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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >The uranium-nitrogen bond in U(IV)complexes supported by the hydrotris(3,5-dimethylpyrazolyl)borate ligand
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The uranium-nitrogen bond in U(IV)complexes supported by the hydrotris(3,5-dimethylpyrazolyl)borate ligand

机译:氢三(3,5-二甲基吡唑基)硼酸酯配体支持的U(IV)络合物中的铀-氮键

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摘要

Insertion of benzonitrile and acetonitrile into the U-C bond of [U(Tp~(Me2))Cl_2(CH_2SiMe_3)](Tp~(Me2)= HB(3,5-Me_2pz)_3)gives the ketimide complexes [U(Tp~(Me2))Cl_2{NC(R)(CH_2SiMe_3)}](R = Ph(1);Me(2)).The identity of complex 1 was ascertained by a single-crystal X-ray diffraction study.In the solid state 1 exhibits octahedral geometry with a short U-N bond length to the ketimide ligand.We also report herein the synthesis and the X-ray crystal structures of the uranium amide complexes [U(Tp~(Me2))Cl_2(NR_2)](R = Et(3);Ph(4)).A detailed comparison of the U-N bond lengths in these compounds with other known U-N(and Th-N)distances in amide and ketimide actinide(IV)complexes is performed,confirming the short character of the U-N bond length in 1.
机译:将苯甲腈和乙腈插入[U(Tp〜(Me2))Cl_2(CH_2SiMe_3)](Tp〜(Me2)= HB(3,5-Me_2pz)_3)的UC键中得到酮亚胺化合物[U(Tp〜 (Me2))Cl_2 {NC(R)(CH_2SiMe_3)}](R = Ph(1); Me(2))。配合物1的身份通过单晶X射线衍射研究确定。态1表现出八面体的几何形状,与酮亚胺配体的UN键长度短。我们还在本文中报道了铀酰胺配合物[U(Tp〜(Me2))Cl_2(NR_2)](R的合成和X射线晶体结构= Et(3); Ph(4))。对这些化合物中的UN键长与酰胺和酮亚胺act系(IV)络合物中其他已知的UN(和Th-N)距离进行了详细比较,确认了其短特征联合国债券长度的1。

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