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Article Dans Une Revue European Journal of Inorganic Chemistry Année : 2012

Amide-Functionalized Bis(NHC) Systems: Anion Effect on Gold-Gold Interactions

Résumé

Dinuclear dicationic gold complexes containing amide‐functionalized bis(NHC) ligands exhibit aurophilic interactions in the presence of halogen counterions, as shown in compounds 5 and 6 . DFT calculations confirmed the stability of these geometries and predicted longer gold··· gold distances in the absence of halogen anions. This was confirmed by employing a “non‐interactive” anion like tetraphenylborate in complex 8 . Both types of complexes were unambiguously characterized by X‐ray analysis. Furthermore, only complexes 5 and 6 containing the halogen anions are luminescent in the solid state and in a water matrix at 77 K.

Dates et versions

hal-02909926 , version 1 (31-07-2020)

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Catherine Hemmert, Romuald Poteau, François Jean-Baptiste-Dit-Dominique, Paola Ceroni, Giacomo Bergamini, et al.. Amide-Functionalized Bis(NHC) Systems: Anion Effect on Gold-Gold Interactions. European Journal of Inorganic Chemistry, 2012, 2012 (24), pp.3892-3898. ⟨10.1002/ejic.201200323⟩. ⟨hal-02909926⟩
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