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Employing La2- (La = Eu, Tb, Pr) or Co3-Based Molecule Building Blocks To Construct 3,8-Connected Nets: Hydrothermal Synthesis, Structure, Luminescence, and Magnetic Properties

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posted on 2008-06-04, 00:00 authored by Feng Luo, Yunxia Che, Jimin Zheng
In this work, we report two 3,8-connected nets. The first one is polymers 13, La(pydc)(L)0.5(µ-H2O) (pydc = pyridine-2,5-carboxylate, H2L = adipic acid), which are isostructural and described by the (4·5·6)2(42·56·616·72·82) topology notation, and the other one is polymer 4, Co3(1,4-BDC)(1,2-BDC)22-H2O)2(µ-H2O)2 (1,4-BDC = 1,4-benzenedicarboxylate, 1,2-BDC = 1,2-benzenedicarboxylate), characterized by the tfz-d net with the (43)2(46·618·84) topology symbol. Comparing with the reported 3,8-connected nets, the present examples show several unique properties: (a) the La2- and Co3-based MBBs are unprecedented; (b) two different multicarboxylate ligands are employed to construct such nets; (c) the 3D matrix of polymers 13 is unique and unprecedented.

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