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Citation: XU Jing-Yao, ZHANG Lei, HU Jin-Song, SHAO Xue-Man, PAN Cheng-Ling. Two Divalent Ytterbium Complexes with Diamido Ligands [K2(L)(THF)2](L=[Ph2Si(NAr)2]2-, Ar=2,6-iPr2C6H3)[J]. Chinese Journal of Inorganic Chemistry, ;2015, 31(7): 1433-1438. doi: 10.11862/CJIC.2015.203 shu

Two Divalent Ytterbium Complexes with Diamido Ligands [K2(L)(THF)2](L=[Ph2Si(NAr)2]2-, Ar=2,6-iPr2C6H3)

  • 1.

    1 Laboratory of Multiscale Materials and Molecular Catalysis, School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China;

  • 2.

    2 State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China

  • Corresponding author: HU Jin-Song,  PAN Cheng-Ling, 
  • Received Date: 17 March 2015
    Available Online: 6 June 2015

    Fund Project: 国家自然科学基金(No.21201006) (No.21201006) 南京大学配位化学国家重点实验室开放基金, 高等学校博士点基金(No.26920123415120002) (No.26920123415120002)

  • The reaction of diamido ligand [K2(L)(THF)2] (1) (L=[Ph2Si(NAr)2]2-, Ar=2,6-iPr2C6H3) with YbI2(THF)2 afforded two complexes [Yb(L)(THF)3] (2) and {Yb(L)2[K(THF)2]2} (3), which were characterized by X-ray structure analysis, NMR and elemental analysis. The coordination geometry of complex 2 is five-coordinated, and Yb metal center is coordinated by one amido ligand and three THF molecules. Complex 3 adopts a four-coordinated, nearly planar geometry around the Yb(Ⅱ) center. Two potassium ion is sandwiched between two phenyl rings via cation-arene π-interactions, which helps to stabilize the metal center.
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