Dinuclear Eu(Iii), Gd(Iii), And Tb(Iii) Complexes Of Meso-1,2-Bis(Ethylsulfinyl)Ethane With 2,2 ': 6 ',2 ''-Terpyridine As Co-Ligand
AUSTRALIAN JOURNAL OF CHEMISTRY（2006）
摘要
Three dinuclear lanthanide complexes of flexible disulfoxide ligand meso-1,2-bis(ethylsulfinyl)ethane (L), [Ln(2)(L)(2)(mu-L)(tpy)(4)](ClO4)(6)(CHCl3)(4) (Ln = Eu 1, Gd 2) and [Tb-2(L)(4)(mu-L)(tpy)(2)](ClO4)(6)(CHCl3) 3 with 2,2':6',2"-terpyridine (tpy) as co-ligand were synthesized and structurally characterized. In 1 and 2, the metal centre is nine-coordinated to two tpy and one-and-a-half L ligands, whereas in 3 it coordinates with one tpy and two-and-a-half L, which may be attributed to the influence of the lanthanide contraction. In such complexes the disulfoxide ligands perform two kinds of coordination modes, bridging and chelating, indicating their flexibility in the formation of such complexes.
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proteins,combinatorial chemistry,analytical chemistry,educational,photochemistry,biocatalysis,sensors,computational chemistry,electrochemistry,ab initio calculations,crystal structures,peptide,ionic liquids,interfaces,enzymes,organic chemistry,catalysis,green chemistry,inorganic chemistry,mass spectrometry,combinatorial,self assembly,colloids,nanotechnology,physical chemistry,amino acids,supramolecular chemistry,biosensors,kinetics,macromolecules,medicinal chemistry,reaction mechanisms,pharmaceutical chemistry,polymer chemistry,structure,density functional theory,biological chemistry,surface chemistry,spectroscopy,crystallography,quantum chemistry
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