Coordination-directed one-dimensional coordination polymers generated from a new unsymmetrical oxadiazole bridging ligand and transition metal ions |
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| Authors: | Zhi-Gang Song Cui-Hong Geng Jian-Ping Ma Yu-Bin Dong |
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| Affiliation: | College of Chemistry, Chemical Engineering and Materials Science, Key Lab of Molecular and Nano Probes，Engineering Research Center of Pesticide and Medicine Intermediate Clean Production, Ministry of Education, Shandong Normal University, Jinan, 250014, P.R. China |
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| Abstract: | Three one-dimensional coordination polymers, namely [ZnL2(NO3)2]n (1), [CdL2(NO3)2]n (2) and {[ZnL2(H2O)2](ClO4)2?2L?2(H2O)}n (3), have been successfully synthesized based on a new unsymmetrical oxadiazole bridging ligand 2-[2-((3-pyridyl)methoxy)phenyl]-5-[(4-pyridyl)]-1,3,4-oxadiazole (L). Compounds 1–3 feature a similar one-dimensional infinite chain that consists of M2L2 building block (M = Zn(II) and Cd(II)). In 3, the uncoordinated L ligands are located between the [M2L2]n chains and serve as the agents to cross-link the chains by weak π–π and H-bonding interactions into a 2D network. In addition, the luminescent properties of L and 1–3 were primarily investigated in the solid state. |
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