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Soft-donor dipicolinamide derivatives for selective actinide(<scp>iii</scp>)/lanthanide(<scp>iii</scp>) separation: the role of S- vs. O-donor sites
- Source :
- Chemical Communications. 55:2441-2444
- Publication Year :
- 2019
- Publisher :
- Royal Society of Chemistry (RSC), 2019.
-
Abstract
- Selectivity for An(iii) vs. Ln(iii) binding and extraction using dipicolinamide analogs containing the C[double bond, length as m-dash]O vs. C[double bond, length as m-dash]S groups was investigated in solution and the gas-phase, and by DFT calculations. The results show higher selectivity for complex formation and extraction for Am(iii) vs. Eu(iii) for the softer dithioamide vs. the diamide ligand, while in CH3CN the diamide binds more strongly than the thioamide to several Ln(iii), forming 1 : 1 complexes.
- Subjects :
- chemistry.chemical_classification
Lanthanide
Ligand
Complex formation
Extraction (chemistry)
Metals and Alloys
General Chemistry
Actinide
Medicinal chemistry
Catalysis
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
chemistry
Materials Chemistry
Ceramics and Composites
Selectivity
Thioamide
Subjects
Details
- ISSN :
- 1364548X and 13597345
- Volume :
- 55
- Database :
- OpenAIRE
- Journal :
- Chemical Communications
- Accession number :
- edsair.doi.dedup.....10e59d16b101ec26b10a38c06bd76cf8