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Three coordination polymers—{[Ag2(SIP)(4-pp)]·[Ag(4-pp)2]·H2O}n, [Pb4(SIP)2( μ3-OH)2(H2O)2]n, and {[Zn2(SIP)2(4-pp)4][Zn(4-pp)2(H2O)4]·4H2O}n (SIP = 5-sulfoisophthalic acid anion, 4-pp = 4-phenylpyridine)—are constructed under hydrothermal or solvothermal conditions using sodium m-phthalate 5-sulfonate (NaH2SIP) and 4-phenylpyridine as ligands. The structures of the three complexes are determined by single-crystal X-ray diffraction, powder X-ray diffraction, thermogravimetric analyses, Fourier-transform infrared analysis, and photoluminescence. The fluorescent properties of the complexes in the solid state are investigated at room temperature, and the results indicate that they all show photoluminescent properties.

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Three new complexes, {[Ni2(3-PCA)2(DMAP)4(H2O)2]·2H2O}2, [Cu2(3-PCA)2(4-PP)2·2H2O]n, and [Cu2(4-PCA)2(2,2′-bpy)2·2H2O]n, are synthesized by the solvothermal method with pyrazole-3-carboxylic acid or pyrazole-4-carboxylic acid as the main ligands and 2,2′-bipyridine, 4-dimethylaminopyridine, or 4-phenylpyridine as auxiliary ligands. The crystal structures of the three complexes are determined by single-crystal X-ray diffraction, powder X-ray diffraction, thermogravimetric analysis, and Fourier transform infrared analysis. The magnetic detection proves that the three complexes are all antiferromagnetic.