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Updated: Jul 18, 2025
08:15
Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups
Published on: February 11, 2012
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Germanium(II) Dithiolene Complexes.
Phuong M Tran1, Yuzhong Wang1, Mitchell E Lahm1
1Department of Chemistry, Centre for Computational Chemistry, The University of Georgia, Athens, Georgia, 30602-2556, USA.
Chemistry (Weinheim an Der Bergstrasse, Germany)
|August 21, 2023
Summary
Researchers synthesized novel germanium(II) dithiolene complexes, including a bis-dithiolene germylene with a unique S-Ge-S bond. Their bonding was explored using experimental and theoretical approaches.
Area of Science:
- Organometallic Chemistry
- Inorganic Chemistry
- Materials Science
Background:
- Germanium(II) compounds are of interest due to their unique bonding capabilities.
- Dithiolene ligands offer versatile coordination chemistry with main group elements.
Purpose of the Study:
- To synthesize and characterize novel germanium(II) dithiolene complexes.
- To investigate the bonding nature of these complexes, particularly the S-Ge-S interaction.
Main Methods:
- Reaction of an imidazole-based dithiolate with germanium dichloride dioxane.
- Lewis base ligand exchange reactions.
- Controlled hydrolysis.
- Experimental and theoretical bonding investigations.
Main Results:
- Synthesis of a TMEDA-complexed dithiolene-based germylene (3).
- Conversion of 3 to monothiolate-complexed (5) and N-heterocyclic carbene-complexed (7) germanium(II) dithiolene complexes.
- Synthesis of a bis-dithiolene-based germylene (8) featuring a 3-center-4-electron S-Ge-S bond.
- Detailed investigation of the bonding in complexes 3, 5, and 8.
Conclusions:
- Novel germanium(II) dithiolene complexes with varying ligand environments were successfully synthesized.
- The formation of a 3-center-4-electron S-Ge-S bond in a bis-dithiolene germylene was achieved.
- The electronic structure and bonding characteristics of these germanium complexes were elucidated.
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