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Polymeric double-anion templated Er48 nanotubes.

Mingyan Wu1, Feilong Jiang, Daqiang Yuan

  • 1State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. hmc@fjirsm.ac.cn.

Chemical Communications (Cambridge, England)
|December 11, 2013
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Summary

Researchers synthesized a polymeric tube-like complex using erbium (Er). Different anions, chloride (Cl-) and nitrate (NO3-), directed the formation of distinct erbium ring structures via hydrogen bonding.

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Area of Science:

  • Coordination Chemistry
  • Supramolecular Chemistry
  • Materials Science

Background:

  • Polymeric coordination complexes offer tunable properties for advanced applications.
  • Template-directed synthesis is crucial for constructing complex molecular architectures.
  • Lanthanide-based materials are of interest due to their unique magnetic and optical properties.

Purpose of the Study:

  • To synthesize and structurally characterize a novel polymeric tube-like erbium (Er) complex.
  • To investigate the templating effect of different anions on the self-assembly of erbium ions.
  • To explore the formation of discrete ring structures within a polymeric framework.

Main Methods:

  • Polymeric tube-like Er48 complex synthesis.
  • Single-crystal X-ray diffraction for structural characterization.
  • Hydrogen bonding analysis to understand anion templating effects.

Main Results:

  • Successful synthesis of a polymeric tube-like Er48 complex.
  • Chloride (Cl-) anions templated the formation of Er18 wheel structures.
  • Nitrate (NO3-) anions templated the formation of Er12 ring structures.
  • Both structures were stabilized by hydrogen bonding interactions.

Conclusions:

  • Anion choice critically dictates the self-assembly pathway of erbium ions in this system.
  • Hydrogen bonding plays a key role in templating discrete ring formation within the polymeric matrix.
  • This work demonstrates a method for controlling lanthanide-based supramolecular architectures.