Structural Insight into Complexation Ability and Coordination of Uranyl Nitrate by 1,10-Phenanthroline-2,9-diamides

被引：20

作者：

Gutorova, S., V ^{[1
]}

Matveev, P., I ^{[1
]}

Lemport, P. S. ^{[1
]}

Trigub, A. L. ^{[1
,2
]}

Pozdeev, A. S. ^{[1
]}

Yatsenko, A., V ^{[1
]}

Tarasevich, B. N. ^{[1
]}

Konopkina, E. A. ^{[1
]}

Khult, E. K. ^{[3
]}

Roznyatovsky, V. A. ^{[1
]}

Nelyubina, Yu, V ^{[4
]}

Isakovskaya, K. L. ^{[5
]}

Khrustalev, V. N. ^{[6
]}

Petrov, V. S. ^{[1
]}

Aldoshin, A. S. ^{[1
]}

Ustynyuk, Yu A. ^{[1
]}

Petrov, V. G. ^{[1
]}

Kalmykov, S. N. ^{[1
]}

Nenajdenko, V. G. ^{[1
]}

机构：

[1] Lomonosov Moscow State Univ, Dept Chem, Moscow 119991, Russia

[2] Natl Res Ctr, Kurchatov Inst, Moscow 123098, Russia

[3] Lomonosov Moscow State Univ, Dept Mat Sci, Moscow 119991, Russia

[4] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, Moscow 119334, Russia

[5] DI Mendeleev Univ Chem Technol Russia, Moscow 125047, Russia

[6] RUDN Univ, Peoples Friendship Univ Russia, Dept Inorgan Chem, Moscow 117198, Russia

来源：

INORGANIC CHEMISTRY | 2022年 / 61卷 / 01期

基金：

俄罗斯科学基金会;

关键词：

SOLVENT-EXTRACTION; CRYSTAL-STRUCTURE; SEPARATION; ACTINIDES; LIGANDS; PHENANTHROLINE; SUBSTITUENTS; CHEMISTRY; ELEMENTS; SCIENCE;

D O I：

10.1021/acs.inorgchem.1c02982

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reprocessing of spent nuclear fuel (SNF) is an important task in a frame of ecology and rational use of natural resources. Uranium, as the main component of SNF (>95%), can be recovered for further use as fresh nuclear fuel. To minimize an amount of solid radioactive waste generated during SNF reprocessing, new extractants are under investigation. Diamides of 1,10-phenanthroline-2,9-dicarboxylic acid are perspective tetradentate N-donor ligands that form strong complexes with f-elements, which are soluble in polar organic solvents. As an example of three ligands of this class, we conducted a comparative study and showed how the substituent in the amide functional group affects the extraction ability toward uranyl nitrate from nitric acid media. We have performed a careful study (NMR, FT-IR, XRD, RMC-EXAFS) of the structures of synthesized complexes of new ligands with uranyl nitrate and used quantum mechanical calculations to explain the discovered regularities through.

引用

页码：384 / 398

页数：15

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