Abstract
AbstractThree new lanthanide phenoxyacetate complexes with 1,10‐phenanthroline. [Nd(POA)3 (phen)]2 · 2C2H5OH (1), [Eu(POA)3‐ (phen)]2 · 2C2H5OH (2) and [Sm(POA)2(DMSO)(phen)]2‐ (ClO4)2 (3) (POA= phenoxyacetate, phen = 1,10‐phenanthroline, DMSO = dimethyl sulfoxide), were synthesized and characterized by elemental analyses, IR, UV‐vis and FAB‐MS spectra. Their structures were determined by single crystal X‐ray diffraction analysis. In complexes 1 and 2, the carboxylate groups are bonded to Ln3+ ion in three modes: the chelating bidentate, the bridging bidentate and the bridging tridentate. In complex 3, the carboxylate groups are bonded to Sm3+ ion only involved in one mode: the bridging bidentate. The luminescence behavior of complex 2 was also studied by means of emission spectra.
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