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Takamuku T, Ogawa A, Tsutsui S, Sadakane K, Iwase H, Mayumi K, Ozutsumi K. Effects of Heterogeneous Mixing of Imidazolium-Based Ionic Liquids with Alcohols on Complex Formation of Ni(II) Ion. J Phys Chem B 2024; 128:8567-8577. [PMID: 39189345 DOI: 10.1021/acs.jpcb.4c04490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/28/2024]
Abstract
Understanding the complex formation of metal ions in room-temperature ionic liquids (ILs) is essential for the application of ILs in solvent extraction. Nevertheless, the research on metal complex formation in ILs lags behind other applications. The complex formation equilibria may be influenced by specific interactions among the metal ion, ligand molecule, and IL cation and anion. In the present investigation, the complex formation of Ni2+ with ethanol (EtOH) and methanol (MeOH) molecules in ILs, 1-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide ([CNmim][TFSA], where N represents the alkyl chain lengths of 2 and 8) was discussed in terms of the microscopic interactions among alcohol molecules, [CNmim]+ and [TFSA]-, and the mesoscopic mixing states of alcohols in [CNmim][TFSA], with N = 2-12. The microscopic interaction of alcohol molecules with the imidazolium ring H atoms in the ILs was evaluated by using ATR-IR and 1H and 13C NMR spectroscopies. The self-hydrogen bonding of alcohol molecules was clarified from the O-H stretching vibration of alcohol molecules. MeOH molecules can be more strongly hydrogen-bonded with themselves than EtOH molecules due to the less steric hindrance and the weaker dispersion force of MeOH with the IL cation's alkyl chain. In fact, small-angle neutron scattering (SANS) experiments revealed the more heterogeneous mixing of MeOH with the ILs by the self-hydrogen bonding among MeOH molecules than EtOH. The longer the IL cation's alkyl chain, the more the MeOH clusters significantly form. In contrast, the formation of EtOH clusters becomes weaker with elongating the alkyl chain. Ultraviolet (UV)-visible spectroscopic measurements on Ni2+-[CNmim][TFSA]-alcohol solutions with N = 2 and 8 revealed that di-, tetra-, and hexa-alcohol-Ni2+ complexes are formed in both the ILs. With N = 2, the stabilities of Ni2+-EtOH and Ni2+-MeOH complexes are comparable in the IL. However, with N = 8, the complexes are more stable in the EtOH solutions than in the MeOH solutions. This is because the less heterogeneous mixing of EtOH molecules with the IL results in the larger enthalpic contribution in the complex formation, as shown by the thermodynamic parameters estimated by the van't Hoff plots on the stability constants at several temperatures.
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Affiliation(s)
- Toshiyuki Takamuku
- Department of Chemistry and Applied Chemistry, Faculty of Science and Engineering, Saga University, Honjo-machi, Saga 840-8502, Japan
| | - Akira Ogawa
- Department of Chemistry and Applied Chemistry, Graduate School of Science and Engineering, Saga University, Honjo-machi, Saga 840-8502, Japan
| | - Sou Tsutsui
- Functional Biomolecular Science, Graduate School of Advanced Health Sciences, Saga University, Honjo-machi, Saga 840-8502, Japan
| | - Koichiro Sadakane
- Faculty of Life and Medical Sciences, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0394, Japan
| | - Hiroki Iwase
- Comprehensive Research Organization for Science and Society (CROSS), 162-1 Shirakata, Tokai, Ibaraki 319-1106, Japan
| | - Koichi Mayumi
- The Institute for Solid State Physics, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581, Japan
| | - Kazuhiko Ozutsumi
- Department of Applied Chemistry, Ritsumeikan University, Kusatsu 525-8577, Japan
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2
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Co2+, Ni2+ and Cu2+ Complexes with Phosphorylated Derivatives of Cyclen and Diaza-18-Crown-6: Effect of Anion on the Structure of Complexes and Their Stability in Solution. Inorganica Chim Acta 2023. [DOI: 10.1016/j.ica.2023.121410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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3
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Ivanova IS, Tsebrikova GS, Ilyukhin AB, Pyatova EN, Solov’ev VP, Baulin VE, Tsivadze AY. Complexing and Ion-Selective Properties of Some Phosphoryl Podands towards Cadmium Cation. RUSS J INORG CHEM+ 2022. [DOI: 10.1134/s0036023622800014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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4
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Optically “silent” neptunium(V)-nitrate complex in ionic liquid. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.02.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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5
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Yao A, Xiong X, Kang M, Guo Y, Chen C, Chu T. Direct dissolution of UO 2 in carboxyl-functionalized ionic liquids in the presence or absence of Fe-containing ionic liquids. Dalton Trans 2020; 49:14881-14890. [PMID: 33074270 DOI: 10.1039/d0dt02740e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dissolution of UO2 is a prerequisite for the reprocessing of spent nuclear fuel. This study showed that UO2 could be directly dissolved in a single carboxyl-functionalized ionic liquid (IL), [HOOCMmim][Tf2N] 1-carboxymethyl-3-methylimidazolium bistriflimide, or [HOOCEtmim][Tf2N] 1-carboxyethyl-3-methylimidazolium bistriflimide. The addition of an extra Fe-containing IL, [Emim][FeCl4] (Emim, 1-ethyl-3-methylimidazolium) or [Bmim][FeCl4] (Bmim, 1-butyl-3-methylimidazolium) could significantly improve the dissolution kinetics. Results demonstrated that the dissolution process in the early stage could be described by using the pseudo first-order rate law. The apparent activation energy for UO2 dissolution in the mixture of the Fe-containing IL and carboxyl-functionalized IL was calculated to be ∼67 kJ mol-1, implying that the reaction was mainly controlled by a chemical process. Nevertheless, the influence of the diffusion process is non-negligible since the IL has a relatively high viscosity that can retard the diffusion of the formed uranyl species from the UO2 surface. Spectroscopic studies and density functional theory calculations indicated that the uranyl ion coordinated with carboxylate groups is the predominant product for UO2 dissolution in the single carboxyl-functionalized IL, while uranyl chloride complexes would also form in the mixed ILs. The dissolved uranyl species can be successfully recovered from the ILs by extraction. The success of UO2 dissolution in the carboxyl-functionalized IL with or without the Fe-containing IL indicates that the Fe-containing IL and oxygen can serve as an effective catalyst and oxidant for the dissolution of UO2, respectively.
