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How to Make Weak Noncovalent Interactions Stronger.

Jiang-Fei Xu1, Linghui Chen1, Xi Zhang2

  • 1The Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084 (P. R. China).

Chemistry (Weinheim an Der Bergstrasse, Germany)
|June 30, 2015
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Summary

Chemists can strengthen weak noncovalent interactions to build large, stable molecular assemblies. Strategies like preorganization and synergistic binding enhance molecular construction for advanced supramolecular materials.

Keywords:
binding constantshost-guest systemsnoncovalent interactionsself-assemblysupramolecular chemistry

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Area of Science:

  • Supramolecular Chemistry
  • Materials Science

Background:

  • Noncovalent interactions are fundamental to constructing molecular aggregates with defined structures and properties.
  • Fabricating stable and large molecular assemblies requires noncovalent interactions with significant binding strength.

Purpose of the Study:

  • To summarize strategies for modifying building blocks to enhance weak noncovalent interactions.
  • To provide guidance on constructing stable molecular assemblies and supramolecular materials.

Main Methods:

  • Discusses strategies including preorganization of binding sites, spatial confinement effects, multivalent enhancement, and synergistic binding.
  • Presents examples of supramolecular architectures fabricated using these strategies.

Main Results:

  • Identifies key strategies to increase the binding strength of noncovalent interactions.
  • Demonstrates the successful application of these strategies in creating complex supramolecular structures.

Conclusions:

  • Optimizing building block structures is crucial for achieving strong noncovalent interactions.
  • The discussed strategies offer a roadmap for the rational design and fabrication of advanced supramolecular materials.