Citation:
LI Wen-Xian, ZHANG Dong-Feng. Synthesis and Characterization of Phenylcarboxymethyl-sulfoxide Complexes with Lanthanide and Study on Fluorescence Spectrum of Eu(Ⅲ) Complex[J]. Chinese Journal of Applied Chemistry,
;2002, 19(2): 140-143.
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Six solid complexes of phenylcarboxymethyl sulfoxide(LH) with lanthanide(Ln=La,Ce,Pr,Nd,Sm,Eu) have been synthesized and characterized. Elemental analysis and 1H NMR results suggested that the complexes have a composition of RELCl2·3H2O·1.5C2H5OH(RE=La,Ce,Pr,Nd,Sm,Eu). The molar conductivities of the complexes in aqueous solution indicated that Cl-anions are not coordinated. IR results indicated the ligand is bonded with RE3+ ions through two oxygen atoms in carboxyl group as a symmetrical chelating bidentate group and one oxygen atom in sulfoxyl group. Fluorescence spectrum of Eu3+ complex revealed that there is no inversion symmetry at the site of Eu3+ ion.
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