Reduction chemistry of neptunium cyclopentadienide complexes: from structure to understanding
作者:Michał S. Dutkiewicz、Christos Apostolidis、Olaf Walter、Polly L. Arnold
DOI:10.1039/c7sc00034k
日期:——
Neptuniumcomplexes in the formal oxidation states II, III, and IV supported by cyclopentadienyl ligands are explored, and significant differences between Np and U highlighted as a result. A series of neptunium(III) cyclopentadienyl (Cp) complexes [Np(Cp)3], its bis-acetonitrile adduct [Np(Cp)3(NCMe)2], and its KCp adduct K[Np(Cp)4] and [Np(Cp′)3] (Cp′ = C5H4SiMe3) have been made and characterised
研究了由环戊二烯基配体支撑的形式氧化态II,III和IV的ept络合物,结果突出了Np和U之间的显着差异。一系列of(III)环戊二烯基(Cp)配合物[Np(Cp)3 ],其双乙腈加合物[Np(Cp)3(NCMe)2 ]和KCp加合物K [Np(Cp)4 ]和[Np(Cp')3 ](Cp'= C 5 H 4 SiMe 3)的制备和表征提供了Np III Cp配合物的首次单晶X射线分析。在所有NpCp 3衍生物有在η3个Cp环5-围绕Np III中心进行协调;另外在[Np个(CP)3 ]和K [Np个(CP)4 ]一个Cp环建立μ-η 1 -interaction到相邻的NP(CP)的一个C原子3单元。K [Np(Cp)4 ]的固态结构在同一晶体中包含两种不同类型的金属-Cp配位几何结构时非常独特。NP III(CP)4个单位被发现表现出四个单元的η 5个在已知的复杂的配位的Cp环,例如[NP