101
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Affiliation(s)
- Douglas R Kindra
- Department of Chemistry, University of California , Irvine, California 92697-2025, United States
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102
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Affiliation(s)
- Cory J. Windorff
- Department
of Chemistry, University of California, Irvine, California 92697-2025, United States
| | - William J. Evans
- Department
of Chemistry, University of California, Irvine, California 92697-2025, United States
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103
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Arnold PL, Stevens CJ, Farnaby JH, Gardiner MG, Nichol GS, Love JB. New Chemistry from an Old Reagent: Mono- and Dinuclear Macrocyclic Uranium(III) Complexes from [U(BH4)3(THF)2]. J Am Chem Soc 2014; 136:10218-21. [DOI: 10.1021/ja504835a] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Polly L. Arnold
- EaStCHEM
School of Chemistry, University of Edinburgh, The King’s Buildings, Edinburgh EH9 3JJ, U. K
| | - Charlotte J. Stevens
- EaStCHEM
School of Chemistry, University of Edinburgh, The King’s Buildings, Edinburgh EH9 3JJ, U. K
| | - Joy H. Farnaby
- EaStCHEM
School of Chemistry, University of Edinburgh, The King’s Buildings, Edinburgh EH9 3JJ, U. K
| | - Michael G. Gardiner
- School
of Physical Sciences (Chemistry), University of Tasmania, Private
Bag 75, Hobart, Tasmania 7001, Australia
| | - Gary S. Nichol
- EaStCHEM
School of Chemistry, University of Edinburgh, The King’s Buildings, Edinburgh EH9 3JJ, U. K
| | - Jason B. Love
- EaStCHEM
School of Chemistry, University of Edinburgh, The King’s Buildings, Edinburgh EH9 3JJ, U. K
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104
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Schmidt AC, Heinemann FW, Lukens WW, Meyer K. Molecular and Electronic Structure of Dinuclear Uranium Bis-μ-Oxo Complexes with Diamond Core Structural Motifs. J Am Chem Soc 2014; 136:11980-93. [DOI: 10.1021/ja504528n] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Anna-Corina Schmidt
- Inorganic
Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Egerlandstr. 1, 91058 Erlangen, Germany
| | - Frank W. Heinemann
- Inorganic
Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Egerlandstr. 1, 91058 Erlangen, Germany
| | - Wayne W. Lukens
- Lawrence
Berkeley National Laboratory, MS 70A-1150, Berkeley, California 94720, United States
| | - Karsten Meyer
- Inorganic
Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Egerlandstr. 1, 91058 Erlangen, Germany
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105
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Structural/electronic properties and reaction energies of a series of mono- and bis-uranyl dihalides equatorially coordinated by N/O ligands. J Mol Model 2014; 20:2305. [PMID: 24869781 DOI: 10.1007/s00894-014-2305-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Accepted: 05/12/2014] [Indexed: 10/25/2022]
Abstract
Monometallic (UO2)(X)2(L)3 (L = pyridine (py), X = F (1), Cl (2), Br (3) and I (4); L = tetrahydrofuran (thf), X = Cl (5); L = pyrrole (pl), X = Cl (6)) as well as bimetallic [(UO2)(μ2-X)(X)(L)2]2 (L = py, X = F (7), Cl (8), Br (9) and I (10); L = thf, X = Cl (11); L = pl, X = Cl (12); μ 2 = doubly bridged) were examined using relativistic density functional theory. With changing from F, Cl, Br to I irregardless of in mono- or bis-uranyl complexes, bond lengths of U = O were calculated to be decreasing, resulting from strengthening of axial U = O bonds while weakening equatorial X → U coordination. This is further evidenced by calculated bond orders of U = O and stretching vibrational frequencies. A similar situation was is found in 2, 5 and 6 as well as in 8, 11 and 12, where N/O ligands are varied but the chlorine atoms are retained. The present study reveals that all these complexes have U(f)-character low-lying unoccupied orbitals, and their π*(U = O) antibonds are located on higher-energy orbitals. Complex 1 was calculated to show σ(U = O) bonding character for HOMO, and pyridine-character for other occupied orbitals; the fluorine ligand occurs in a relatively low-energy region. In contrast, the π(p) characters of heavier halogen atoms significantly contribute to most frontier molecular orbitals of 2, 3 and 4. Unlike this electronic feature of 2, complexes 5 and 6 exhibit mainly thf and pyrrole characters, respectively, for their high-lying occupied orbitals. Electronic structures of bisuranyl complexes 7-12, albeit a little more complicated, are revealed to be similar to those of the corresponding monouranyl complexes. Finally, energies of formation reactions of the above complexes were calculated and compared with available experimental results.
