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Updated: May 22, 2026

Synthesis of a Thiol Building Block for the Crystallization of a Semiconducting Gyroidal Metal-sulfur Framework
Published on: April 9, 2018
Group 12 metal zwitterionic thiolate compounds: preparation and structural characterization
Xiao-Yan Tang1, Rong-Xin Yuan, Jin-Xiang Chen
1Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Suzhou University, Suzhou 215123, P.R. China.
This study synthesized novel tetranuclear, mononuclear, and dinuclear metal-organic compounds using 4-(trimethylammonio)benzenethiolate ligands with group 12 metals. The research provides insights into the structural diversity and coordination chemistry of these metal-organic frameworks (MOFs).
Area of Science:
- Coordination Chemistry
- Materials Science
- Supramolecular Chemistry
Background:
- Metal-organic thiolates (MOTs) are versatile building blocks in coordination chemistry.
- Understanding the self-assembly and structural diversity of MOTs is crucial for designing new materials.
- Group 12 metals (Zn, Cd, Hg) offer unique coordination preferences that influence MOT structures.
Purpose of the Study:
- To synthesize and characterize novel tetranuclear, mononuclear, and dinuclear compounds of group 12 metals.
- To explore the structural diversity arising from reactions with 4-(trimethylammonio)benzenethiolate (Tab) ligands.
- To investigate the coordination modes and self-assembly behavior of Tab ligands with Zn, Cd, and Hg ions.
Main Methods:
- Synthesis of metal-organic compounds via reactions of metal salts (M(OAc)2, MCl2) with TabHPF6.
- Characterization using elemental analysis, IR, UV-Vis spectroscopy, and 1H NMR.
- Single-crystal X-ray crystallography for detailed structural elucidation of the synthesized compounds.
Main Results:
- Formation of tetranuclear adamantane-like cages [M4(μ-Tab)6(Tab)4](PF6)8 with Zn and Cd.
- Synthesis of mononuclear compounds [M(Tab)4](PF6)2 with Zn, Cd, and Hg.
- Construction of dinuclear compounds [M(μ-Tab)(Tab)2]2(PF6)4 with Zn and Hg, and a 1D cationic chain with Cd.
Conclusions:
- The study demonstrates the ability of Tab ligands to form diverse multinuclear structures with group 12 metals.
- Structural outcomes are dependent on metal ion, counterion, and reaction stoichiometry.
- The findings offer valuable insights for the rational design and interpretation of metal-thiolate structures.
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