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Su W, Ma Y, Xiang L, Wang J, Wang S, Zhao L, Frenking G, Ye Q. Isolation of a Uranium(III)-Carbon Multiple Bond Complex. Chemistry 2021; 27:10006-10011. [PMID: 33913186 PMCID: PMC8362146 DOI: 10.1002/chem.202100699] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Indexed: 12/16/2022]
Abstract
Low-valent uranium-element multiple bond complexes remain scarce, though there is burgeoning interest regarding to their bonding and reactivity. Herein, isolation of a uranium(III)-carbon double bond complex [(Cp*)2 U(CDP)](BPh4 ) (1) comprising a tridentate carbodiphosphorane (CDP) was reported for the first time. Oxidation of 1 afforded the corresponding U(IV) complex [(Cp*)2 U(CDP)](BPh4 )2 (2). The distance between U and C in 2 is 2.481 Å, indicating the existence of a typical U=C double bond, which is further confirmed by quantum chemical calculations. Bonding analysis suggested that the CDP also serves as both σ- and π-donor in complex 1, though a longer U-C bond (2.666(3) Å) is observed. It implies that 1 is the first isolable mononuclear uranium(III) carbene complex. Moreover, these results suggest that CDPs are promising ligands to establish other low-valent f-block metal-carbon multiple bond complexes.
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Affiliation(s)
- Wei Su
- Department of ChemistrySouthern University of Science and Technology518055ShenzhenChina
| | - Yanshun Ma
- Institute of Advanced Synthesis School of Chemistry and Molecular EngineeringNanjing Tech University211816NanjingChina
| | - Libo Xiang
- Department of ChemistrySouthern University of Science and Technology518055ShenzhenChina
| | - Junyi Wang
- Department of ChemistrySouthern University of Science and Technology518055ShenzhenChina
| | - Shuao Wang
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD−X) and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education InstitutionsSooChow University199 Ren'ai Road215123SuzhouChina
| | - Lili Zhao
- Institute of Advanced Synthesis School of Chemistry and Molecular EngineeringNanjing Tech University211816NanjingChina
| | - Gernot Frenking
- Institute of Advanced Synthesis School of Chemistry and Molecular EngineeringNanjing Tech University211816NanjingChina
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Straße 435032MarburgGermany
| | - Qing Ye
- Department of ChemistrySouthern University of Science and Technology518055ShenzhenChina
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52
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53
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Leinders G, Baldinozzi G, Ritter C, Saniz R, Arts I, Lamoen D, Verwerft M. Charge Localization and Magnetic Correlations in the Refined Structure of U 3O 7. Inorg Chem 2021; 60:10550-10564. [PMID: 34184880 DOI: 10.1021/acs.inorgchem.1c01212] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Atomic arrangements in the mixed-valence oxide U3O7 are refined from high-resolution neutron scattering data. The crystallographic model describes a long-range structural order in a U60O140 primitive cell (space group P42/n) containing distorted cuboctahedral oxygen clusters. By combining experimental data and electronic structure calculations accounting for spin-orbit interactions, we provide robust evidence of an interplay between charge localization and the magnetic moments carried by the uranium atoms. The calculations predict U3O7 to be a semiconducting solid with a band gap of close to 0.32 eV, and a more pronounced charge-transfer insulator behavior as compared to the well-known Mott insulator UO2. Most uranium ions (56 out of 60) occur in 9-fold and 10-fold coordinated environments, surrounding the oxygen clusters, and have a tetravalent (24 out of 60) or pentavalent (32 out of 60) state. The remaining uranium ions (4 out of 60) are not contiguous to the oxygen cuboctahedra and have a very compact, 8-fold coordinated environment with two short (2 × 1.93(3) Å) "oxo-type" bonds. The higher Hirshfeld charge and the diamagnetic character point to a hexavalent state for these four uranium ions. Hence, the valence state distribution corresponds to 24/60 × U(IV) + 32/60 U(V) + 4/60 U(VI). The tetravalent and pentavalent uranium ions are predicted to carry noncollinear magnetic moments (with amplitudes of 1.6 and 0.8 μB, respectively), resulting in canted ferromagnetic order in characteristic layers within the overall fluorite-related structure.
