10-π-Electron arenes: À la carte: Structure and bonding of the [E-(CnHn)-E]n-6 (E = Ca, Sr, Ba; N = 6-8) complexes

Sukanta Mondal, Jose Luis Cabellos, Sudip Pan, Edison Osorio, Juan Jose Torres-Vega, William Tiznado, Albeiro Restrepo, Gabriel Merino

Resultado de la investigación: Contribución a una revistaArtículo

16 Citas (Scopus)

Resumen

In this paper, we provide solid evidence to show that among an overwhelming structural diversity, alkaline earth metals (Ca, Sr, Ba) have the ability to form inverted sandwich compounds with C6H6, C7H7+, and C8H82+ of Dnh symmetry and general formula [E-(CnHn)-E]n-6 (n = 6-8) with planar 10-π-electron aromatic cores by virtue of transferring two electrons per metal atom to the ring. However, the origin of the orbital interaction between the metals and the carbon ring is quite different; while [E-(C6H6)-E] complexes are dominated by δ-interactions, both π- and δ-interactions are important in [E-(C7H7)-E]+ and [E-(C8H8)-E]2+ complexes.

Idioma originalInglés
Páginas (desde-hasta)11909-11918
Número de páginas10
PublicaciónPhysical Chemistry Chemical Physics
Volumen18
N.º17
DOI
EstadoPublicada - 1 ene 2016

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