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106
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Pedrick EA, Wu G, Kaltsoyannis N, Hayton TW. Reductive silylation of a uranyl dibenzoylmethanate complex: an example of controlled uranyl oxo ligand cleavage. Chem Sci 2014. [DOI: 10.1039/c4sc00996g] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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107
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108
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Brogden DW, Turov Y, Nippe M, Li Manni G, Hillard EA, Clérac R, Gagliardi L, Berry JF. Oxidative Stretching of Metal–Metal Bonds to Their Limits. Inorg Chem 2014; 53:4777-90. [DOI: 10.1021/ic5007204] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- David W. Brogden
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Yevgeniya Turov
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Michael Nippe
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Giovanni Li Manni
- Department of Chemistry, Supercomputing
Institute, and Chemical Theory Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Elizabeth A. Hillard
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Rodolphe Clérac
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Laura Gagliardi
- Department of Chemistry, Supercomputing
Institute, and Chemical Theory Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - John F. Berry
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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109
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Moll H, Rossberg A, Steudtner R, Drobot B, Müller K, Tsushima S. Uranium(VI) Chemistry in Strong Alkaline Solution: Speciation and Oxygen Exchange Mechanism. Inorg Chem 2014; 53:1585-93. [DOI: 10.1021/ic402664n] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Henry Moll
- Institute
of Resource Ecology, Helmholtz−Zentrum Dresden−Rossendorf (HZDR), Bautzner Landstraße 400, Dresden 01328, Germany
| | - André Rossberg
- Institute
of Resource Ecology, Helmholtz−Zentrum Dresden−Rossendorf (HZDR), Bautzner Landstraße 400, Dresden 01328, Germany
| | - Robin Steudtner
- Institute
of Resource Ecology, Helmholtz−Zentrum Dresden−Rossendorf (HZDR), Bautzner Landstraße 400, Dresden 01328, Germany
| | - Björn Drobot
- Institute
of Resource Ecology, Helmholtz−Zentrum Dresden−Rossendorf (HZDR), Bautzner Landstraße 400, Dresden 01328, Germany
| | - Katharina Müller
- Institute
of Resource Ecology, Helmholtz−Zentrum Dresden−Rossendorf (HZDR), Bautzner Landstraße 400, Dresden 01328, Germany
| | - Satoru Tsushima
- Institute
of Resource Ecology, Helmholtz−Zentrum Dresden−Rossendorf (HZDR), Bautzner Landstraße 400, Dresden 01328, Germany
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110
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Magnani N, Colineau E, Griveau JC, Apostolidis C, Walter O, Caciuffo R. A plutonium-based single-molecule magnet. Chem Commun (Camb) 2014; 50:8171-3. [DOI: 10.1039/c4cc03400g] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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111
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Franke SM, Heinemann FW, Meyer K. Reactivity of uranium(iv) bridged chalcogenido complexes UIV–E–UIV(E = S, Se) with elemental sulfur and selenium: synthesis of polychalcogenido-bridged uranium complexes. Chem Sci 2014. [DOI: 10.1039/c3sc52799a] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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112
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Yu HZ, Li C, Chen BH, Yang CT, Wang D, Fu Y, Hu S, Dang Z. Promising density functional theory methods for predicting the structures of uranyl complexes. RSC Adv 2014. [DOI: 10.1039/c4ra08264h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
By examining the overall accuracy of different theoretical methods in predicting the U–X bond distances (of a series uranyl complexes), we found that both the global-hybrid meta-GGA functional of BB1K and the range-seperated LC-BLYP functional are fairly good (even better than the popular B3LYP method).
