Synthesis and characterizations of three layered ZnII, CdII and MnII coordination polymers with a flexible ligand [3-(2-pyridyl)-1-pyrazolyl] acetic acid

作者: Lei Wang , Guang-Peng Jing , Pei Yang , Jing Chen

DOI: 10.1080/00958972.2015.1016006

关键词: Inorganic chemistryHydrolysisThermal stabilityIsostructuralChemistryAcetic acidPolymerCrystallographyCoordination polymerCarboxylateLigand

摘要: Self-assembly of flexible [3-(2-pyridyl)-1-pyrazolyl] acetic acid (Hpypza) with ZnCl2·4H2O, CdCl2·4H2O, and Mn(OAc)2·4H2O affords three new coordination polymers [M(pypza)(HCOO)]n (M = Zn for 1; Cd 2) [Mn(pypza)(OAc)]n (3), which are significantly different from the previously reported complexes [Zn(pypza)Cl]2, [Cd(pypza)Cl]n, [Mn(pypza)Cl]2, [Mn(pypza)Cl]n. These structural differences may be ascribed to use solvents anions. Single-crystal X-ray diffraction analyses these indicate that 1 2 isostructural a 2-D network via bridging pypza− HCOO− resulting hydrolysis DMF, 3 also displays connected OAc−. have been characterized by IR, microanalysis, powder techniques. In addition, solid fluorescence thermal stability properties 1–3 investigated. Magnetic MnII complex measured.

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