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Affiliation(s)
- Aining Yao
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, 519082 Zhuhai, China.
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6
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Effect of the [2-(diphenylphosphorylmethoxy)phenyl]diphenylphosphine oxide derivative structures on the extraction and ion-selective properties toward rare-earth elements. Russ Chem Bull 2020. [DOI: 10.1007/s11172-020-2907-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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7
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Importance of weak interactions in the formulation of organic phases for efficient liquid/liquid extraction of metals. Curr Opin Colloid Interface Sci 2020. [DOI: 10.1016/j.cocis.2020.03.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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8
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Ivanova IS, Ilyukhin AB, Tsebrikova GS, Polyakova IN, Pyatova EN, Solov'ev VP, Baulin VE, Yu. Tsivadze A. 2,4,6-Tris[2-(diphenylphosphoryl)-4-ethylphenoxy]-1,3,5-triazine: A new ligand for lithium binding. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.119095] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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9
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Meshkov AN, Gamov GA. KEV: A free software for calculating the equilibrium composition and determining the equilibrium constants using UV-Vis and potentiometric data. Talanta 2019; 198:200-205. [PMID: 30876550 DOI: 10.1016/j.talanta.2019.01.107] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/28/2019] [Accepted: 01/30/2019] [Indexed: 01/19/2023]
Abstract
Present paper reports on an algorithm for calculating the equilibrium composition of several compounds mixture if their total (equilibrium) concentrations and the equilibrium constants of reactions between them are known. The algorithm for determining the unknown equilibrium constants from UV-Vis or potentiometric experimental data using minimizing function (maximal likelihood method) is described. The recommendations on the evaluating of equilibrium constants from experimental results are given. The algorithms described are realized as free-of-charge distributed software/scripts bundle/source code.
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Affiliation(s)
- A N Meshkov
- Dentsu Aegis Network Russia, Presnenskaya nab. 6/2, 123317 Moscow, Russia.
| | - G A Gamov
- Research Institute of Thermodynamics and Kinetics of Chemical Processes, Ivanovo State University of Chemistry and Technology, Sheremetevskii pr. 10, 153000 Ivanovo, Russia.
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10
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Gujar RB, Verma PK, Ansari SA, Mohapatra PK. Complexation of 2-thenoyltrifluoroacetone (HTTA) with trivalent f-cations in an ionic liquid: solvent extraction and spectroscopy studies. NEW J CHEM 2019. [DOI: 10.1039/c9nj03177d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
HTTA forms M(TTA)2+, M(TTA)2+, M(TTA)3° and M(TTA)4− complexes with lanthanides. Complexation is strongly favoured when the salt of TTA− is used.
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Affiliation(s)
- Rajesh B. Gujar
- Radiochemistry Division
- Bhabha Atomic Research Centre
- Trombay
- Mumbai – 400085
- India
| | - Parveen K. Verma
- Radiochemistry Division
- Bhabha Atomic Research Centre
- Trombay
- Mumbai – 400085
- India
| | - Seraj A. Ansari
- Radiochemistry Division
- Bhabha Atomic Research Centre
- Trombay
- Mumbai – 400085
- India
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11
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Takamuku T, Sakurai H, Ogawa A, Tashiro A, Kawano M, Kawazu Y, Sadakane K, Iwase H, Ozutsumi K. Effects of the long octyl chain on complex formation of nickel(ii) with dimethyl sulfoxide, methanol, and acetonitrile in ionic liquid of [C8mim][TFSA]. Phys Chem Chem Phys 2019; 21:3154-3163. [DOI: 10.1039/c8cp06345a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The mono-DMSO complex is formed in [C8mim][TFSA]-DMSO solutions, but not in [C2mim][TFSA]-DMSO solutions.
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Affiliation(s)
- Toshiyuki Takamuku
- Department of Chemistry and Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Honjo-machi
- Saga 840-8502
| | - Hiroyuki Sakurai
- Department of Chemistry and Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Honjo-machi
- Saga 840-8502
| | - Akira Ogawa
- Department of Chemistry and Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Honjo-machi
- Saga 840-8502
| | - Atsuya Tashiro
- Department of Chemistry and Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Honjo-machi
- Saga 840-8502
| | - Masahiro Kawano
- Department of Chemistry and Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Honjo-machi
- Saga 840-8502
| | - Yutaro Kawazu
- Department of Chemistry and Applied Chemistry
- Faculty of Science and Engineering
- Saga University
- Honjo-machi
- Saga 840-8502
| | - Koichiro Sadakane
- Faculty of Life and Medical Sciences
- Doshisha University
- 1-3 Tatara Miyakodani
- Kyotanabe
- Kyoto 610-0394
| | - Hiroki Iwase
- Comprehensive Research Organization for Science and Society (CROSS)
- 162-1 Shirakata
- Tokai
- Ibaraki 319-1106
- Japan
| | - Kazuhiko Ozutsumi
- Department of Applied Chemistry
- Ritsumeikan University
- Kusatsu 525-8577
- Japan
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12
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Speciation of uranium(VI) extracted from acidic nitrate media by TODGA into molecular and ionic solvents. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2018.04.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Tsebrikova GS, Polyakova IN, Solov'ev VP, Ivanova IS, Kalashnikova IP, Kodina GE, Baulin VE, Tsivadze AY. Complexation of the new tetrakis[methyl(diphenylphosphorylated)] cyclen derivative with transition metals: First examples of octacoordinate zinc(II) and cobalt(II) complexes with cyclen molecules. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.04.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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14
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New Ionic Liquid Based on the CMPO Pattern for the Sequential Extraction of U(VI), Am(III) and Eu(III). J SOLUTION CHEM 2018. [DOI: 10.1007/s10953-018-0730-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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15
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Wu W, Sun T, Pu N, Meng D, Li Y, Dang J, Yang Y, Chen J, Xu C. Thermodynamic and spectroscopic study on the solvation and complexation behavior of Ln(iii) in ionic liquids: binding of Ln(iii) with CMPO in C4mimNTf2. NEW J CHEM 2018. [DOI: 10.1039/c8nj00344k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Thermodynamics of Ln(iii) complexation with CMPO in “dry” and “wet” ionic liquids reflects how solvation of Ln(iii) affects the complexation and helps identify the extractive species involved in solvent extraction.