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Affiliation(s)
- Hai-Zhu Yu
- Department of Polymer Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083, China
| | - Can Li
- Department of Polymer Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083, China
| | - Bai-Hua Chen
- Institute of Nuclear Physics and Chemistry
- CAEP
- Mianyang, China
| | - Chu-Ting Yang
- Institute of Nuclear Physics and Chemistry
- CAEP
- Mianyang, China
| | - Dongrui Wang
- Department of Polymer Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083, China
| | - Yao Fu
- Department of Chemistry
- University of Science and Technology of China
- Hefei 230026, China
| | - Sheng Hu
- Institute of Nuclear Physics and Chemistry
- CAEP
- Mianyang, China
| | - Zhimin Dang
- Department of Polymer Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083, China
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113
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Karmel ISR, Elkin T, Fridman N, Eisen MS. Dimethylsilyl bis(amidinate)actinide complexes: synthesis and reactivity towards oxygen containing substrates. Dalton Trans 2014; 43:11376-87. [DOI: 10.1039/c4dt01361a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ligand1reacts with ThCl4and UCl4yielding complexes2and4, respectively. Complex3is obtained from complex2displaying extremely short Th–OH bond distances.
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Affiliation(s)
- Isabell S. R. Karmel
- Schulich Faculty of Chemistry
- Institute of Catalysis Science and Technology
- Technion – Israel Institute of Technology
- Technion City, 32000 Israel
| | - Tatyana Elkin
- Schulich Faculty of Chemistry
- Institute of Catalysis Science and Technology
- Technion – Israel Institute of Technology
- Technion City, 32000 Israel
| | - Natalia Fridman
- Schulich Faculty of Chemistry
- Institute of Catalysis Science and Technology
- Technion – Israel Institute of Technology
- Technion City, 32000 Israel
| | - Moris S. Eisen
- Schulich Faculty of Chemistry
- Institute of Catalysis Science and Technology
- Technion – Israel Institute of Technology
- Technion City, 32000 Israel
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114
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Lewis AJ, Yin H, Carroll PJ, Schelter EJ. Uranyl-oxo coordination directed by non-covalent interactions. Dalton Trans 2014; 43:10844-51. [DOI: 10.1039/c4dt00763h] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Directed coordination of weakly Lewis acidic K+ ions to weakly Lewis basic uranyl oxo ligands is accomplished through non-covalent cation–π and cation–F interactions for the first time.
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Affiliation(s)
- Andrew J. Lewis
- Department of Chemistry
- University of Pennsylvania
- Philadelphia, USA
| | - Haolin Yin
- Department of Chemistry
- University of Pennsylvania
- Philadelphia, USA
| | | | - Eric J. Schelter
- Department of Chemistry
- University of Pennsylvania
- Philadelphia, USA
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115
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Falaise C, Volkringer C, Vigier JF, Beaurain A, Roussel P, Rabu P, Loiseau T. Isolation of the Large {Actinide}38 Poly-oxo Cluster with Uranium. J Am Chem Soc 2013; 135:15678-81. [DOI: 10.1021/ja4067207] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Clément Falaise
- Unité
de Catalyse et Chimie du Solide (UCCS), UMR CNRS 8181, Université de Lille Nord de France, USTL-ENSCL, Bat. C7, BP 90108, 59652 Villeneuve d’Ascq, France
| | - Christophe Volkringer
- Unité
de Catalyse et Chimie du Solide (UCCS), UMR CNRS 8181, Université de Lille Nord de France, USTL-ENSCL, Bat. C7, BP 90108, 59652 Villeneuve d’Ascq, France
| | - Jean-François Vigier
- Unité
de Catalyse et Chimie du Solide (UCCS), UMR CNRS 8181, Université de Lille Nord de France, USTL-ENSCL, Bat. C7, BP 90108, 59652 Villeneuve d’Ascq, France
| | - Arnaud Beaurain
- Unité
de Catalyse et Chimie du Solide (UCCS), UMR CNRS 8181, Université de Lille Nord de France, USTL-ENSCL, Bat. C7, BP 90108, 59652 Villeneuve d’Ascq, France
| | - Pascal Roussel
- Unité