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Affiliation(s)
- Gregory Leinders
- Belgian Nuclear Research Centre (SCK CEN), Institute for Nuclear Materials Science, Boeretang 200, B-2400 Mol, Belgium
| | - Gianguido Baldinozzi
- Université Paris-Saclay, CentraleSupélec, CNRS, SPMS, 91190 Gif-sur-Yvette, France
| | - Clemens Ritter
- Institut Laue-Langevin, 71 Avenue des Martyrs, 38042 Grenoble, France
| | - Rolando Saniz
- CMT & NanoLab Center of Excellence, Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium
| | - Ine Arts
- EMAT & NanoLab Center of Excellence, Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium
| | - Dirk Lamoen
- EMAT & NanoLab Center of Excellence, Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium
| | - Marc Verwerft
- Belgian Nuclear Research Centre (SCK CEN), Institute for Nuclear Materials Science, Boeretang 200, B-2400 Mol, Belgium
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54
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Anomalous magnetism of uranium(IV)-oxo and -imido complexes reveals unusual doubly degenerate electronic ground states. Chem 2021. [DOI: 10.1016/j.chempr.2021.05.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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55
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Boronski JT, Seed JA, Wooles AJ, Liddle ST. Fragmentation, catenation, and direct functionalisation of white phosphorus by a uranium(IV)-silyl-phosphino-carbene complex. Chem Commun (Camb) 2021; 57:5090-5093. [PMID: 33899851 DOI: 10.1039/d1cc01741a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Room temperature reaction of the uranium(iv)-carbene [U{C(SiMe3)(PPh2)}(BIPMTMS)(μ-Cl)Li(TMEDA)(μ-TMEDA)0.5]2 (1, BIPMTMS = C(PPh2NSiMe3)2) with white phosphorus (P4) produces the organo-P5 compound [P5{C(SiMe3)(PPh2)}2][Li(TMEDA)2] (2) and the uranium(iv)-methanediide [U{BIPMTMS}{Cl}{μ-Cl}2{Li(TMEDA)}] (3). This is an unprecedented example of cooperative metal-carbene P4 activation/insertion into a metal-carbon double bond and also an actinide complex reacting with P4 to directly form an organophosphorus species. Conducting the reaction at low temperature permits the isolation of the diuranium(iv) complex [{U(BIPMTMS)([μ-η2:η2-P2]C[SiMe3][PPh2])}2] (4), which then converts to 2 and 3. Thus, surprisingly, in contrast to all other actinide P4 reactivity, although this reaction produces catenation overall it proceeds via P4 cleavage to functionalised P2 units. Hence, this work establishes a proof of concept synthetic cycle for direct fragmentation, catenation, and functionalisation of P4.
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Affiliation(s)
- Josef T Boronski
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
| | - John A Seed
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
| | - Ashley J Wooles
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
| | - Stephen T Liddle
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
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56
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Straub MD, Moreau LM, Qiao Y, Ouellette ET, Boreen MA, Lohrey TD, Settineri NS, Hohloch S, Booth CH, Minasian SG, Arnold J. Amidinate Supporting Ligands Influence Molecularity in Formation of Uranium Nitrides. Inorg Chem 2021; 60:6672-6679. [PMID: 33844509 DOI: 10.1021/acs.inorgchem.1c00471] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Uranium nitride complexes are attractive targets for chemists as molecular models for the bonding, reactivity, and magnetic properties of next-generation nuclear fuels, but these molecules are uncommon and can be difficult to isolate due to their high reactivity. Here, we describe the synthesis of three new multinuclear uranium nitride complexes, [U(BCMA)2]2(μ-N)(μ-κ1:κ1-BCMA) (7), [(U(BIMA)2)2(μ-N)(μ-NiPr)(K2(μ-η3:η3-CH2CHNiPr)]2 (8), and [U(BIMA)2]2(μ-N)(μ-κ1:κ1-BIMA) (9) (BCMA = N,N-bis(cyclohexyl)methylamidinate, BIMA = N,N-bis(iso-propyl)methylamidinate), from U(III) and U(IV) amidinate precursors. By varying the amidinate ligand substituents and azide source, we were able to influence the composition and size of these nitride complexes. 15N isotopic labeling experiments confirmed the bridging nitride moieties in 7-9 were formed via two-electron reduction of azide. The tetra-uranium cluster 8 was isolated in 99% yield via reductive cleavage of the amidinate ligands; this unusual molecule contains nitrogen-based ligands with formal 1-, 2-, and 3- charges. Additionally, chemical oxidation of the U(IV) precursor U(N3)(BCMA)3 yielded the cationic U(V) species [U(N3)(BCMA)3][OTf]. Magnetic susceptibility measurements confirmed a U(IV) oxidation state for the uranium centers in the three nitride-bridged complexes and provided a comparison of magnetic behavior in the structurally related U(III)-U(IV)-U(V) series U(BCMA)3, U(N3)(BCMA)3, and [U(N3)(BCMA)3][OTf]. At 240 K, the magnetic moments in this series decreased with increasing oxidation state, i.e., U(III) > U(IV) > U(V); this trend follows the decreasing number of 5f valence electrons along this series.
