Abstract
Two luminescent salts, [Au6(Triphos)4Au(CN)2](CF3SO3)5·5CH2Cl2·C6H5CH3 (1) and [Au6(Triphos)4](PF6)6·2CH2Cl2·6C6H5CH3·H2O (2) where Triphos is bis(2-diphenyl-phosphinoethyl)phenylphosphine have been prepared from non-luminescent precursors. The luminescence in each salt results from aurophilic interactions between two or three gold(I) ions. Crystals of [Au6(Triphos)4Au(CN)2](CF3SO3)5·5CH2Cl2·C6H5CH3 (1) contain a box-like structure with an [Au(CN)2]− ion suspended between two gold(I) ions in the box. Crystals of [Au6(Triphos)4](PF6)6·2CH2Cl2·6C6H5CH3·H2O (2) contain a partial helical structure with pairs of gold(I) ions closely connected and surrounded by helical Ph2PCH2CH2PPh-units from two Triphos ligands.
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