摘要
X射线单晶结构分析结果表明,标题化合物晶体—ZnVAL C_(28)H_(30)N_4O_4SZn属正交晶系,空间群P2_12_12_1,a=0.9259(2),b=1.4409(4),c=2.1046(8)nm,Z=4,最终因子R_w=0.080.利用热重分析对配合物第一步热分解过程进行了非等温动力学研究,探讨了反应的可能机理,得到了其相应的动力学参数,非等温动力学方程为:da/dt=A·e^(-E/RT)3/2(1-α)^(4/3)[1/(1-α)^(1/3)-1]^(-1)
The crystal of o-vanillin L-methionme dipyridine Zinc(Ⅱ)-ZnVAL C28H30N4O4SZn was synthesized and its structure was determined by single crystal X-ray diffraction method. The complex is orthorhombic system, space group P212121 with a = 0.9259(2), b = 1.4409(4), c = 2.1046(8)nm, Z = 4, final Rw = 0.080 for 1378 unique reflections I>3σ(I). The kinetics of thermal decomposition reaction of the complex was studied under a non-isothermal condition by TG. The kinetic parameters were obtained from the analysis of TG, DTG curves by integral and differential methods. The kinetic equation of thermal decomposition reaction are:
出处
《化学学报》
SCIE
CAS
CSCD
北大核心
1995年第4期343-348,共6页
Acta Chimica Sinica