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Affiliation(s)
- Wenchao Wu
- Collaborative Innovation Center of Advanced Nuclear Energy Technology
- Institute of Nuclear and New Energy Technology
- Tsinghua University
- Beijing
- China
| | - Taoxiang Sun
- Collaborative Innovation Center of Advanced Nuclear Energy Technology
- Institute of Nuclear and New Energy Technology
- Tsinghua University
- Beijing
- China
| | - Ning Pu
- Collaborative Innovation Center of Advanced Nuclear Energy Technology
- Institute of Nuclear and New Energy Technology
- Tsinghua University
- Beijing
- China
| | - Dechao Meng
- Collaborative Innovation Center of Advanced Nuclear Energy Technology
- Institute of Nuclear and New Energy Technology
- Tsinghua University
- Beijing
- China
| | - Youzhen Li
- Collaborative Innovation Center of Advanced Nuclear Energy Technology
- Institute of Nuclear and New Energy Technology
- Tsinghua University
- Beijing
- China
| | - Jiahao Dang
- Collaborative Innovation Center of Advanced Nuclear Energy Technology
- Institute of Nuclear and New Energy Technology
- Tsinghua University
- Beijing
- China
| | - Ying Yang
- State Key Laboratory of Heavy Oil Processing
- China University of Petroleum
- Beijing
- China
| | - Jing Chen
- Collaborative Innovation Center of Advanced Nuclear Energy Technology
- Institute of Nuclear and New Energy Technology
- Tsinghua University
- Beijing
- China
| | - Chao Xu
- Collaborative Innovation Center of Advanced Nuclear Energy Technology
- Institute of Nuclear and New Energy Technology
- Tsinghua University
- Beijing
- China
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16
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Kanzaki R, Uchida S, Kodamatani H, Tomiyasu T. Copper(II) Chloro Complex Formation Thermodynamics and Structure in Ionic Liquid, 1-Butyl-3-Methylimidazolium Trifluoromethanesulfonate. J Phys Chem B 2017; 121:9659-9665. [PMID: 28937759 DOI: 10.1021/acs.jpcb.7b06287] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Metal ions in ionic liquids are laid under an unprecedented reaction field. In order to assess the reaction thermodynamics of metal ions in such a situation, Cu2+-chloro complex formation was examined with spectroscopic and calorimetric titrations in an ionic liquid, 1-buthyl-3-methylimidazolium trifluoromethanesulfonate (C4mimTfO). In addition, the effect of the structure of the solvated complexes on the complexation mechanism was investigated with the aid of DFT calculations. Chloro complexation successively proceeded and finally provided a [CuCl4]2- species, which is also the final product in conventional molecular solvents. Their stability constants were comparable to those in molecular solvents. Interestingly, in spite of the charged solvent in the ionic liquid, the entropy profile of the complexation resembled that in the conventional molecular liquids. This indicates that the entropy gain of the released solvent species from the complexes is the main driving force of the chloro complexation in the ionic liquid. In contrast, unlike the major molecular solvents, the total coordination number of Cu2+ is saturated to 4 in the ionic liquid, and the Cl- complexation tends to be accompanied by a 1:1 exchange of the solvent TfO- from the complex. In addition, this ligand exchange was almost athermal. This possibly indicates that the coordination number is dominated by the electrostatic hindrance among the ligands including the solvent ions in the primary coordination sphere.
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Affiliation(s)
- Ryo Kanzaki
- Department of Earth and Environmental Sciences, Graduate School of Science and Engineering, Kagoshima University , Korimoto, Kagoshima 890-0065, Japan
| | - Shuma Uchida
- Department of Earth and Environmental Sciences, Graduate School of Science and Engineering, Kagoshima University , Korimoto, Kagoshima 890-0065, Japan
| | - Hitoshi Kodamatani
- Department of Earth and Environmental Sciences, Graduate School of Science and Engineering, Kagoshima University , Korimoto, Kagoshima 890-0065, Japan
| | - Takashi Tomiyasu
- Department of Earth and Environmental Sciences, Graduate School of Science and Engineering, Kagoshima University , Korimoto, Kagoshima 890-0065, Japan
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17
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Prabhu DR, Mohapatra PK, Raut DR, Pathak P, Billard I. Extraction of uranium(VI) from nitric acid solutions using N,N-dihexyloctanamide in ionic liquids: Solvent extraction and spectroscopic studies. SOLVENT EXTRACTION AND ION EXCHANGE 2017. [DOI: 10.1080/07366299.2017.1377423] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
| | | | - Dhaval R Raut
- Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India
| | - Priyanath Pathak
- Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India
| | - Isabelle Billard
- University Grenoble Alpes, LEPMI, F-38000 Grenoble, France
- CNRS, LEPMI, F-38000 Grenoble, France
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18
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Krishna GM, Suneesh AS, Kumaresan R, Venkatesan KA, Antony MP. Electrochemical Behavior of U(VI) in Imidazolium Ionic Liquid Medium Containing Tri-n-butyl Phosphate and Chloride Ion and Spectroscopic Characterization of Uranyl Species. ChemistrySelect 2017. [DOI: 10.1002/slct.201701139] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Gajula Murali Krishna
- Fuel Chemistry Division; Indira Gandhi Centre for Atomic Research; Kalpakkam 603102 India
- Homi Bhaba National Institute; Training School Complex; Mumbai 400094 India
| | - Asokan Sudha Suneesh
- Fuel Chemistry Division; Indira Gandhi Centre for Atomic Research; Kalpakkam 603102 India
| | | | | | - Malpan Pailo Antony
- Fuel Chemistry Division; Indira Gandhi Centre for Atomic Research; Kalpakkam 603102 India
- Homi Bhaba National Institute; Training School Complex; Mumbai 400094 India
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19
