Bonding and Electron Delocalization in Ruthenium(III) σ-Arylacetylide Radicals [trans-Cl(η2-dppe)2RuC≡C(4-C6H4X)]+ (X = NO2, C(O)H, C(O)Me, F, H, OMe, NMe2): Misleading Aspects of the ESR Anisotropy | doi.page