Abstract
New anthracene derived dinuclear Au(I)-diacetylide complex (1) has been synthesized in which two Au(I) units are attached at 9,10- positions of ethynyl anthracene moiety. 1 exhibits rare non-covalent intermolecular Au⋯HC interactions, leading to the formation of a supramolecular 2D-network. Further, to understand the effect of CCAuPPh3 units at different position, complexes (2) and (3) were synthesized, where CCAuPPh3 units are attached to 2,6- and 1,8- positions of anthracene, respectively. The absorption and emission spectra of 1–3 have been studied and surprisingly 1 was found to be highly fluorescent with high quantum yield compared to 2 and 3, this may be due to more perturbation of Au(I) on π system. Complexes 1–3 have been characterized by elemental analysis, NMR and Mass spectroscopy and authenticated by their single-crystal X-ray structures.
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