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Murali Krishna G, Suneesh A, Kumaresan R, Venkatesan K, Antony M. Dissolution of U 3 O 8 in 1-butyl-3-methylimidazolium chloride and spectroscopic and electrochemical behavior of U(VI) in the resultant solution. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.04.044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Wu Q, Sun T, Meng X, Chen J, Xu C. Thermodynamic Insight into the Solvation and Complexation Behavior of U(VI) in Ionic Liquid: Binding of CMPO with U(VI) Studied by Optical Spectroscopy and Calorimetry. Inorg Chem 2017; 56:3014-3021. [PMID: 28212016 DOI: 10.1021/acs.inorgchem.6b03132] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The complexation of U(VI) with octylphenyl-N,N-diisobutylcarbamoylmethylphosphine oxide (CMPO, denoted as L) in ionic liquid (IL) C4mimNTf2 was investigated by UV-vis absorption spectrophotometry and isothermal titration calorimetry. Spectro-photometric titration suggests that three successive complexes, UO2Lj2+ (j = 1-3), formed both in "dry" (water content < 250 ppm) and "wet" (water content ≈ 12 500 ppm) ionic liquid. However, the thermodynamic parameters are distinctly different in the two ILs. In dry IL, the complexation strength between CMPO and U(VI) is much stronger, with stability constants of the respective complexes more than 1 order of magnitude higher than that in wet IL. Energetically, the complexation of U(VI) with CMPO in dry IL is mainly driven by negative enthalpies. In contrast, the complexation in wet IL is overwhelmingly driven by highly positive entropies as a result of the release of a large amount of water molecules from the solvation sphere of U(VI). Moreover, comparisons between the fitted absorption spectra of complexes in wet IL and that of extractive samples from solvent extraction have identified the speciation involved in the extraction of U(VI) by CMPO in ionic liquid. The results from this study not only offer a thermodynamic insight into the complexation behavior of U(VI) with CMPO in IL but also provide valuable information for understanding the extraction behavior in the corresponding solvent extraction system.
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Affiliation(s)
- Qi Wu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum , Beijing 102249, China
| | | | - Xianghai Meng
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum , Beijing 102249, China
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21
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Kawazu Y, Hoke H, Yamada Y, Umecky T, Ozutsumi K, Takamuku T. Complex formation of nickel(ii) with dimethyl sulfoxide, methanol, and acetonitrile in a TFSA−-based ionic liquid of [C2mim][TFSA]. Phys Chem Chem Phys 2017; 19:31335-31344. [DOI: 10.1039/c7cp06469a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
When methanol molecules coordinate with Ni2+, the hydrogen bonds among them and those with the imidazolium ring are disrupted.
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Affiliation(s)
- Yutaro Kawazu
- Department of Chemistry and Applied Chemistry
- Graduate School of Science and Engineering, Saga University
- Saga 840-8502
- Japan
| | - Hiroshi Hoke
- Department of Chemistry and Applied Chemistry
- Graduate School of Science and Engineering, Saga University
- Saga 840-8502
- Japan
| | - Yasunori Yamada
- Department of Chemistry and Applied Chemistry
- Graduate School of Science and Engineering, Saga University
- Saga 840-8502
- Japan
| | - Tatsuya Umecky
- Department of Chemistry and Applied Chemistry
- Graduate School of Science and Engineering, Saga University
- Saga 840-8502
- Japan
| | - Kazuhiko Ozutsumi
- Department of Applied Chemistry
- Ritsumeikan University
- Kusatsu 525-8577
- Japan
| | - Toshiyuki Takamuku
- Department of Chemistry and Applied Chemistry
- Graduate School of Science and Engineering, Saga University
- Saga 840-8502
- Japan
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22
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Ternova D, Boltoeva M, Cointeaux L, Gaillard C, Kalchenko V, Mazan V, Miroshnichenko S, Mohapatra PK, Ouadi A, Papaiconomou N, Petrova M, Billard I. Dramatic Changes in the Solubilities of Ions Induced by Ligand Addition in Biphasic System D2O/DNO3//[C1C4im][Tf2N]: A Phenomenological Study. J Phys Chem B 2016; 120:7502-10. [DOI: 10.1021/acs.jpcb.6b05424] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dariia Ternova
- Institute
of Organic Chemistry, NASU, Murmanska Street 5, 02660 Kyiv-94, Ukraine
| | - Maria Boltoeva
- IPHC, Université de Strasbourg, 23 rue du
Lœss, 67037 Strasbourg, France
- CNRS, UMR 7178, 67037 Strasbourg, France
| | - Laure Cointeaux
- Uni. Grenoble Alpes, LEPMI, 38000 Grenoble, France
- CNRS, LEPMI, 1130 rue de la
Piscine, Saint Martin d’Hères, 38402 Grenoble, France
| | - Clotilde Gaillard
- Institut
de Physique Nucléaire de Lyon, Université de Lyon, CNRS-IN2P3, 69622 Villeurbanne cedex, France
| | - Vitaly Kalchenko
- Institute
of Organic Chemistry, NASU, Murmanska Street 5, 02660 Kyiv-94, Ukraine
| | - Valérie Mazan
- IPHC, Université de Strasbourg, 23 rue du
Lœss, 67037 Strasbourg, France
- CNRS, UMR 7178, 67037 Strasbourg, France
| | | | - Prasanta K. Mohapatra
- Radiochemistry Division Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
| | - Ali Ouadi
- IPHC, Université de Strasbourg, 23 rue du
Lœss, 67037 Strasbourg, France
- CNRS, UMR 7178, 67037 Strasbourg, France
| | - Nicolas Papaiconomou
- Uni. Grenoble Alpes, LEPMI, 38000 Grenoble, France
- CNRS, LEPMI, 1130 rue de la
Piscine, Saint Martin d’Hères, 38402 Grenoble, France
| | - Maria Petrova
- Uni. Grenoble Alpes, LEPMI, 38000 Grenoble, France
- CNRS, LEPMI, 1130 rue de la
Piscine, Saint Martin d’Hères, 38402 Grenoble, France
| | - Isabelle Billard
- Uni. Grenoble Alpes, LEPMI, 38000 Grenoble, France
- CNRS, LEPMI, 1130 rue de la
Piscine, Saint Martin d’Hères, 38402 Grenoble, France
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23
