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

被引：9
|
作者：
Ustynyuk, Yuri A. [1 ]
Zhokhova, Nelly I. [1 ]
Gloriozov, Igor P. [1 ]
Matveev, Petr I. [1 ]
Evsiunina, Mariia V. [1 ]
Lemport, Pavel S. [1 ]
Pozdeev, Anton S. [1 ]
Petrov, Vladimir G. [1 ]
Yatsenko, Alexandr V. [1 ]
Tafeenko, Viktor A. [1 ]
Nenajdenko, Valentine G. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia
来源：
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2022年 / 23卷 / 24期
关键词：
lanthanides; N; O-hybrid ligands; complex; DFT calculations; X-ray diffraction; SOLVENT-EXTRACTION; DONOR LIGANDS; ACTINIDES; SEPARATION; SYSTEMS;
D O I：
10.3390/ijms232415538
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
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 LLn(NO3)(3) and in the form of tight ion pairs {[LLn(NO3)(2) H2O](+) (NO3-).
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页数：12
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