镍(Ⅱ)三元配合物的合成与晶体结构

Synthesis,Crystal Structure of a New Complex [Ni(pht)_2(ba)_2(H_2O)_2]

利用溶剂热法合成得到一种新的镍配合物[Ni(pht)2(ba)2(H2O)2],通过元素分析、红外光谱、热重分析和X射线单晶结构分析等对配合物进行了表征。该晶体属三斜晶系,空间群为P墿,晶胞参数:a=1.0063(2)nm,b=1.0472(2)nm,c=1.0711(2)nm,α=77.205(3)°,β=74.947(2)°,γ=73.181(2)°,V=1.0302(4)nm3,F(000)=426,Z=1,Dc=1.308Mg.m-3,μ=0.526mm-1,R1=0.0540,wR2=0.1174。配合物分子中每个Ni(Ⅱ)离子以N4O2的六配位形式位于变形的八面体构型中。

The title complex [ Ni （ pht） 2（ba）2H2O）2 ] （ Hpht ： 5,5-diphenylimidazoline-2,4-dione ; ba： Benzyl amine） was synthesized by solvothermal method and characterized by elemental analysis, IR, TG- DTA and X-ray single-crystal diffraction. The compound crystallizes in the triclinic system, space group Pi with a=1.0063（2） nm, b=1.0472（2） nm, c=1.0711（2） nm, α=77.205（3）°,β=74.947（2）°, T= 73.181（2）°, V=1.0302（4） nm^3, F（000） =426, Z=1, Dc =1.308 Mg . m^-3,μ=0.526 mm^-1, the final R1 = 0.0540 and wR2 = 0.1174. The Ni （Ⅱ） atom is located at the center of a distorted oetahedron of six coordinating atoms with two O atoms and four N atoms.