Construction of two 2D 3d-4f coordination complexes based on the linkages of left-and right-handed helical chains |
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| Authors: | Li-Cai Zhu Yi Zhao Shu-Juan Yu Mou-Ming Zhao |
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| Affiliation: | College of Light Industry and Food Sciences, South China University of Technology, Guangzhou 510641, China |
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| Abstract: | Two transition-lanthanide metal-organic coordination polymers, {CoLn2(Himdc)2(SO4)2(H2O)4]·H2O}n Ln = Yb (1), Ho (2)] (H3imdc = imidazole-4, 5-dicarboxylic acid), have been synthesized by the hydrothermal reactions of lanthanide oxides, CoSO4·7H2O, H3imdc and H2O. Single-crystal X-ray diffraction analysis reveals that the isostructural complexes 1 and 2 possess unusual 2D wave-like heterometallic layers with 1D (Ln2O2CoO2)n and Ln2(SO4)2]n inorganic chains constructed by the assembly of 1D left-/right-handed helical L–Ln2Co–L (L = Himdc) chains and SO42? anions, while a 3D framework is formed via hydrogen-bonding interactions interlayer. |
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