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作者:

Zhang, Zongyao (Zhang, Zongyao.) | Yang, Yu (Yang, Yu.) | Sun, Huiyuan (Sun, Huiyuan.) | Cao, Rui (Cao, Rui.)

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EI Scopus SCIE

摘要:

Eight silver(I) coordination polymers were synthesized and structurally characterized. Direct reaction of various Ag(I) starting materials with a positively charged and flexible ligand, 1,3-di(2-picolyl)imidazolium (L) in different salts, including L-Cl, L-ClO4 and L-PF6, gave compounds [AgL(NO3)(2)] (1), [AgL(CH3CN)](BF4)(2) (2), [Ag2L2(NO3)(2)](NO3)Cl (3), [AgL(CH3CN)](PF6)(2)center dot 0.5CH(3)CN (4), [AgL(NO3)](PF6) (5), [AgL](NO3)(PF6) (6), [AgL(CH3CN)(2)](ClO4)(PF6)center dot CH3CN (7), and [AgL](ClO4)(2)center dot CH3CN (8). Structural analysis revealed that ligand L has three kinds of conformations in these structures. As benefited by the flexible feature of L, the silver chains in 1-8 are different and are depended on the shape and the size of counter anions. Anion exchange studies showed that crystals of 4, 6 and 8 had anion exchange properties, and the channel size in the corresponding solid state structures played a crucial role. These results highlighted the significance of positively charged and flexible ligand L in the construction of various silver chain structures with different conformations and thus packing diagrams for anion exchange studies. (C) 2015 Elsevier B.V. All rights reserved.

关键词:

Anion exchange Positively charged ligand Silver chains Flexible X-ray structure

作者机构:

  • [ 1 ] [Zhang, Zongyao]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China
  • [ 2 ] [Yang, Yu]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China
  • [ 3 ] [Sun, Huiyuan]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China
  • [ 4 ] [Cao, Rui]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China
  • [ 5 ] [Cao, Rui]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Cao, Rui]Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China

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来源 :

INORGANICA CHIMICA ACTA

ISSN: 0020-1693

年份: 2015

卷: 434

页码: 158-171

2 . 8 0 0

JCR@2022

ESI学科: CHEMISTRY;

ESI高被引阀值:253

JCR分区:2

中科院分区:3

被引次数:

WoS核心集被引频次: 12

SCOPUS被引频次: 14

ESI高被引论文在榜: 0 展开所有

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