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Articles by Fang Guo
Total Records ( 2 ) for Fang Guo
  Fang Guo , Na Lu , Jian Tong , Yu-Bo Luan and Wen-Sheng Guo
  A series of second-sphere coordination complexes of tribenzylamine (L1) and [MCl6] (M = Sn, Re, Te) have been synthesized and characterized by spectroscopic techniques (IR, NMR) and single-crystal X-ray diffraction. The main driving force for the encapsulation of [MCl6] and recognition with L1 is the second-sphere coordination of metal halides by the amide protons of the ligand via hydrogen bonding (N-H ··· Cl-M and C-H ··· Cl-M); new layered structures are described. Thermal stability and irreversible behavior of second-sphere coordination complexes [L2] · 0.5[TeCl6]2- · HCl · (H3O)+ · 0.5H2O (L2 = N,N,N’ ,N’ -tetrabenzyl-ethylenediamine) in contact with water vapor are also described.
  Fang Guo , Shuang Zhang , Hong-Yu Guan , Na Lu and Wen-Sheng Guo
  In this work, we have utilized the second-sphere coordination approach toward the construction of supramolecular inclusion solids Cl . 2H2O [H2L1]0.5 . [CuCl4]0.5 (Crystal 1) and Cl [H2L1] . [TeCl6]0.5 (Crystal 2). The chloride anions can be encapsulated inside the host assemblies formed by the diamine molecule (4,6−dimethyl−1,3−phenylene)bis(N,N−dibenzylmethane) (L1) and the metal complexes ([CuCl4]2− and [TeCl6]2−) via second−sphere coordination. The complexes have been structurally characterized by X−ray crystallography, indicating that weak C−H … Cl hydrogen−bonding synthons play a significant role in the construction of second−sphere coordination complexes. 2−D networks are formed in both complexes by the interconnection of 1−D networks through multiple C−H … Cl hydrogen−bonding interactions with [CuCl4]2− and [TeCl6]2−. The guest chlorides are encapsulated inside the host cages through N−H … Cl hydrogen bonds.
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