Abstract
Two three-dimensional (3D) metal organic frameworks (MOFs) with pamoic acid (H2pam) ligand have been solvothermally synthesized, namely, [Eu2(pam)3(H2O)4]·3EtOH·2DMF (1, EtOH = ethanol; DMF = N, N′-dimethylformamide) and [Zn(pam)(bibp)]·3H2O·0.5DMF (2, bibp = 4,4’-bis(imidazol-1-yl) biphenyl). Single crystal structure analysis shows that the noninterpenetrating framework of 1 is built by binuclear [Eu2(COO)6] units and can be described as a 6-connected pcu topology. However, compound 2 is constructed from single Zn nodes and is described as a 6-fold interpenetrating dia-type nets. In addition, thermal stability, phase purity and gas sorption as well as the fluorescent property are investigated in detail.
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