of 1 are similar to those in (C5Me5)2Sm(THF). The silylene ligand is located asymmetrically in the metallocene wedge with one tert-butyl group (Sm−C(Me) = 3.396(4) Å) much closer to the metal than the other (Sm−C(Me) = 4.741(4) Å). The Si−Sm(II) distance is 3.1910(1) Å.

Comments

©2003 American Chemical Society

DOI

10.1021/om0208422

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