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Dibenzylbis(tert-butylimido)molybdenum(VI), containing both η1- and η2-benzyl ligands

Lookup NU author(s): Emeritus Professor Bill Clegg, Dr Mark Elsegood


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The title compound, [Mo(CH2Ph)2(C4H9N)2], contains two slightly bent imido ligands and two benzyl ligands. One of these benzyl ligands is coordinated as a simple η1-alky 1 ligand, while the other is η2-coordinated through the CH2 group and the ipso-C atom, i.e. dibenzyl-κCα; κ2C1, Cα-bis(tert-butylimido-κN)molybdenum(VI). Considering the η2-benzyl ligand as occupying one coordination site, this gives a tetrahedral geometry around molybdenum, the main angular distortion being a mutual repulsion of the two strongly π-donating imido ligands. This complex is not crystallographically isostructural with its chromium analogue, but the two molecular structures are very similar.

Publication metadata

Author(s): Clegg W, Elsegood MRJ, Dyer PW, Gibson VC, Marshall EL

Publication type: Article

Publication status: Published

Journal: Acta Crystallographica Section C: Crystal Structure Communications

Year: 1999

Volume: 55

Issue: 6

Pages: 916-918

Print publication date: 01/06/1999

ISSN (print): 0108-2701

ISSN (electronic): 1600-5759

Publisher: Wiley-Blackwell Publishing, Inc.


DOI: 10.1107/S0108270199003510


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