PMID: 11902905Mar 21, 2002Paper

Cyclic carbon cluster dianions and their aromaticity

Journal of the American Chemical Society
Sven FeuerbacherLorenz S Cederbaum

Abstract

Cyclic carbon cluster dianions (CC(2))(2-)(n)(n = 3-6) are investigated by ab initio methods with regard to their geometric properties, electronic stability, and aromaticity. The unique wheel-like structures of these dianions consist of a n-membered carbon ring, where a C(2) unit is attached to each carbon atom. All investigated dianions represent stable gas-phase dianions. While the smallest member of this family (CC(2))(2-)(3) is clearly aromatic, the aromatic character decreases rapidly with increasing ring size. The geometries and the aromaticity of the cyclic clusters (CC(2))(2-)(n)(n = 3-6) can be nicely explained using resonance structure arguments.

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Citations

Dec 22, 2011·The Journal of Physical Chemistry. a·Brian J Esselman, Robert J McMahon
Feb 8, 2006·The Journal of Chemical Physics·Sven Feuerbacher, Lorenz S Cederbaum
Sep 5, 2002·Journal of the American Chemical Society·Andreas DreuwLorenz S Cederbaum
Aug 2, 2003·Journal of the American Chemical Society·Sven Feuerbacher, Lorenz S Cederbaum
Feb 15, 2003·The Journal of Organic Chemistry·Haijun Jiao, Hai-Shun Wu

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