配合物Co(2-mpac)_2(H_2O)_2的晶体结构与热稳定性

Crystal structure and thermal stability of complex Co(2-mpac)_2(H_2O)_2

以2-甲基-5-羧基吡嗪为配体合成了标题化合物,并利用元素分析、红外光谱、单晶X-射线衍射以及热重分析对配合物进行了表征。晶体学数据:三斜晶系,P-1空间群,a=5.106 8(7),b=6.372 5(8),c=12.290 0(16),α=103.574 0(10)°,β=91.057(2)°,γ=108.309(2)°,V=367.26(8)3,Z=1,S=1.047,最终残差因子(I>2σ(I))R1=0.036 8,wR2=0.090 6,对于全部数据R1=0.039 3,wR2=0.092 7。

The title compound with 2-mpac used as the ligand was prepared from aqueous solution and characterized by elemental analysis,IR,single crystal X-ray diffraction,and thermogravimetric analysis.Crystal data of the complex are as follows：triclinic system,space group P-1,a=5.106 8（7）A,b=6.372 5（8）A,c=12.290 0（16）A,α=103.574 0（10）°,β=91.057（2）°,γ=108.309（2）°,V=367.26（8）A^3,Z=1,S=1.047,final R indices（I〉2σ（I））R1=0.036 8,wR2=0.090 6,and for all reflections：R1=0.039 3,wR2=0.092 7.