de Catalyse et Chimie du Solide (UCCS), UMR CNRS 8181, Université de Lille Nord de France, USTL-ENSCL, Bat. C7, BP 90108, 59652 Villeneuve d’Ascq, France
| | - Pierre Rabu
- Département
de Chimie des Matériaux Inorganiques, IPCMS and NIE, UMR 7504 CNRS-UdS, 23, rue du Loess, BP 43, 67034 Strasbourg cedex 2, France
| | - Thierry Loiseau
- Unité
de Catalyse et Chimie du Solide (UCCS), UMR CNRS 8181, Université de Lille Nord de France, USTL-ENSCL, Bat. C7, BP 90108, 59652 Villeneuve d’Ascq, France
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116
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Odoh SO, Govind N, Schreckenbach G, de Jong WA. Cation–Cation Interactions in [(UO2)2(OH)n]4–n Complexes. Inorg Chem 2013; 52:11269-79. [DOI: 10.1021/ic4015338] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Samuel O. Odoh
- Environmental
Molecular Science Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Niranjan Govind
- Environmental
Molecular Science Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Georg Schreckenbach
- Department
of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2
| | - Wibe A. de Jong
- Environmental
Molecular Science Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
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117
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Tecmer P, Govind N, Kowalski K, de Jong WA, Visscher L. Reliable modeling of the electronic spectra of realistic uranium complexes. J Chem Phys 2013; 139:034301. [DOI: 10.1063/1.4812360] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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118
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Guo YR, Wu Q, Odoh SO, Schreckenbach G, Pan QJ. Theoretical Study of Structural, Spectroscopic and Reaction Properties of trans-bis(imido) Uranium(VI) Complexes. Inorg Chem 2013; 52:9143-52. [DOI: 10.1021/ic401440w] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Yuan-Ru Guo
- Key Laboratory of Bio-based Material Science & Technology of Education Ministry, College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Qian Wu
- Key Laboratory
of Functional Inorganic Material Chemistry of Education Ministry,
School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China
| | - Samuel O. Odoh
- Department
of Chemistry, University of Manitoba, Winnipeg,
MB, Canada R3T 2N2
- Environmental
Molecular Sciences Laboratory, Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99352,
United States
| | - Georg Schreckenbach
- Department
of Chemistry, University of Manitoba, Winnipeg,
MB, Canada R3T 2N2
| | - Qing-Jiang Pan
- Key Laboratory
of Functional Inorganic Material Chemistry of Education Ministry,
School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China
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119
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Jones GM, Arnold PL, Love JB. Oxo-group-14-element bond formation in binuclear uranium(V) Pacman complexes. Chemistry 2013; 19:10287-94. [PMID: 23794441 DOI: 10.1002/chem.201301067] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Indexed: 11/07/2022]
Abstract
Simple and versatile routes to the functionalization of uranyl-derived U(V)-oxo groups are presented. The oxo-lithiated, binuclear uranium(V)-oxo complexes [{(py)3LiOUO}2(L)] and [{(py)3LiOUO}(OUOSiMe3)(L)] were prepared by the direct combination of the uranyl(VI) silylamide "ate" complex [Li(py)2][(OUO)(N")3] (N" = N(SiMe3)2) with the polypyrrolic macrocycle H4L or the mononuclear uranyl (VI) Pacman complex [UO2(py)(H2L)], respectively. These oxo-metalated complexes display distinct U-O single and multiple bonding patterns and an axial/equatorial arrangement of oxo ligands. Their ready availability allows the direct functionalization of the uranyl oxo group leading to the binuclear uranium(V) oxo-stannylated complexes [{(R3Sn)OUO}2(L)] (R = nBu, Ph), which represent rare examples of mixed uranium/tin complexes. Also, uranium-oxo-group exchange occurred in reactions with [TiCl(OiPr)3] to form U-O-C bonds [{(py)3LiOUO}(OUOiPr)(L)] and [(iPrOUO)2(L)]. Overall, these represent the first family of uranium(V) complexes that are oxo-functionalised by Group 14 elements.
