
doi: 10.1039/c2sc00947a
handle: 10722/159400
We reported our endeavour in the quest for an attractive metallophilic interaction between two cyclometalated Au(III) cations without a bridging ligand. Among the newly prepared gold(III) complexes, namely [Au(C^N^N)(C≡CC6H4-4-R)](PF6) [HC^N^N = 6-aryl-2,2′-bipyridine, R = H (1), Me (2), Ph (3), OMe (4), and NMe2 (5)], complex 5 is stable in solution and in the solid state. An X-ray crystallographic determination of the crystal structure of 5 revealed the shortest intermolecular Au(III)⋯Au(III) contact (3.495 A) reported between two gold(III) complex cations. Further spectroscopic and luminescent characterizations and density functional theory calculations on this system converge to the existence of weakly attractive Au(III)⋯Au(III) interactions.
Bridging ligands, Density functional theory calculations, Complex cation, Bipyridines, 540, Metallophilic interactions
Bridging ligands, Density functional theory calculations, Complex cation, Bipyridines, 540, Metallophilic interactions
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