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Published on: October 6, 2023
Structural variations in metal complexes of a tertiary α-hydroxyoxime
Daniel D'Alessio1, Daniel M Lombardo, Jamila G Vaughan
1Department of Chemistry, Curtin University, GPO Box U1987, Perth, Western Australia 6845, Australia. m.ogden@curtin.edu.au.
This study explores hydroxyoxime ligands in metal extraction, revealing diverse coordination structures. These findings are crucial for developing effective synergistic metal extraction systems.
Area of Science:
- Coordination Chemistry
- Extraction Science
Background:
- Hydroxyoximes are of long-standing interest as metal ion extractants.
- Information on their coordination modes, especially with co-ligands in synergistic systems, is limited.
Purpose of the Study:
- To investigate the coordination chemistry of (1-hydroxycyclohexyl)-phenyl ketone oxime.
- To understand the structural diversity of metal complexes formed with this ligand and co-ligands.
Main Methods:
- Synthesis and structural characterization of metal complexes.
- Investigation of complexes with manganese, cobalt, nickel, copper, and zinc.
Main Results:
- The ligand supports mononuclear to trinuclear complexes.
- Anionic and neutral co-ligands were observed in some complexes.
- Demonstrated structural diversity in the solid state.
Conclusions:
- The ligand exhibits versatile coordination behavior.
- These structures provide insight into potential species in synergistic extraction solutions.
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