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Melchior A, Gaillard C, Gràcia Lanas S, Tolazzi M, Billard I, Georg S, Sarrasin L, Boltoeva M. Nickel(II) Complexation with Nitrate in Dry [C4mim][Tf2N] Ionic Liquid: A Spectroscopic, Microcalorimetric, and Molecular Dynamics Study. Inorg Chem 2016; 55:3498-507. [DOI: 10.1021/acs.inorgchem.5b02937] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Andrea Melchior
- Dipartimento di
Chimica, Fisica e Ambiente, Università di Udine, Via Cotonificio
108, I-33100 Udine, Italy
| | - Clotilde Gaillard
- Institut de Physique Nucléaire de
Lyon, Université de Lyon, CNRS-IN2P3, 69622 Villeurbanne
cedex, France
| | - Sara Gràcia Lanas
- Dipartimento di
Chimica, Fisica e Ambiente, Università di Udine, Via Cotonificio
108, I-33100 Udine, Italy
| | - Marilena Tolazzi
- Dipartimento di
Chimica, Fisica e Ambiente, Università di Udine, Via Cotonificio
108, I-33100 Udine, Italy
| | - Isabelle Billard
- Université Grenoble Alpes, LEPMI, CNRS, F-38000 Grenoble, France
- CNRS, LEPMI, F-38000, Grenoble, France
| | - Sylvia Georg
- Université de Strasbourg, IPHC, 23 rue du Lœss 67037 Strasbourg, France
| | - Lola Sarrasin
- Institut de Physique Nucléaire de
Lyon, Université de Lyon, CNRS-IN2P3, 69622 Villeurbanne
cedex, France
| | - Maria Boltoeva
- Université de Strasbourg, IPHC, 23 rue du Lœss 67037 Strasbourg, France
- CNRS, UMR7178, 67037 Strasbourg, France
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24
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Wanigasekara E, Freiderich JW, Sun XG, Meisner RA, Luo H, Delmau LH, Dai S, Moyer BA. Tandem dissolution of UO3 in amide-based acidic ionic liquid and in situ electrodeposition of UO2 with regeneration of the ionic liquid: a closed cycle. Dalton Trans 2016; 45:10151-4. [DOI: 10.1039/c6dt00873a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A closed cycle is demonstrated for the tandem dissolution and electroreduction of UO3 to UO2 with regeneration of the acidic ionic liquid.
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Affiliation(s)
| | | | - Xiao-Guang Sun
- Chemical Sciences Division
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Roberta A. Meisner
- Materials Science and Technology Division
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Huimin Luo
- Energy and Transportation Science Division
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | | | - Sheng Dai
- Chemical Sciences Division
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Bruce A. Moyer
- Chemical Sciences Division
- Oak Ridge National Laboratory
- Oak Ridge
- USA
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25
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Gaillard C, Boltoeva M, Billard I, Georg S, Mazan V, Ouadi A. Ionic liquid-based uranium(vi) extraction with malonamide extractant: cation exchange vs. neutral extraction. RSC Adv 2016. [DOI: 10.1039/c6ra11345a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The U(VI) extraction with DMDBMA is performed in the [C4mim][Tf2N] ionic liquid (IL) either as a cationic or a neutral species, without the help of IL ions. However, this does not prevent a noticeable pollution of the aqueous phase with the IL.
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Affiliation(s)
- Clotilde Gaillard
- Institut de Physique Nucléaire de Lyon
- Université de Lyon
- CNRS-IN2P3
- 69622 Villeurbanne Cedex
- France
| | | | | | - Sylvia Georg
- Université de Strasbourg
- IPHC
- 67037 Strasbourg
- France
- CNRS
| | - Valérie Mazan
- Université de Strasbourg
- IPHC
- 67037 Strasbourg
- France
- CNRS
| | - Ali Ouadi
- Université de Strasbourg
- IPHC
- 67037 Strasbourg
- France
- CNRS
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26
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Spectroscopic studies on uranyl complexes with tri-n-butyl phosphate (TBP) in ionic liquids. J Radioanal Nucl Chem 2015. [DOI: 10.1007/s10967-015-4608-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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27
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Janssen CH, Macías-Ruvalcaba NA, Aguilar-Martínez M, Kobrak MN. Metal extraction to ionic liquids: the relationship between structure, mechanism and application. INT REV PHYS CHEM 2015. [DOI: 10.1080/0144235x.2015.1088217] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Camiel H.C. Janssen
- Facultad de Química, Universidad Nacional Autónoma de México. Ciudad Universitaria, C.P. 04510 México D.F., México
| | - Norma A. Macías-Ruvalcaba
- Facultad de Química, Universidad Nacional Autónoma de México. Ciudad Universitaria, C.P. 04510 México D.F., México
| | - Martha Aguilar-Martínez
- Facultad de Química, Universidad Nacional Autónoma de México. Ciudad Universitaria, C.P. 04510 México D.F., México
| | - Mark N. Kobrak
- Department of Chemistry, Brooklyn College of the City University of New York, 2900 Bedford Ave., Brooklyn, NY 11210, USA
- Department of Chemistry, Graduate Center of the City University of New York, 365 Fifth Ave., New York, NY 10016, USA
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28
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Gaillard DC, Boltoeva M, Billard I, Georg S, Mazan V, Ouadi A, Ternova D, Hennig C. Insights into the Mechanism of Extraction of Uranium (VI) from Nitric Acid Solution into an Ionic Liquid by using Tri-n-butyl phosphate. Chemphyschem 2015; 16:2653-62. [DOI: 10.1002/cphc.201500283] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 05/04/2015] [Indexed: 11/08/2022]
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29
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Ansari SA, Liu L, Rao L. Binary lanthanide(iii)/nitrate and ternary lanthanide(iii)/nitrate/chloride complexes in an ionic liquid containing water: optical absorption and luminescence studies. Dalton Trans 2015; 44:2907-14. [DOI: 10.1039/c4dt03479a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Thermodynamic and spectroscopic data indicate that nitrate and chloride are stronger ligands than water for lanthanides in water saturated BumimTf2N.