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Affiliation(s)
- Mark D Straub
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Liane M Moreau
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Yusen Qiao
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Erik T Ouellette
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Michael A Boreen
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Trevor D Lohrey
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Nicholas S Settineri
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Stephan Hohloch
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Corwin H Booth
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Stefan G Minasian
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - John Arnold
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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57
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Zhang M, Liang C, Cheng GD, Chen J, Wang Y, He L, Cheng L, Gong S, Zhang D, Li J, Hu SX, Diwu J, Wu G, Wang Y, Chai Z, Wang S. Intrinsic Semiconducting Behavior in a Large Mixed-Valent Uranium(V/VI) Cluster. Angew Chem Int Ed Engl 2021; 60:9886-9890. [PMID: 33590695 DOI: 10.1002/anie.202017298] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Indexed: 11/09/2022]
Abstract
We disclose the intrinsic semiconducting properties of one of the largest mixed-valent uranium clusters, [H3 O+ ][UV (UVI O2 )8 (μ3 -O)6 (PhCOO)2 (Py(CH2 O)2 )4 (DMF)4 ] (Ph=phenyl, Py=pyridyl, DMF=N,N-dimethylformamide) (1). Single-crystal X-ray crystallography demonstrates that UV center is stabilized within a tetraoxo core surrounded by eight uranyl(VI) pentagonal bipyramidal centers. The oxidation states of uranium are substantiated by spectroscopic data and magnetic susceptibility measurement. Electronic spectroscopy and theory corroborate that UV species serve as electron donors and thus facilitate 1 being a n-type semiconductor. With the largest effective atomic number among all reported radiation-detection semiconductor materials, charge transport properties and photoconductivity were investigated under X-ray excitation for 1: a large on-off ratio of 500 and considerable charge mobility lifetime product of 2.3×10-4 cm2 V-1 , as well as a high detection sensitivity of 23.4 μC Gyair -1 cm-2 .
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Affiliation(s)
- Mingxing Zhang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China.,Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Chengyu Liang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Guo-Dong Cheng
- School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, China
| | - Junchang Chen
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Yumin Wang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Linwei He
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Liwei Cheng
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Shicheng Gong
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Duo Zhang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Jiong Li
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Shu-Xian Hu
- School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, China
| | - Juan Diwu
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Guozhong Wu
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
| | - Yaxing Wang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Zhifang Chai
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
| | - Shuao Wang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, China
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58
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Christian MS, Johnson ER, Besmann TM. Interplay between London Dispersion, Hubbard U, and Metastable States for Uranium Compounds. J Phys Chem A 2021; 125:2791-2799. [PMID: 33764761 DOI: 10.1021/acs.jpca.0c10533] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
High-throughput computational studies of lanthanide and actinide chemistry with density-functional theory are complicated by the need for Hubbard U corrections, which ensure localization of the f-electrons, but can lead to metastable states. This work presents a systematic investigation of the effects of both Hubbard U value and metastable states on the predicted structural and thermodynamic properties of four uranium compounds central to the field of nuclear fuels: UC, UN, UO2, and UCl3. We also assess the impact of the exchange-hole dipole moment (XDM) dispersion correction on the computed properties. Overall, the choice of Hubbard U value and inclusion of a dispersion correction cause larger variations in the computed geometric properties than result from metastable states. The weak dependence of structure optimization on metastable states should simplify future high-throughput calculations on actinides. Conversely, addition of the dispersion correction is found to offset the repulsion introduced by the Hubbard U term and provides greatly improved agreement with experiment for both cell volumes and heats of formation. The XDM dispersion correction is largely invariant to the chosen U value, making it a robust dispersion correction for actinide systems.
