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- W3149935518 abstract "Two coordination polymers,{ [Cd( mpep) ]Cl2}n( 1,mpep = 2-{ 1-[( 2-methylphenyl) imino]-ethyl} pyridine) and { [Cd( acpy) ]Cl2}n( 2,acpy = 2-acetylpyridine),were synthesized under solvothermal condition. The structures of complexes 1 and 2 were characterized by single crystal X-ray diffraction analysis,1H nuclear magnetic resonance(1H NMR) spectrometry,elemental analysis and infrared( IR) spectrometry.The results show that both complexes 1 and 2 have 1D chain structure. The central cadmium( Ⅱ) atom in complex 1 is coordinated by four chloride ions and two nitrogen atoms from mpep,forming a distorted cisoctahedron coordination geometry,and the Cd( mpep) ]Cl2unit builds up a polymeric chain by μ2-chlorinebridging. The central cadmium( Ⅱ) atom in complex 2 is coordinated by a nitrogen atom and an oxygen atom from acpy and four chloride ions,forming a distorted cis-octahedron coordination geometry,the Cd( acpy) ]Cl2unit builds up a polymeric chain by μ2-chlorine-bridging. Additionally,the fluorescent properties of the two complexes were characterized in both solid state and in different polar solvents. The results show that complexes 1 and 2 exhibit blue fluorescence emission( ca.390—433 nm) in CH3 OH,CH3CN and CH2Cl2,indicating that the coordination polymers have weak solvent effect. The emission spectra of complexes 1 and 2 at298 K are centered at 440 and 473 nm respectively in solid state. Comparing to the emission spectra in solutions,the emission spectra in solid-state undergo obvious red-shift. The lifetime of complexes 1 and 2 are relatively long( ca.19. 08—60. 20 μs) at room temperature." @default.
- W3149935518 created "2021-04-13" @default.
- W3149935518 creator A5061151799 @default.
- W3149935518 date "2015-01-01" @default.
- W3149935518 modified "2023-09-23" @default.
- W3149935518 title "Synthesis,Characterization and Blue-emission of Cd(II) Coordination Polymers with μ-Chlorine-Bridging One-dimensional Chain Structures" @default.
- W3149935518 hasPublicationYear "2015" @default.
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