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Affiliation(s)
- Seraj A. Ansari
- Chemical Sciences Division
- Lawrence Berkeley National Laboratory
- Berkeley
- USA
- Radiochemistry Division
| | - Lisheng Liu
- Chemical Sciences Division
- Lawrence Berkeley National Laboratory
- Berkeley
- USA
- Department of Radiochemistry
| | - Linfeng Rao
- Chemical Sciences Division
- Lawrence Berkeley National Laboratory
- Berkeley
- USA
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30
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Shi WQ, Yuan LY, Wang CZ, Wang L, Mei L, Xiao CL, Zhang L, Li ZJ, Zhao YL, Chai ZF. Exploring actinide materials through synchrotron radiation techniques. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:7807-7848. [PMID: 25169914 DOI: 10.1002/adma.201304323] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 04/24/2014] [Indexed: 06/03/2023]
Abstract
Synchrotron radiation (SR) based techniques have been utilized with increasing frequency in the past decade to explore the brilliant and challenging sciences of actinide-based materials. This trend is partially driven by the basic needs for multi-scale actinide speciation and bonding information and also the realistic needs for nuclear energy research. In this review, recent research progresses on actinide related materials by means of various SR techniques were selectively highlighted and summarized, with the emphasis on X-ray absorption spectroscopy, X-ray diffraction and scattering spectroscopy, which are powerful tools to characterize actinide materials. In addition, advanced SR techniques for exploring future advanced nuclear fuel cycles dealing with actinides are illustrated as well.
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Affiliation(s)
- Wei-Qun Shi
- Key Laboratory of Nuclear Radiation and Nuclear Energy Technology, Institute of High Enegy Physics, Chinese Academy of Sciences, Beijing, 100049, China
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31
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Sasaki K, Suzuki T, Arai T, Takao K, Suzuki S, Yaita T, Ikeda Y. Uranyl Species in 1-Ethyl-3-methylimidazolium Nitrate ([EMI][NO3]) Solution of [EMI]2[UO2(NO3)4]: First Spectrophotometric Evidence for Existence of [UO2(NO3)4]2−. CHEM LETT 2014. [DOI: 10.1246/cl.131183] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | - Tomoya Suzuki
- Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
| | | | - Koichiro Takao
- Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
| | | | | | - Yasuhisa Ikeda
- Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
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32
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Ansari SA, Liu L, Dau PD, Gibson JK, Rao L. Unusual complexation of nitrate with lanthanides in a wet ionic liquid: a new approach for aqueous separation of trivalent f-elements using an ionic liquid as solvent. RSC Adv 2014. [DOI: 10.1039/c4ra08252d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The energetics of lanthanide nitrate complexation in a wet ionic liquid (IL; saturated with water as seen in the aqueous separation process) differs entirely from that in dry IL.
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Affiliation(s)
- Seraj A. Ansari
- Chemical Sciences Division
- Lawrence Berkeley National Laboratory
- Berkeley, USA
| | - Lisheng Liu
- Chemical Sciences Division
- Lawrence Berkeley National Laboratory
- Berkeley, USA
| | - Phuong Diem Dau
- Chemical Sciences Division
- Lawrence Berkeley National Laboratory
- Berkeley, USA
| | - John K. Gibson
- Chemical Sciences Division
- Lawrence Berkeley National Laboratory
- Berkeley, USA
| | - Linfeng Rao
- Chemical Sciences Division
- Lawrence Berkeley National Laboratory
- Berkeley, USA
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33
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Freiderich JW, Wanigasekara E, Sun XG, Meisner RA, Meyer HM, Luo H, Delmau LH, Dai S, Moyer BA. Direct Electrodeposition of UO2 from Uranyl Bis(trifluoromethanesulfonyl)imide Dissolved in 1-Ethyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide Room Temperature Ionic Liquid System. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.10.187] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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34
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Mazan V, Billard I, Papaiconomou N. Experimental connections between aqueous–aqueous and aqueous–ionic liquid biphasic systems. RSC Adv 2014. [DOI: 10.1039/c4ra00645c] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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35
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Liu L, Tian G, Rao L. Effect of Solvation? Complexation of Neodymium(III) with Nitrate in an Ionic Liquid (BumimTf2N) in Comparison with Water. SOLVENT EXTRACTION AND ION EXCHANGE 2013. [DOI: 10.1080/07366299.2013.800410] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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36
