Abstract
Incorporation of diplatinum component [Pt 2( μ-dppm) 2(C Cbpy) 4] ( 1, dppm = Ph 2PCH 2PPh 2, C Cbpy = 2,2′-dipyridyl-5-acetylide) with Re(CO) 5Cl, Ru(bpy) 2Cl 2 (bpy = 2,2′-bipyridine) and Gd(hfac) 3(H 2O) 2 (Hhfac = hexafluoroacetylacetone) via 2,2′-dipyridyl chelating induced isolation of Pt 2 II Re 4 I ( 2), Pt 2 II Ru 4 II ( 3), and Pt 2 II Gd 2 III ( 4) complexes, respectively. The structures of 2 and 4 were determined by X-ray single crystal diffraction. Intense low-energy absorptions occur in the range 360–510 nm originating from metal-to-ligand charge transfer (MLCT) transitions. These compounds display photoluminescence in both solid states and dichloromethane at room temperature with emissive lifetimes in the range of microseconds.
Published Version
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