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Affiliation(s)
- Matthew S Christian
- Nuclear Engineering Program, University of South Carolina, Columbia, South Carolina 29208, United States.,Center for Hierarchical Waste Form Materials (CHWM), University of South Carolina, Columbia, South Carolina 29208, United States
| | - Erin R Johnson
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia B3H 4R2, Canada
| | - Theodore M Besmann
- Nuclear Engineering Program, University of South Carolina, Columbia, South Carolina 29208, United States.,Center for Hierarchical Waste Form Materials (CHWM), University of South Carolina, Columbia, South Carolina 29208, United States
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59
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Du J, Hunger D, Seed JA, Cryer JD, King DM, Wooles AJ, van Slageren J, Liddle ST. Dipnictogen f-Element Chemistry: A Diphosphorus Uranium Complex. J Am Chem Soc 2021; 143:5343-5348. [PMID: 33792307 DOI: 10.1021/jacs.1c02482] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The first isolation and structural characterization of an f-element dinitrogen complex was reported in 1988, but an f-element complex with the first heavier group 15 homologue diphosphorus has to date remained unknown. Here, we report the synthesis of a side-on bound diphosphorus complex of uranium(IV) using a 7λ3-(dimethylamino)phosphadibenzonorbornadiene-mediated P atom transfer approach. Experimental and computational characterization reveals that the diphosphorus ligand is activated to its dianionic (P2)2- form and that in-plane U-P π-bonding dominates the bonding of the U(μ-η2:η2-P2)U unit, which is supplemented by a weak U-P interaction of δ symmetry. A preliminary reactivity study demonstrates conversion of this diphosphorus complex to unprecedented uranium cyclo-P3 complexes, suggesting in situ generation of transient, reactive phosphido species.
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Affiliation(s)
- Jingzhen Du
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - David Hunger
- Institute of Physical Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - John A Seed
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Jonathan D Cryer
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - David M King
- School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, U.K
| | - Ashley J Wooles
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
| | - Joris van Slageren
- Institute of Physical Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Stephen T Liddle
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K
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60
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Zhang M, Liang C, Cheng G, Chen J, Wang Y, He L, Cheng L, Gong S, Zhang D, Li J, Hu S, Diwu J, Wu G, Wang Y, Chai Z, Wang S. Intrinsic Semiconducting Behavior in a Large Mixed‐Valent Uranium(V/VI) Cluster. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202017298] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Mingxing Zhang
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
- Shanghai Institute of Applied Physics Chinese Academy of Sciences Shanghai 201800 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Chengyu Liang
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Guo‐Dong Cheng
- School of Mathematics and Physics University of Science and Technology Beijing Beijing 100083 China
| | - Junchang Chen
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Yumin Wang
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Linwei He
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Liwei Cheng
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Shicheng Gong
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Duo Zhang
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Jiong Li
- Shanghai Synchrotron Radiation Facility Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201210 China
| | - Shu‐Xian Hu
- School of Mathematics and Physics University of Science and Technology Beijing Beijing 100083 China
| | - Juan Diwu
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Guozhong Wu
- Shanghai Institute of Applied Physics Chinese Academy of Sciences Shanghai 201800 China
| | - Yaxing Wang
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Zhifang Chai
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
| | - Shuao Wang
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of, Jiangsu Higher Education Institutions Soochow University Suzhou 215123 China
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61
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Faizova R, Fadaei‐Tirani F, Chauvin A, Mazzanti M. Synthesis and Characterization of Water Stable Uranyl(V) Complexes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Radmila Faizova
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Farzaneh Fadaei‐Tirani
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Anne‐Sophie Chauvin
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Marinella Mazzanti
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
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62
