Abstract
Two new three-dimensional lanthanide coordination complexes, [Ln 2(IDC) 2(H 2O) 3] · 1.5H 2O (Ln = Sm ( 1), Eu ( 2), IDC = 4,5-imidazoledicarboxylate), have been prepared by hydrothermal reaction of Ln 2O 3, H 3IDC at 140 °C and characterized by single-crystal X-ray diffraction analysis. To our knowledge, they represent the first examples of having intertwined lanthanide double and triple helical motifs and nanosized tubular channels. In addition, compound 2 exhibit red photoluminescence at room temperature.
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