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Self-Assembly of a Radially Functionalized Hexagonal Molecule: Hexakis(4-hydroxyphenyl)benzene
1Department of Chemistry and Tsukuba Advanced Research Alliance Center, University of Tsukuba, Tsukuba, Ibaraki 305-8571 (Japan).
Angewandte Chemie (International Ed. in English)
|December 22, 1999
Summary
Self-assembly of host 1 forms two distinct porous hydrogen-bonded networks. These networks exhibit different structures, creating channels or chambers for accommodating guest molecules like diethyl ether and dimethylformamide.
Area of Science:
- Supramolecular Chemistry
- Materials Science
- Crystallography
Background:
- Hydrogen-bonded networks are crucial in supramolecular chemistry.
- Controlling network topology is key for designing porous materials.
Purpose of the Study:
- To investigate the self-assembly of a radially substituted host molecule.
- To characterize the resulting porous hydrogen-bonded networks and their guest-accommodation properties.
Main Methods:
- Single-crystal X-ray diffraction to determine network structures.
- Analysis of hydrogen bonding interactions.
- Guest molecule inclusion studies.
Main Results:
- Two distinct porous hydrogen-bonded networks (Type A and Type B) were formed by host 1.
- Type A network: all OH groups involved, forming sheets with channels for diethyl ether.
- Type B network: four OH groups involved, with lateral sheet translation creating chambers for dimethylformamide.
Conclusions:
- The self-assembly of host 1 leads to predictable and distinct porous network architectures.
- The hydrogen bonding patterns dictate the network topology and guest inclusion capabilities.
- This work demonstrates the potential of host 1 for constructing functional porous materials.