Stabilization of low-oxidation-state early transition-metal complexes bearing 1,2,4-triphosphacyclopentadienyl ligands: Structure of [{Sc(P(3)C(2)tBu(2))(2)}(2)];Sc-II or mixed oxidation state?

Clentsmith, Guy K B, Cloke, F Geoffrey N, Green, Jennifer C, Hanks, John, Hitchcock, Peter B and Nixon, John F (2003) Stabilization of low-oxidation-state early transition-metal complexes bearing 1,2,4-triphosphacyclopentadienyl ligands: Structure of [{Sc(P(3)C(2)tBu(2))(2)}(2)];Sc-II or mixed oxidation state? Angewandte Chemie International Edition, 42 (9). pp. 1038-1041. ISSN 1433-7851

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Abstract

ScII or mixed oxidation state ScIII/ScI? Reduction of the homoleptic ScIII complex [Sc(P3C2tBu2)3] allows access to the subvalent [{Sc(P3C2tBu2])2}2] complex (see picture), in which the metal centers are formally bivalent. DFT calculations support fomulation of the reduced species as a mixed oxidation state.

Item Type: Article
Additional Information: Joint main author (with JF Nixon); all experimental work done at Sussex; the first report of the isolation and detailed characterisation of a scandium complex in the oxidation state of (II)- this compound thus completes the series of divalent metallocene sandwich complexes for the 1st row transition elements elements.
Schools and Departments: School of Life Sciences > Chemistry
Depositing User: Geoff Cloke
Date Deposited: 06 Feb 2012 21:29
Last Modified: 07 Jun 2012 15:19
URI: http://sro.sussex.ac.uk/id/eprint/31424
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