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Faizova R, Fadaei‐Tirani F, Chauvin A, Mazzanti M. Synthesis and Characterization of Water Stable Uranyl(V) Complexes. Angew Chem Int Ed Engl 2021; 60:8227-8235. [DOI: 10.1002/anie.202016123] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/04/2021] [Indexed: 12/13/2022]
Affiliation(s)
- Radmila Faizova
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Farzaneh Fadaei‐Tirani
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Anne‐Sophie Chauvin
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Marinella Mazzanti
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
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63
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Wedal JC, Windorff CJ, Huh DN, Ryan AJ, Ziller JW, Evans WJ. Structural variations in cyclopentadienyl uranium(III) iodide complexes. J COORD CHEM 2020. [DOI: 10.1080/00958972.2020.1856824] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Justin C. Wedal
- Department of Chemistry, University of California, Irvine, CA, USA
| | - Cory J. Windorff
- Department of Chemistry, University of California, Irvine, CA, USA
| | - Daniel N. Huh
- Department of Chemistry, University of California, Irvine, CA, USA
| | - Austin J. Ryan
- Department of Chemistry, University of California, Irvine, CA, USA
| | - Joseph W. Ziller
- Department of Chemistry, University of California, Irvine, CA, USA
| | - William J. Evans
- Department of Chemistry, University of California, Irvine, CA, USA
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64
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Liu K, Yu JP, Wu QY, Tao XB, Kong XH, Mei L, Hu KQ, Yuan LY, Chai ZF, Shi WQ. Rational Design of a Tripodal Ligand for U(IV): Synthesis and Characterization of a U–Cl Species and Insights into Its Reactivity. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00638] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Kang Liu
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100039, People’s
Republic of China
| | - Ji-Pan Yu
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Qun-Yan Wu
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Xue-Bing Tao
- College of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, People’s Republic of China
| | - Xiang-He Kong
- College of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, People’s Republic of China
| | - Lei Mei
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Kong-Qiu Hu
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Li-Yong Yuan
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Zhi-Fang Chai
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
- Engineering Laboratory of Advanced Energy Materials, Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, People’s Republic of China
| | - Wei-Qun Shi
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
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65
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Bhunia P, Ghosh S, Gomila RM, Frontera A, Ghosh A. Reaction of Cu(II) Chelates with Uranyl Nitrate to Form a Coordination Complex or H-Bonded Adduct: Experimental Observations and Rationalization by Theoretical Calculations. Inorg Chem 2020; 59:15848-15861. [PMID: 33078932 DOI: 10.1021/acs.inorgchem.0c02338] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Four new heterometallic Cu(II)-U(VI) species, [{(CuL1)(CH3CN)}UO2(NO3)2] (1), [{(CuL2)(CH3CN)}UO2(NO3)2] (2), [{(CuL3)(H2O)}UO2(NO3)2] (3), and [UO2(NO3)2(H2O)2]·2[CuL4]·H2O (4), were synthesized using four different metalloligands ([CuL1], [CuL2], [CuL3], and [CuL4], respectively) derived from four unsymmetrically dicondensed N,O-donor Schiff bases. Single-crystal structural analyses revealed that complexes 1, 2, and 3 have a discrete dinuclear [Cu-UO2] core in which one metalloligand, [CuL], is connected to the uranyl moiety via a double phenoxido bridge. Two chelating nitrate ions complete the octa-coordination around uranium. Species 4 is a cocrystal, where a uranyl nitrate dihydrate is sandwiched between two metalloligands [CuL4] by the formation of strong hydrogen bonds between the H atoms of the coordinated water molecules to U(VI) and the O atoms of [CuL4]. Spectrophotometric titrations of these four metalloligands with uranyl nitrate dihydrate in acetonitrile showed a well-anchored isosbestic point between 300 and 500 nm in all cases, conforming with the coordination of [CuL1], [CuL2], [CuL3], and the H-bonding interaction of [CuL4] with UO2(NO3)2. This behavior of [CuL4] was utilized to selectively bind metal ions (e.g., Mg2+, Ca2+, Sr2+, Ba2+, and La3+) in the presence of UO2(NO3)2·2H2O in acetonitrile. The formation of these Cu(II)-U(VI) species in solution was also evaluated by steady-state fluorescence quenching experiments. The difference in the coordination behavior of these metalloligands toward [UO2(NO3)2(H2O)2] was studied by density functional theory calculations. The lower flexibility of the ethylenediamine ring and a large negative binding energy obtained from the evaluation of H bonds and supramolecular interactions between [CuL4] and [UO2(NO3)2(H2O)2] corroborate the formation of cocrystal 4. A very good linear correlation (r2 = 0.9949) was observed between the experimental U═O stretching frequencies and the strength of the equatorial bonds that connect the U atom to the metalloligand.
