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Russian Journal of Coordination Chemistry

, Volume 44, Issue 12, pp 806–811 | Cite as

Halide Anion Templated Synthesis and Structural Characterization of Rhombic Dodecahedron Silver-Alkynyl Cage Complexes

  • Z. N. Liang
  • X. M. Li
  • Z. Y. ZhangEmail author
  • Z. Y. Yu
  • R. Cao
Article
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Abstract

A series of silver alkynyl cages were synthesized using ligand 3,5-di-tert-butyl-phenylethynide and were structurally characterized. Reaction with [Ag(ArC≡C)]n polymer and (nBu4N)X (X = F, Cl, Br) gave compounds incorporating different halogen anions (F−, Cl−, Br−) and a hollow compound, namely [Ag14(ArC≡C)12(MeCN)6](OTf)2 · 4MeCN (I), [Ag14(ArC≡C)12(EtOH)2F]F · EtOH (II), [Ag14(ArC≡C)12(THF)2Cl]OH · THF (III) and [Ag14(ArC≡C)12(MeCN)4Br]OH (IV) (ArC≡C = 3,5-di-tert-butyl-phenylethynide). Direct synthesis of anion containing cages and indirect synthesis from the hollow cage were achieved. Structural studies (CCDC nos. 1831128 (I), 1831129 (II), 1831130 (III), and 1831131 (IV)) revealed that the incorporation of anions reduced the mean Ag−Ag bond length and therefore the cage size, giving the order of F@Ag14 ≈ Cl@Ag14 < Br@Ag14 < halogen-free. The cage size was larger than those of similar Ag14 clusters reported previously, which is likely due to the use of bulky alkynyl ligands.

Keywords:

silver(I) alkynyl ligands cage complexes template synthesis anions crystal structures 
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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • Z. N. Liang
    • 1
  • X. M. Li
    • 1
  • Z. Y. Zhang
    • 1
    Email author
  • Z. Y. Yu
    • 1
  • R. Cao
    • 1
    • 2
  1. 1.Department of Chemistry, Renmin University of ChinaBeijingP.R. China
  2. 2.School of Chemistry and Chemical Engineering, Shaanxi Normal UniversityXi’anP.R. China

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