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| Syntheses,Crystal Structures and Fluorescence Sensing for Fe3+ of Transition Metal Complexes with 3,4,5,6-Tetrafluorophthalic Acid and N-Donor Ligands |
| Author Name | Affiliation | E-mail | | ZHANG Mei-Na | Department of Chemistry, Capital Normal University, Beijing 100048, China | | | ZHENG Xiao-Li | Department of Chemistry, Capital Normal University, Beijing 100048, China | | | QU Xiang-Long | Department of Chemistry, Capital Normal University, Beijing 100048, China | | | LI Xia | Department of Chemistry, Capital Normal University, Beijing 100048, China | xiali@mail.cnu.edu.cn | | GAO Yuan | Department of Chemistry, Capital Normal University, Beijing 100048, China | |
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| Abstract: Three new complexes,{[M (TFPT)(DPP)]·H2O}n(M=Cd (1),Ni (2)),{[Cd (TFPT)(BTB)0.5]·2H2O}n(3) were synthesized by using transition metal salts,3,4,5,6-tetrafluorophthalate (TFPT),1,3-di (4-pyridyl)-propane (DPP) and 1,4-bis (1,2,4-triazol-1-yl) butane (BTB) by hydrothermal method.The crystal structures were determined by single crystal X-ray diffraction.Complexes 1 and 2 have similar one-dimensional chain structure.The configuration of center metal ion is distorted octahedral of[MO4N2].Complex 3 is two-dimensional structure.The configuration of center metal ion is distorted octahedral of[CdO5N].Complexes 1 and 3 have ligand-based fluorescence emissions,which are corresponding to π*-π transition of the ligand at 424 nm and 442 nm,respectively.Complex 2 has very weak fluorescence emission at 356 nm.It is interesting to note that different metal cations have different effects on fluorescence of complexes 1 and 3.They would be regarded as a sensor for Fe3+ ions in aqueous solutions via a fluorescence quenching mechanism. |
| Keywords: transition metal complexes 3,4,5,6-tetrafluorophthalic acid crystal structure fluorescence |
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| ZHANG Mei-Na,ZHENG Xiao-Li,QU Xiang-Long,LI Xia,GAO Yuan.Syntheses,Crystal Structures and Fluorescence Sensing for Fe3+ of Transition Metal Complexes with 3,4,5,6-Tetrafluorophthalic Acid and N-Donor Ligands[J].Chinese Journal of Inorganic Chemistry,2017,33(7):1172-1180. |
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