Ni[S_2P(OCH_2CH_2Ph)_2]_2与4-甲基吡啶加合反应及加合物的结构表征

Study on Adductive Reaction of Ni[S_2P(OCH_2CH_2Ph)_2]_2 with 4-Methylpyridine and the Structural Characterization of Adduct

采用紫外光谱法研究了Ni[S2P(OCH2CH2Ph)2]2与4-甲基吡啶的加合反应,测定了反应的平衡常数:β1=39.5(R1=1)和β2=2.20×104(R2=0.9981)。用元素分析、红外光谱、单晶X-射线衍射法对合成的加合物Ni[S2P(OCH2CH2Ph)2]2.(4-MePy)2进行了结构表征。加合物为单斜晶系,空间群P21/c,晶胞参数:a=1.2920(4)nm,b=1.7498(4)nm,c=1.0979(3)nm,α=90.00°,β=113.05(3)°,γ=90.00°。

The adductive reaction ofNi[S2P（OCH2CH2Ph）2]2 with 4-methylpyridine had been studied by spectrographic method. The equilibrium constants of the reaction were found to be β1=39.5（R1=1） and β2=2.20×10^4（R2=0.9981）, respectively. The adduct Ni[S2P（OCH2CH2Ph）2]2.（4-MePy）2 had been characterized by elemental analysis, IR spectra, single-crystal X-ray diffraction method. The results indicated that the crystal structure belongs to monoclinic system, space group P21/e with the following crystallographic parameters ： a=1.2920（4）nm,b=1.7498（4）nm,c=1.0979（3）nm,α=90.00°,β=113.05（3）°,γ=90.00°.