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Affiliation(s)
- Guy M Jones
- EaStCHEM School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh, EH9 3 JJ, UK
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120
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Dunn TJ, Chiang L, Ramogida CF, Hazin K, Webb MI, Katz MJ, Storr T. Class III Delocalization and Exciton Coupling in a Bimetallic Bis-ligand Radical Complex. Chemistry 2013; 19:9606-18. [DOI: 10.1002/chem.201300798] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Indexed: 11/07/2022]
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121
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Guo YR, Zhou X, Pan QJ. Relativistic theoretical studies on hydrogen bonds and the electronic structure of aqueous solvated bis(uranyl) complex: an insight into explicit and/or implicit solvent effects. J Mol Model 2013; 19:3325-32. [PMID: 23666033 DOI: 10.1007/s00894-013-1863-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2013] [Accepted: 04/18/2013] [Indexed: 11/25/2022]
Affiliation(s)
- Yuan-Ru Guo
- Key Laboratory of Bio-based Material Science and Technology of Education Ministry, College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
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122
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King DM, Tuna F, McMaster J, Lewis W, Blake AJ, McInnes EJL, Liddle ST. Single-Molecule Magnetism in a Single-Ion Triamidoamine Uranium(V) Terminal Mono-Oxo Complex. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201301007] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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123
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King DM, Tuna F, McMaster J, Lewis W, Blake AJ, McInnes EJL, Liddle ST. Single-Molecule Magnetism in a Single-Ion Triamidoamine Uranium(V) Terminal Mono-Oxo Complex. Angew Chem Int Ed Engl 2013; 52:4921-4. [DOI: 10.1002/anie.201301007] [Citation(s) in RCA: 119] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Indexed: 11/06/2022]
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124
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Arnold PL, Hollis E, Nichol GS, Love JB, Griveau JC, Caciuffo R, Magnani N, Maron L, Castro L, Yahia A, Odoh SO, Schreckenbach G. Oxo-functionalization and reduction of the uranyl ion through lanthanide-element bond homolysis: synthetic, structural, and bonding analysis of a series of singly reduced uranyl-rare earth 5f1-4f(n) complexes. J Am Chem Soc 2013; 135:3841-54. [PMID: 23451865 DOI: 10.1021/ja308993g] [Citation(s) in RCA: 101] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The heterobimetallic complexes [{UO2Ln(py)2(L)}2], combining a singly reduced uranyl cation and a rare-earth trication in a binucleating polypyrrole Schiff-base macrocycle (Pacman) and bridged through a uranyl oxo-group, have been prepared for Ln = Sc, Y, Ce, Sm, Eu, Gd, Dy, Er, Yb, and Lu. These compounds are formed by the single-electron reduction of the Pacman uranyl complex [UO2(py)(H2L)] by the rare-earth complexes Ln(III)(A)3 (A = N(SiMe3)2, OC6H3Bu(t)2-2,6) via homolysis of a Ln-A bond. The complexes are dimeric through mutual uranyl exo-oxo coordination but can be cleaved to form the trimetallic, monouranyl "ate" complexes [(py)3LiOUO(μ-X)Ln(py)(L)] by the addition of lithium halides. X-ray crystallographic structural characterization of many examples reveals very similar features for monomeric and dimeric series, the dimers containing an asymmetric U2O2 diamond core with shorter uranyl U═O distances than in the monomeric complexes. The synthesis by Ln(III)-A homolysis allows [5f(1)-4f(n)]2 and Li[5f(1)-4f(n)] complexes with oxo-bridged metal cations to be made for all possible 4f(n) configurations. Variable-temperature SQUID magnetometry and IR, NIR, and EPR spectroscopies on the complexes are utilized to provide a basis for the better understanding of the electronic structure of f-block complexes and their f-electron exchange interactions. Furthermore, the structures, calculated by restricted-core or all-electron methods, are compared along with the proposed mechanism of formation of the complexes. A strong antiferromagnetic coupling between the metal centers, mediated by the oxo groups, exists in the U(V)Sm(III) monomer, whereas the dimeric U(V)Dy(III) complex was found to show magnetic bistability at 3 K, a property required for the development of single-molecule magnets.
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Affiliation(s)
- Polly L Arnold
- EaStCHEM School of Chemistry, University of Edinburgh, Joseph Black Building, The King's Buildings, Edinburgh, EH9 3JJ, UK.
