摘要
A two-dimensional coordination polymer [Co（H2tba）2（DMF）2]n 1 （H2tba = 2-thiobarbituric acid anion, DMF = N,N-dimethylformamide） has been synthesized by CoCl2？6H2O with the 2-thiobarbituric acid ligands under solvothermal conditions. Compound 1 was further characterized by FTIR, elemental analysis, TGA and powder XRD techniques. Single-crystal X-ray diffraction studies revealed that the title compound crystallizes in the monoclinic space group Pbca with a = 12.5948（12）, b = 11.4269（11）, c = 14.8939（15） , V = 2143.5（4） ？3, Z = 4, Dc = 1.523 g·cm-3, F（000） = 1012, μ = 1.038 mm-1, R = 0.0358 and wR2 = 0.0888 （I 〉 2σ（I））. Single-crystal X-ray diffraction analysis reveals that 1 is the first two-dimensional noninterpenetrating （4, 4） net coordination polymer based on the 2-thiobarbituric acid. Coordination polymer 1 exhibits two luminescent emission spectra at 477 and 489 nm with the excitation peak at 273 nm.
A two-dimensional coordination polymer [Co（H2tba）2（DMF）2]n 1 （H2tba = 2-thiobarbituric acid anion, DMF = N,N-dimethylformamide） has been synthesized by CoCl2？6H2O with the 2-thiobarbituric acid ligands under solvothermal conditions. Compound 1 was further characterized by FTIR, elemental analysis, TGA and powder XRD techniques. Single-crystal X-ray diffraction studies revealed that the title compound crystallizes in the monoclinic space group Pbca with a = 12.5948（12）, b = 11.4269（11）, c = 14.8939（15） , V = 2143.5（4） ？3, Z = 4, Dc = 1.523 g·cm-3, F（000） = 1012, μ = 1.038 mm-1, R = 0.0358 and wR2 = 0.0888 （I 〉 2σ（I））. Single-crystal X-ray diffraction analysis reveals that 1 is the first two-dimensional noninterpenetrating （4, 4） net coordination polymer based on the 2-thiobarbituric acid. Coordination polymer 1 exhibits two luminescent emission spectra at 477 and 489 nm with the excitation peak at 273 nm.
基金
Financial support from the Fundamental Research Funds for the Central Universities(12D10525,13D110536,2232014D3-10)
the Open Project Program of Key Laboratory of Eco-Textiles,Ministry of Education,Donghua University
the Open Project Program of National Engineering Research Center for Dyeing and Finishing of Textiles,Donghua University
