经过三步反应合成了红色晶体,双六甲基二硅胺基二甲基硅基环戊二烯基稀土二价镱配合物[η5-C5H4S iM e2N(S iM e3)2]2Yb(Ⅱ).2THF,X射线衍射结果表明,[η5-C5H4S iM e2N(S iM e3)2]2Yb(Ⅱ).2THF属于单斜晶系,空间群为P21/c,a=1.646 87(1...经过三步反应合成了红色晶体,双六甲基二硅胺基二甲基硅基环戊二烯基稀土二价镱配合物[η5-C5H4S iM e2N(S iM e3)2]2Yb(Ⅱ).2THF,X射线衍射结果表明,[η5-C5H4S iM e2N(S iM e3)2]2Yb(Ⅱ).2THF属于单斜晶系,空间群为P21/c,a=1.646 87(12)nm,b=0.907 70(6)nm,c=3.049 4(3)nm,β=93.642(4),°V=4.549 3(6)nm3,Z=2,C34H72N2O2S i6Yb,Mr=1 905.41,Dc=1.288 g/cm3,F(000)=1 840.00,μ(MoKα)=22.42 cm-1(λ=0.071 070 nm)。收集独立衍射点7 814个,将其中I>3.00σ(1)的用于结构解析,用全矩阵最小二乘法校正,得最终偏离因子R=0.039,Rw=0.050。8配位的中心镱原子与2个四氢呋喃的氧及2个环戊二烯基配位形成扭曲的四面体结构。展开更多
According to the reaction of [Fe (CO)2C5H5]2 with sodium amalgam (Na/Hg), the molecular structures of crystals and the IR data of L3SnFe (CO)2C5H5 (L=C6H11, C6H5),[ (C5Me5)2Ln (CO)2FeC5H5]2(Ln=Dy, Gd, Sm, Nd, Pr) comp...According to the reaction of [Fe (CO)2C5H5]2 with sodium amalgam (Na/Hg), the molecular structures of crystals and the IR data of L3SnFe (CO)2C5H5 (L=C6H11, C6H5),[ (C5Me5)2Ln (CO)2FeC5H5]2(Ln=Dy, Gd, Sm, Nd, Pr) complexes, the process of forma tion of (Na[Fe (CO)2C5H5]2)n, its structure changes and reaction regularities in the synthe ses of heteronuclear metal complexes were analyzed and discussed.展开更多
文摘According to the reaction of [Fe (CO)2C5H5]2 with sodium amalgam (Na/Hg), the molecular structures of crystals and the IR data of L3SnFe (CO)2C5H5 (L=C6H11, C6H5),[ (C5Me5)2Ln (CO)2FeC5H5]2(Ln=Dy, Gd, Sm, Nd, Pr) complexes, the process of forma tion of (Na[Fe (CO)2C5H5]2)n, its structure changes and reaction regularities in the synthe ses of heteronuclear metal complexes were analyzed and discussed.
