Bonding and Electron Delocalization in Ruthenium(III) σ-Arylacetylide Radicals [ trans -Cl(η 2 -dppe) 2 RuC≡C(4-C 6 H 4 X)] +  (X = NO 2 , C(O)H, C(O)Me, F, H, OMe, NMe 2 ): Misleading Aspects of the ESR Anisotropy.

Gauthier, Nicolas; Tchouar, Noureddine; Justaud, Frederic; Argouarch, Gilles; Cifuentes, Marie; Toupet, Loic; Touchard, Daniel; Halet, Jean-Francois; Rigaut, Stephane; Costuas, Karine; Paul, Frederic; Humphrey, Mark

Bonding and Electron Delocalization in Ruthenium(III) σ-Arylacetylide Radicals [ trans -Cl(η 2 -dppe) 2 RuC≡C(4-C 6 H 4 X)] + (X = NO 2 , C(O)H, C(O)Me, F, H, OMe, NMe 2 ): Misleading Aspects of the ESR Anisotropy.

Date

2009

Authors

Gauthier, Nicolas

Tchouar, Noureddine

Justaud, Frederic

Argouarch, Gilles

Cifuentes, Marie

Toupet, Loic

Touchard, Daniel

Halet, Jean-Francois

Rigaut, Stephane

Costuas, Karine

Publisher

American Chemical Society

Abstract

The bonding within the series of [trans-Cl(η2-dppe) 2RuC≡C(4-C6H4X)]n+ complexes (1-Xn+; n = 1, 0 and X = NO2, C(O)H, C(O)Me, F, H, OMe, NMe2) has been examined by IR, ESR, and UV-vis-near-IR spectroscopy together with computational modeling. A strong