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A new coumarin-based podand-type ligand (L) and its five complexes [Ln(NO 3 ) 3 L] (Ln=Pr (1), Eu (2), Gd (3), Tb (4) and Er (5)) were synthesized. The X-ray single-crystal diffraction analyses indicate that these complexes are isomorphous and lanthanide ions are ten-coordinated. The tetradentate ligand forms a half-ring coordination structure with its oxygen atoms and the distances...
Solid complexes of lanthanide picrates with 2,2′-[1,2-phenylenebis(oxy)]bis(N,N-diphenylacetamide) (PBD) have been prepared in ethanol. These complexes have been characterized by elemental analysis, conductivity measurements, IR, electronic and 1 H NMR spectroscopies. The crystal and molecular structures of [Y(pic) 3 (PBD)]·3.8CH 3 CN have been determined. The crystal structure...
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