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Liu Y, Chu T, Wang X. A 2:1 dicationic complex of tetraethyl methylenebisphosphonate with uranyl ion in acetonitrile and ionic liquids. Inorg Chem 2013; 52:848-54. [PMID: 23273316 DOI: 10.1021/ic302005e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A new 2:1 dicationic complex formed by TEMBP with uranyl ion in acetonitrile and two hydrophobic ILs, [BMIm][NTf(2)] and [N(4111)][NTf(2)], has been identified with combination of optical spectroscopic and mass spectrometric studies. With excess of TEMBP ligand (L/U > 2.0), the uranyl is completely coordinated by two ligands to form a dicationic complex [UO(2)(TEMBP)(2)](2+). The UV-vis spectra of [UO(2)(TEMBP)(2)](2+) in acetonitrile and in the two ILs are similar. The vibronic fine structures in UV-vis spectrum of [UO(2)(TEMBP)(2)](2+) show characters of tetragonal coordination in the uranyl equatorial plane. The symmetry of proposed structure of [UO(2)(TEMBP)(2)](2+) is D(2h), and its UV-vis spectrum is tentatively interpreted based on the structural similarity to the well studied [UO(2)Cl(4)](2-) complex. The luminescence emission spectrum of [UO(2)(TEMBP)(2)](2+) shows typical vibronic bands, having a mirror relationship with the 455-500 nm region of the corresponding absorption spectrum. The stoichiometry of [UO(2)(TEMBP)(2)](2+) is confirmed by electrospray ionization-ion trap mass spectrometry (ESI-ITMS) studies with acetonitrile as solvent. The "naked" dication (m/z 423) is characterized by the remarkable eight peaks with interval of 14 m/z units in its tandem mass spectra, representing the fragmentation of ligands by losing C(2)H(4) units from their ethoxy groups. However, the dication tends to exist as a weak adduct with either an additional ligand or an anion in the ESI mass spectrum. The adducts {[UO(2)(TEMBP)(2)](2+) + TEMBP} (m/z 567) and {[UO(2)(TEMBP)(2)](2+) + [ClO(4)](-)} (m/z 945) are favorable in pure acetonitrile, while only one adduct {[UO(2)(TEMBP)(2)](2+) + [NTf(2)](-)} (m/z 1126) is predominant in [BMIm][NTf(2)] (diluted with acetonitrile). The results of ESI-ITMS study are consistent with those of optical spectroscopic studies.
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Affiliation(s)
- Yupeng Liu
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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37
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Billard I. Ionic Liquids: New Hopes for Efficient Lanthanide/Actinide Extraction and Separation? INCLUDING ACTINIDES 2013. [DOI: 10.1016/b978-0-444-59536-2.00003-9] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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38
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Affiliation(s)
- Koichiro Takao
- Department of Materials
and Life Science, Seikei University, 3-3-1 Kichijoji-Kitamachi, Musashino-shi, Tokyo 180-8633, Japan
| | - Thomas James Bell
- Research Laboratory for Nuclear
Reactors, Tokyo Institute of Technology, 2-12-1-N1-34 O-okayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Yasuhisa Ikeda
- Research Laboratory for Nuclear
Reactors, Tokyo Institute of Technology, 2-12-1-N1-34 O-okayama, Meguro-ku, Tokyo 152-8550, Japan
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39
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Electrochemical behavior of [UO2Cl4]2− in 1-ethyl-3-methylimidazolium based ionic liquids. Sci China Chem 2012. [DOI: 10.1007/s11426-012-4693-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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40
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Chaumont A, Wipff G. Bromide complexation by the Eu(III) lanthanide cation in dry and humid ionic liquids: a molecular dynamics PMF study. Chemphyschem 2012; 13:1677-86. [PMID: 22556119 DOI: 10.1002/cphc.201200063] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2012] [Indexed: 11/08/2022]
Abstract
We report a molecular dynamics study on the EuBr(n)(3-n) complexes (n=0 to 6) formed upon complexation of Br(-) by Eu(3+) in the [BMI][PF(6)], [BMI][Tf(2)N] and [MeBu(3)N][Tf(2)N] ionic liquids (ILs), to compare the effect of the IL anion (PF(6)(-) versus Tf(2)N(-)), the IL cation (BMI(+) versus MeBu(3)N(+)) and the "IL humidity" on their solvation and stability. In "dry" solutions all complexes remain stable and the first coordination shell of Eu(3+) is purely anionic (Br(-) and IL anions), surrounded by IL cations (BMI(+) or MeBu(3)N(+) ions). Long range "onion type" solvation features (up to 20 Å from Eu(3+)), with alternating cation-rich and anion-rich solvent shells, are observed around the different complexes. The comparison of gas phase-optimized structures of EuBr(n)(3-n) complexes (that are unstable for n=5 and 6) with those observed in solution points to the importance of solvation forces on the nature of the complex, with a higher stabilization by imidazolium- than by ammonium-based dry ILs. Adding water to the IL has different effects, depending on the IL. In the highly hygroscopic [BMI][PF(6)] IL, Br(-) ligands are displaced by water, to finally form Eu(H(2)O)(9)(3+). In the less "humid" [BMI][Tf(2)N], the EuBr(n)(3-n) complexes do not dissociate and coordinate at most 1-2 H(2)O molecules. We also calculated the free-energy profiles (Potential of Mean Force calculations) for the stepwise complexation of Br(-), and found significant solvent effects. EuBr(6)(3-) is predicted to form in both [BMI][PF(6)] and [BMI][Tf(2)N], but not in [MeBu(3)N][Tf(2)N], mainly due to weaker interactions with the cationic solvation shell. First steps are found to be more exergonic in the PF(6)(-)- than in the Tf(2)N(-)-based IL. Molecular dynamics (MD) comparisons between ILs and classical solvents (acetonitrile and water) are also reported, affording good agreement with the experimental observations of Br(-) complexation by trivalent lanthanides in these classical solvents.
