Li[CH2)(CH2PPh2] gave the unexpected anionic homoleptic tetra-coordinate lanthanide-amide ate complex, [Li(C4H8O)4][Ln(NPh2)4] (4, Er; 5, Yb). All of these complexes have been characterized by analytical and spectroscopic methods. The structures of 1 and 4 hav been established by X-ray diffraction.
摘要
四氢呋喃中的Li(
CH2)( )PPh2]与一当量的η5-C5H4But)2LnCl·LiCl(Ln = Sm,Yb)相互作用产生了阴离子
镧系元素配合物Me2PPh2(η5-C5H4Cl](1,Sm)或中性
镧系元素-叶立德络合物[(η5-C 5 N 4 Bu t)2 Ln(Cl)CH 2 Ph 2](3,Yb)在
四氢呋喃中的LnCl3(Ln = Er,Yb)与两个当量的NaNPh2,然后再当量的Li [ )( PPh2),得到了出乎意料的阴离子均质四配位
镧系元素酰胺络合物[Li(
C4H8O)4] [Ln(NPh2)4](4,Er; 5, Yb)。所有这些配合物均已通过分析和光谱学方法进行了表征,通过X射线衍射确定了1和4的结构。