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Synthesis, Crystal Structure and Thermoanalysis of o-vanillin-ethylenediamine Schiff Base Copper( Ⅱ ) Complex
作者姓名:LIU De-xin  CUI Xue-gui  LI Shu-Ian  LI Xiao-yan and SUN Hong-jian (Department of Chemistry  Shandong University  Jinan  250100)
作者单位:Department of Chemistry,Shandong University,Jinan,250100
摘    要:The crystal structure of the title compound [Cu (o-vanillin-ethylenediamine) (H2O)] is described. The complex crystallizes in the orthorhombic system, space group Pbn21 with formula = CuC18H20N2O5, cell dimensions are: a = 0.7490(3) nm, b = 0.9256(2) nm, c=2. 4691(6) nm, V=1.712 nm3, Z = 4, Dc=l.51 g/cm3. The kinetics of thermal decomposition of the complex was studied under the non-isothermal condition by TG. Kinetic parameters were obtained from the analysis of the TG, DTG curves by integral and differential methods. By comparison of the kinetic parameters, the most probable mechanism function is f(α) = (3/2) (1-α)[-ln(1-α)]1/3, and the mathematical expression for the kinetic compensation effect is lnA = 0. 201E+0. 531.

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