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首页> 外文期刊>Inorganic Chemistry Communications >Ligand effect on the periodic propeties of trivalent organolanthanide complexes:a density functional study
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Ligand effect on the periodic propeties of trivalent organolanthanide complexes:a density functional study

机译:配体对三价有机镧系元素络合物周期特性的影响:密度泛函研究

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摘要

For the first time,density functional calculations on a series of organolanthanides of the type Cp_3Ln,Cp_2LnCl,Cp_2LnCl(THF) and CpLnCl_2(Ln-La,Ce,Eu,Gd,Yb an dLu;Cp=cyclopentadienyl,C_5H_5;THF=tetrahydrofuran,OC_4H_8),which showed a periodic trend and the influence of ligands on themolecular properties for a set of tailored lanthanide compelxes.The replacement of the ligands by another alters the bond lengths and has irregulr trends along the lanthanide series.The increaswe in the (Hirshfeld)charges on going form La to Lu indictes an increase in ionic character,which is in line with the chemical hardness and softness concept while Mulliken charges faled to describe the same.
机译:首次对一系列类型为Cp_3Ln,Cp_2LnCl,Cp_2LnCl(THF)和CpLnCl_2(Ln-La,Ce,Eu,Gd,Yb和dLu; Cp =环戊二烯基,C_5H_5; THF =四氢呋喃的镧系元素的密度泛函计算,OC_4H_8),这显示了一组定制的镧系元素共轭化合物的周期性趋势以及配体对分子性能的影响。配体的另一个替换改变了键长,并且沿镧系元素系列具有无规趋势。从La到Lu的Hirshfeld电荷指示离子性质的增加,这与化学硬度和柔软度的概念一致,而Mulliken电荷则无法描述。

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