1.3.3. Synthesis, characterization and crystal structure of a new ruthenium polypyridyl complex [Ru(phen)2(4,4'-dicarboxy-2,2'- bipyridine)]PF6

Jiaxi Chen, Jing Sun*, Jufang Kong, Wenxiu Chen and Hongqing Hao*

Abstract


Abstract: A new Ru(II) polypyridyl complex, [Ru(phen)2(4,4'-dicarboxy-2,2'-bipyridine)]PF6·1.5H2O, was synthesized andcharacterized by single crystal X-ray diffraction, elementalanalyses, electrospray ionization mass spectrometry, infraredspectra, ultraviolet (UV) spectra, and emission spectra. Thestructure of the cation [Ru(phen)2(4,4'-(COO-),(COOH)-2,2'-bpy)]+ consists of a six-coordinated ruthenium atom chelated bytwo phen ligands and one 4,4'-dicarboxy-2,2'-bipyridine ligand.The absorption spectrum of the Ru(II) complex is characterizedby two intense ligand-centered transitions in the UV region andone metal to ligand charge transfer in the visible region. Moreover,the complex can display luminescence in water at roomtemperature, with maximum emission at 623 nm.Supporting information: Cif file

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