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Title
A Highly Stable N-Heterocyclic Carbene Complex of Trichloro-oxo-vanadium(V) Displaying Novel Cl-Ccarbene Bonding Interactions
Fields of Research (FoR) 2008:
Author(s)
Publication Date
2003
Socio-Economic Objective (SEO) 2008
Abstract
Reaction of 1,3-dimesitylimidazol-2-ylidene and trichloro-oxo-vanadium(V) yields an air stable 1:1 adduct, which demonstrates the utility of N-heterocyclic carbenes to stabilize metal complexes in high oxidation states. The molecular structure of this compound reveals that the chloride ligands cis to the carbene are oriented toward the C'carbene' atom. Density functional theory calculations show that a bonding interaction occurs between lone pairs of these chlorides and the formally unoccupied p-orbital of the carbene. Previous studies indicated that this orbital was not involved in the bonding of N-heterocyclic carbenes to transition metals. The observed interaction therefore represents a new bonding mode for these widely used ligands.
Publication Type
Journal Article
Source of Publication
Journal of the American Chemical Society, 125(5), p. 1128-1129
Publisher
American Chemical Society
Place of Publication
United States of America
ISSN
1520-5126
0002-7863
1943-2984
Peer Reviewed
Yes
HERDC Category Description
Peer Reviewed
Yes
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