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Synthesis of a Thiol Building Block for the Crystallization of a Semiconducting Gyroidal Metal-sulfur Framework
Published on: April 9, 2018
Solvent-soluble coordination polymer that reconstructs cyclic frameworks that trap a kinetically labile [Cu(CO3)2]2-
Tatsunari Inoue1, Katsunori Yamanishi, Mitsuru Kondo
1Department of Chemistry, Faculty of Science, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan.
Inorganic Chemistry
|April 19, 2013
Summary
Researchers synthesized a novel 2D coordination polymer using copper(II) ions and bis-imidazole ligands. This material transforms into unique pentanuclear complexes with cyclic frameworks upon recrystallization.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Crystallography
Background:
- Coordination polymers offer tunable structures and properties.
- Bis-imidazole ligands are versatile building blocks in supramolecular chemistry.
- Copper(II) complexes exhibit diverse coordination geometries and reactivity.
Purpose of the Study:
- To synthesize and characterize a new 2D coordination polymer containing Cu(II) ions.
- To investigate the structural transformation of the coordination polymer.
- To explore the formation of novel pentanuclear complexes with trapped carbonate units.
Main Methods:
- Solvothermal synthesis of the 2D coordination polymer.
- Recrystallization from various solvent mixtures (e.g., MeOH/Et2O, EtOH/Et2O).
- Single-crystal X-ray diffraction for structural analysis of the resulting complexes.
Main Results:
- A novel 2D coordination polymer featuring Cu(II), bis-imidazole ligands, and carbonate anions was successfully prepared.
- Recrystallization induced a structural conversion to pentanuclear complexes.
- These complexes possess cyclic frameworks that encapsulate a labile [Cu(CO3)2](2-) unit.
Conclusions:
- The study demonstrates the structural plasticity of coordination polymers.
- The transformation highlights a pathway to novel polynuclear metal complexes.
- The formation of cyclic frameworks with trapped labile units offers potential for further functionalization.
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