Abstract
Reactions of silver(I) chloride or nitrate with 2-(diphenylphosphano)benzaldehyde (dppbza) in 1:2 molar ratio afforded mononuclear complexes of the type [AgX(dppbza)2], whereas treatment of these compounds with equimolar amounts of pyridine-2-thione or 4,6-dimethylpyrimidine-2-thione gave rise to the formation of mixed-ligand complexes of the formula [Ag(dppbza)2(thione)2]NO3 and [AgCl(dppbza)(thione)]2, respectively. The molecular structure of [Ag(dppbza)2(NO3)] has been established by single-crystal X-ray diffraction. The complex features a strongly distorted tetrahedral Ag(I) center surrounded by two phosphane P atoms and two O atoms from the nitrate anion. The new compounds show intense emission in the solid state and in solution at ambient temperature.
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