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125
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Wilson RK, Brooker S. Complexes of a porphyrin-like N4-donor Schiff-base macrocycle. Dalton Trans 2013; 42:7913-23. [DOI: 10.1039/c3dt33057e] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Rajni K Wilson
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
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126
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Pan QJ, Wang YM, Wang RX, Wu HY, Yang W, Sun ZM, Zhang HX. Bisactinyl halogenated complexes: relativistic density functional theory calculation and experimental synthesis. RSC Adv 2013. [DOI: 10.1039/c2ra21370b] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
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127
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Odoh SO, Schreckenbach G. DFT Study of Oxo-Functionalized Pentavalent Dioxouranium Complexes: Structure, Bonding, Ligand Exchange, Dimerization, and U(V)/U(IV) Reduction of OUOH and OUOSiH3 Complexes. Inorg Chem 2012; 52:245-57. [DOI: 10.1021/ic301762g] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Samuel O. Odoh
- Department of Chemistry, University of Manitoba, Winnipeg, MB, Canada R3T 2N2
| | - Georg Schreckenbach
- Department of Chemistry, University of Manitoba, Winnipeg, MB, Canada R3T 2N2
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129
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Uranium and manganese assembled in a wheel-shaped nanoscale single-molecule magnet with high spin-reversal barrier. Nat Chem 2012; 4:1011-7. [DOI: 10.1038/nchem.1494] [Citation(s) in RCA: 164] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Accepted: 10/04/2012] [Indexed: 11/09/2022]
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130
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Jones GM, Arnold PL, Love JB. Controlled deprotection and reorganization of uranyl oxo groups in a binuclear macrocyclic environment. Angew Chem Int Ed Engl 2012; 51:12584-7. [PMID: 23132703 DOI: 10.1002/anie.201207609] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2012] [Indexed: 11/10/2022]
Abstract
Switching on uranium(V) reactivity: The silylated uranium(V) dioxo complex [(Me(3)SiOUO)(2)(L)(2)] (A) is inert to oxidation, but after two-electron reduction to [(Me(3)SiOUO)(2)(L)](2-) (1), it can be desilylated to form [OU(μ-O)(2)UO(L)(2)](2-) (2) with reinstated uranyl character. Removal of the silyl group uncovers new redox and oxo rearrangement chemistry for uranium, thus reforming the uranyl motif and involving the U(VI/V) couple in dioxygen reduction.
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Affiliation(s)
- Guy M Jones
- EaStCHEM School of Chemistry, University of Edinburgh, West Mains Road, Edinburgh, EH9 3JJ, UK
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Jones GM, Arnold PL, Love JB. Controlled Deprotection and Reorganization of Uranyl Oxo Groups in a Binuclear Macrocyclic Environment. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201207609] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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132
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Arnold PL, Jones GM, Pan QJ, Schreckenbach G, Love JB. Co-linear, double-uranyl coordination by an expanded Schiff-base polypyrrole macrocycle. Dalton Trans 2012; 41:6595-7. [PMID: 22543562 DOI: 10.1039/c2dt30658a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Expansion of a Schiff-base polypyrrolic macrocycle allows the formation of a binuclear uranyl complex with co-linear uranyl ions and a very short oxo-oxo distance.
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Affiliation(s)
- Polly L Arnold
- EaStCHEM School of Chemistry, University of Edinburgh, The King's Buildings, Edinburgh, UK EH9 3JJ.
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Leeland JW, Finn C, Escuyer B, Kawaguchi H, Nichol GS, Slawin AMZ, Love JB. Synthesis and structures of transition metal pacman complexes of heteroditopic Schiff-base pyrrole macrocycles. Dalton Trans 2012; 41:13815-31. [DOI: 10.1039/c2dt31850d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Pan QJ, Odoh SO, Schreckenbach G, Arnold PL, Love JB. Theoretical exploration of uranyl complexes of a designed polypyrrolic macrocycle: structure/property effects of hinge size on Pacman-shaped complexes. Dalton Trans 2012; 41:8878-85. [DOI: 10.1039/c2dt31055d] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Qing-Jiang Pan
- Key Laboratory of Functional Inorganic Material Chemistry of Education Ministry, School of Chemistry and Materials Science, Heilongjiang University, Harbin, China 150080.
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Natrajan LS. The first structural and spectroscopic study of a paramagnetic 5f DO3A complex. Dalton Trans 2012; 41:13167-72. [DOI: 10.1039/c2dt30573a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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136
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Hart JS, Nichol GS, Love JB. Directed secondary interactions in transition metal complexes of tripodal pyrrole imine and amide ligands. Dalton Trans 2012; 41:5785-8. [DOI: 10.1039/c2dt30539a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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