A series of new complexes of formula Ln_2[H_2(BAA)_2en]_3nH_2 Otwhere Ln- La, Pr, Eu, Cd, Dy, Er, Yb, n-1-4) have been prepared by the reaccLon of lanthanide ions with acycllc compartmental ligand X, N'-bis(benzoy...A series of new complexes of formula Ln_2[H_2(BAA)_2en]_3nH_2 Otwhere Ln- La, Pr, Eu, Cd, Dy, Er, Yb, n-1-4) have been prepared by the reaccLon of lanthanide ions with acycllc compartmental ligand X, N'-bis(benzoylacetylacetone)ethylenediamine (H_4(BAA)_2 en) in methanol. IR and UV spectra, as well as TC DAT analysis prove that the ligand and the Lanthanide ions have coordinated. The coordination number is 12 and the complexes may be of double sandwiched structure.展开更多
基金supported by the National Natural Science Foundation of China
文摘A series of new complexes of formula Ln_2[H_2(BAA)_2en]_3nH_2 Otwhere Ln- La, Pr, Eu, Cd, Dy, Er, Yb, n-1-4) have been prepared by the reaccLon of lanthanide ions with acycllc compartmental ligand X, N'-bis(benzoylacetylacetone)ethylenediamine (H_4(BAA)_2 en) in methanol. IR and UV spectra, as well as TC DAT analysis prove that the ligand and the Lanthanide ions have coordinated. The coordination number is 12 and the complexes may be of double sandwiched structure.