机构地区: 中山大学化学与化学工程学院
出 处: 《物理化学学报》 1998年第8期725-730,共6页
摘 要: 膦巯混合配位钯化合物Pd(Hmp)2(PBu3^n)2(1)含有四平面构型的二价钯,Pd-S和Pd-P的键长分别为2.338(1)A和2.336(1)A,在过量的邻巯基苯酚存在下生成,如果膦过量,则生成以核配合物Pd2(Hmp)2(PBu3^n)2Cl2(2)。文中讨论了(1)和(2)的生成机理和Pd(Hmp)2(PMe3)2的量化计算结果。 The mxed phosphme thiolato palladium complex Pd(Hmp)_2(PBu_3~n)_2 (1) has thePd(Ⅱ) in a square planar (environment with Pd-S and Pd-P being 2.338(1)A and 2.336(1)A, respectively. It was obtained from the reaction of PbCl_2 with phosphing in the presence of an excessof mercaptophenol.In excess of phosphine, the product obtained will be the dinuclear complexPd_2 (Hmp )_2 (PBu_3~n )_2Cl_2 (2). The mechanism of formation of (1) and (2) aud the quantum chemicalcalculations on a simphfied model of (1) are also discussed.