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Related Experiment Videos

Coordination assemblies from a Pd(II)-cornered square complex.

Makoto Fujita1, Masahide Tominaga, Akiko Hori

  • 1Department of Applied Chemistry, School of Engineering, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.

Accounts of Chemical Research
|April 20, 2005
PubMed
Summary
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Ethylenediamine palladium(II) complexes are versatile building blocks for creating diverse molecular architectures. This review highlights 15 years of research on Pd(II)-cornered units, leading to complex structures like cages and spheres.

Area of Science:

  • Coordination Chemistry
  • Supramolecular Chemistry
  • Materials Science

Background:

  • The palladium(II) complex with ethylenediamine (enPd(II)2+) is a key component in molecular self-assembly.
  • The characteristic 90-degree coordination angle of Pd(II) is crucial for designing specific molecular structures.

Purpose of the Study:

  • To review 15 years of research utilizing the Pd(II)-cornered unit in molecular self-assembly.
  • To showcase the versatility of this building block in creating diverse supramolecular architectures.

Main Methods:

  • Molecular self-assembly driven by the coordination geometry of Pd(II) complexes.
  • Design and synthesis of discrete two- and three-dimensional supramolecular structures.

Main Results:

Related Experiment Videos

  • Demonstrated the spontaneous formation of a Pd4 square metal complex.
  • Developed a range of architectures including cages, bowls, boxes, tubes, catenanes, and spheres.
  • Highlighted the predictability and control offered by the Pd(II)-cornered unit.

Conclusions:

  • The enPd(II)2+ unit is a highly effective and versatile building block for constructing complex molecular architectures.
  • The 90-degree coordination angle facilitates the rational design of predictable supramolecular structures.
  • This work provides a comprehensive overview of the potential of Pd(II)-based molecular self-assembly.