Related Experiment Video
Updated: Apr 29, 2026

Synthesis of a Thiol Building Block for the Crystallization of a Semiconducting Gyroidal Metal-sulfur Framework
Published on: April 9, 2018
Ligand-coupling assembly of Re(I)-thiolate complexes
Biing-Chiau Tzeng1, An Chao, Manas Banik
1Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Rd, Min-Hsiung, Chiayi 62102, Taiwan. chebct@ccu.edu.tw.
This study synthesized novel rhenium(I) complexes using solvothermal reactions. Reaction conditions like temperature and solvent influenced the in situ ligand formation and complex structures.
Area of Science:
- Organometallic Chemistry
- Coordination Chemistry
- Materials Science
Background:
- Rhenium complexes are valuable in catalysis and materials science.
- Solvothermal synthesis offers control over complex formation.
- In situ ligand modification is key to tuning complex properties.
Purpose of the Study:
- To synthesize and structurally characterize new rhenium(I) complexes.
- To investigate the influence of reaction conditions on ligand formation.
- To compare the reactivity of 2-mercaptobenzothiazole (HNS2) and 2-mercaptobenzoxazole (HNOS).
Main Methods:
- Solvothermal reactions of Re2(CO)10 with HNS2 or HNOS.
- X-ray diffraction for structural characterization.
- Systematic variation of reaction solvents and temperatures.
Main Results:
- Synthesis of four rhenium(I) complexes (1-4) with in situ ligands.
- Reaction temperature and solvent significantly affected ligand formation in the HNS2 system.
- Complexes 2 and 4, derived from HNS2 and HNOS respectively, showed anti and syn conformations.
Conclusions:
- Reaction conditions are critical for controlling ligand synthesis and complex structures.
- HNS2 and HNOS exhibit distinct reactivity patterns under solvothermal conditions.
- The study provides insights into the formation of dinuclear rhenium complexes with varied conformations.
Related Concept Videos
Assembly of Signaling Complexes
Interaction domains in cell signaling
Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
Preparation and Reactions of Thiols
Metal-Ligand Bonds
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
Complexation Equilibria: The Chelate Effect
Formation of Complex Ions
Structural Isomerism
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly,...

