Competing Routes in the Extraction of Lanthanide Nitrates by 1,10-Phenanthroline-2,9-diamides: An Impact of Structure of Complexes on the Extraction

The fact of the fracture of the extraction curve of lanthanides by 1,10-phenanthroline-2,9-diamides is explained in terms of the structure of complexes, solvent extraction data and quantum chemical calculations. The solvent extraction proceeds in two competing directions: in the form of neutral comp...

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Bibliographic Details
Published in:International journal of molecular sciences 2022-12, Vol.23 (24), p.15538
Main Authors: Ustynyuk, Yuri A, Zhokhova, Nelly I, Gloriozov, Igor P, Matveev, Petr I, Evsiunina, Mariia V, Lemport, Pavel S, Pozdeev, Anton S, Petrov, Vladimir G, Yatsenko, Alexandr V, Tafeenko, Viktor A, Nenajdenko, Valentine G
Format: Article
Language:English
Subjects:
Acids
complex
DFT calculations
Diamide
Equilibrium
Ion pairs
Lanthanides
Lanthanoid Series Elements - chemistry
Ligands
Models, Molecular
N,O-hybrid ligands
Nitrates
Solvent extraction
Solvents
X-ray diffraction
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Summary:The fact of the fracture of the extraction curve of lanthanides by 1,10-phenanthroline-2,9-diamides is explained in terms of the structure of complexes, solvent extraction data and quantum chemical calculations. The solvent extraction proceeds in two competing directions: in the form of neutral complexes Ln(NO ) and in the form of tight ion pairs {[ Ln(NO ) H O] (NO ).
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms232415538