Heterometallic coordination polymers constructed by linear ligands |
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| Authors: | Hao-Min Chen Rui-Xiang Hu Man-Bo Zhang |
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| Affiliation: | Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, PR China |
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| Abstract: | Eight lanthanide–copper coordination polymers of linear rigid 4-(4-pyridyl)benzoate(L1) and isonicotinate(L2), [LnCuI(L1)2(OAc) (H2O)]n (Ln = Pr, 1; Nd, 2; Sm, 3; Eu, 4; Gd, 5), [Ln2Cu4I3(L2)7 (H2O)]n (Ln = La, 6; Pr, 7), and [Nd2Cu7I6(L2)7 (H2O)6]n·2.5nH2O (8), were hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction. The three-dimensional frameworks of 1–5 can be described as wave-like layer modules of [Ln(L1)2(OAc)(H2O)]n linking with each other through dimeric units of Cu2I2, whereas that of compounds 6 and 7 are constructed by layer modules of  and Cu4I3 clusters. As for 8, dimeric units of Nd2(L2)7(H2O)6 connect layered polymeric  forming a 3D framework. |
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| Keywords: | Heterometallic complexes Hydrothermal synthesis Lanthanides |
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