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Affiliation(s)
- Alain Chaumont
- Laboratoire MSM, UMR CNRS 7177, Institut de Chimie, 1 rue B. Pascal, 67 000 Strasbourg, France
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41
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Chaumont A, Klimchuk O, Gaillard C, Billard I, Ouadi A, Hennig C, Wipff G. Perrhenate Complexation by Uranyl in Traditional Solvents and in Ionic Liquids: A Joint Molecular Dynamics/Spectroscopic Study. J Phys Chem B 2012; 116:3205-19. [DOI: 10.1021/jp209476h] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alain Chaumont
- Laboratoire
MSM, UMR 7177, Institut de Chimie, 1 rue
B. Pascal, 67000 Strasbourg,
France
| | - Olga Klimchuk
- Institut Pluridisciplinaire Hubert Curien, DRS, Radiochimie, 23 rue du Lœss,
67037 Strasbourg cedex 2, France
- Institute of Organic Chemistry, NAS of Ukraine, 02660, Murmanska, 5, Kyiv, Ukraine
| | - Clotilde Gaillard
- Université de Lyon, Institut de Physique Nucléaire de Lyon, CNRS-IN2P3,
4 rue Enrico Fermi, 69622 Villeurbanne cedex, France
| | - Isabelle Billard
- Institut Pluridisciplinaire Hubert Curien, DRS, Radiochimie, 23 rue du Lœss,
67037 Strasbourg cedex 2, France
| | - Ali Ouadi
- Institut Pluridisciplinaire Hubert Curien, DRS, Radiochimie, 23 rue du Lœss,
67037 Strasbourg cedex 2, France
| | - Christoph Hennig
- Institute of Radiochemistry, Forschungszentrum Dresden-Rossendorf, P.O. Box 510119,
01314 Dresden, Germany
| | - Georges Wipff
- Laboratoire
MSM, UMR 7177, Institut de Chimie, 1 rue
B. Pascal, 67000 Strasbourg,
France
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42
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Gaillard C, Klimchuk O, Ouadi A, Billard I, Hennig C. Evidence for the formation of UO2(NO3)42− in an ionic liquid by EXAFS. Dalton Trans 2012; 41:5476-9. [DOI: 10.1039/c2dt30205e] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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43
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Bonnaffé-Moity M, Ouadi A, Mazan V, Miroshnichenko S, Ternova D, Georg S, Sypula M, Gaillard C, Billard I. Comparison of uranyl extraction mechanisms in an ionic liquid by use of malonamide or malonamide-functionalized ionic liquid. Dalton Trans 2012; 41:7526-36. [DOI: 10.1039/c2dt12421a] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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44
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Sun X, Luo H, Dai S. Ionic liquids-based extraction: a promising strategy for the advanced nuclear fuel cycle. Chem Rev 2011; 112:2100-28. [PMID: 22136437 DOI: 10.1021/cr200193x] [Citation(s) in RCA: 553] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiaoqi Sun
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
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45
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Pasilis SP, Blumenfeld A. Effect of Nitrate, Perchlorate, and Water on Uranyl(VI) Speciation in a Room-Temperature Ionic Liquid: A Spectroscopic Investigation. Inorg Chem 2011; 50:8302-7. [DOI: 10.1021/ic2008232] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sofie P. Pasilis
- Department of Chemistry, University of Idaho, Moscow, Idaho, United States
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46
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Billard I, Ouadi A, Jobin E, Champion J, Gaillard C, Georg S. Understanding the Extraction Mechanism in Ionic Liquids: UO22+/HNO3/TBP/C4-mimTf2N as a Case Study. SOLVENT EXTRACTION AND ION EXCHANGE 2011. [DOI: 10.1080/07366299.2011.566494] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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47
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Affiliation(s)
- Jerome Workman
- Unity Scientific LLC, 117 Old State Rd., Brookfield, Connecticut 06804, and United States National University, 11255 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Barry Lavine
- Department of Chemistry, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - Ray Chrisman
- Atodyne Technologies, L.L.C., 4699 Pontiac Trail, Ann Arbor, Michigan 48105, United States
| | - Mel Koch
- Center for Process Analytical Chemistry (CPAC), University of Washington, Seattle, Washington 98195-1700, United States
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48
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Wai CM, Liao YJ, Liao W, Tian G, Addleman RS, Quach D, Pasilis SP. Uranium dioxide in ionic liquid with a tri-n-butylphosphate–HNO3 complex—dissolution and coordination environment. Dalton Trans 2011; 40:5039-45. [DOI: 10.1039/c0dt01518k] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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49
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Quach DL, Wai CM, Pasilis SP. Characterization of Uranyl(VI) Nitrate Complexes in a Room Temperature Ionic Liquid Using Attenuated Total Reflection-Fourier Transform Infrared Spectrometry. Inorg Chem 2010; 49:8568-72. [DOI: 10.1021/ic101197j] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Donna L. Quach
- Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343
| | - Chien M. Wai
- Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343
| | - Sofie P. Pasilis
- Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343
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50
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Gaillard C, Chaumont A, Billard I, Hennig C, Ouadi A, Georg S, Wipff G. Competitive Complexation of Nitrates and Chlorides to Uranyl in a Room Temperature Ionic Liquid. Inorg Chem 2010; 49:6484-94. [DOI: 10.1021/ic100170t] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- C. Gaillard
- Institut de Physique Nucléaire de Lyon, CNRS-IN2P3, 4 rue Enrico Fermi, 69622 Villeurbanne cedex, France
| | - A. Chaumont
- Laboratoire MSM, UMR 7177, Institut de Chimie, 4 rue B. Pascal, 67000 Strasbourg, France
| | - I. Billard
- Institut Pluridisciplinaire Hubert Curien, DRS, Chimie Nucléaire, 23 rue du Lœss, 67037 Strasbourg cedex 2, France
| | - C. Hennig
- Institute of Radiochemistry, Forschungszentrum Dresden-Rossendorf, P.O. Box 510119, 01314 Dresden, Germany
| | - A. Ouadi
- Institut Pluridisciplinaire Hubert Curien, DRS, Chimie Nucléaire, 23 rue du Lœss, 67037 Strasbourg cedex 2, France
| | - S. Georg
- Institut Pluridisciplinaire Hubert Curien, DRS, Chimie Nucléaire, 23 rue du Lœss, 67037 Strasbourg cedex 2, France
| | - G. Wipff
- Laboratoire MSM, UMR 7177, Institut de Chimie, 4 rue B. Pascal, 67000 Strasbourg, France
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