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Affiliation(s)
- Pradip Bhunia
- Department of Chemistry, University College of Science, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, West Bengal, India
| | - Soumavo Ghosh
- Department of Chemistry, University College of Science, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, West Bengal, India
| | - Rosa M Gomila
- Departament de Química, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain
| | - Antonio Frontera
- Departament de Química, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain
| | - Ashutosh Ghosh
- Department of Chemistry, University College of Science, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, West Bengal, India.,Rani Rashmoni Green University, Hooghly 712410, West Bengal, India
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66
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Wang P, Douair I, Zhao Y, Wang S, Zhu J, Maron L, Zhu C. Facile Dinitrogen and Dioxygen Cleavage by a Uranium(III) Complex: Cooperativity Between the Non‐Innocent Ligand and the Uranium Center. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012198] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Penglong Wang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Iskander Douair
- LPCNO, CNRS & INSA Université Paul Sabatier 135 Avenue de Rangueil 31077 Toulouse France
| | - Yue Zhao
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Shuao Wang
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions Soochow University Suzhou China
| | - Jun Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Laurent Maron
- LPCNO, CNRS & INSA Université Paul Sabatier 135 Avenue de Rangueil 31077 Toulouse France
| | - Congqing Zhu
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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67
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Wang P, Douair I, Zhao Y, Wang S, Zhu J, Maron L, Zhu C. Facile Dinitrogen and Dioxygen Cleavage by a Uranium(III) Complex: Cooperativity Between the Non‐Innocent Ligand and the Uranium Center. Angew Chem Int Ed Engl 2020; 60:473-479. [DOI: 10.1002/anie.202012198] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Indexed: 12/28/2022]
Affiliation(s)
- Penglong Wang
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Iskander Douair
- LPCNO, CNRS & INSA Université Paul Sabatier 135 Avenue de Rangueil 31077 Toulouse France
| | - Yue Zhao
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
| | - Shuao Wang
- State Key Laboratory of Radiation Medicine and Protection School for Radiological and interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions Soochow University Suzhou China
| | - Jun Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Laurent Maron
- LPCNO, CNRS & INSA Université Paul Sabatier 135 Avenue de Rangueil 31077 Toulouse France
| | - Congqing Zhu
- State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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68
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Seed JA, Sharpe HR, Futcher HJ, Wooles AJ, Liddle ST. Nature of the Arsonium‐Ylide Ph
3
As=CH
2
and a Uranium(IV) Arsonium–Carbene Complex. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004983] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- John A. Seed
- Department of Chemistry The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Helen R. Sharpe
- Department of Chemistry The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Harry J. Futcher
- Department of Chemistry The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Ashley J. Wooles
- Department of Chemistry The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Stephen T. Liddle
- Department of Chemistry The University of Manchester Oxford Road Manchester M13 9PL UK
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69
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Breton LS, Klepov VV, zur Loye HC. Facile Oxide to Chalcogenide Conversion for Actinides Using the Boron–Chalcogen Mixture Method. J Am Chem Soc 2020; 142:14365-14373. [DOI: 10.1021/jacs.0c06483] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Logan S. Breton
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Vladislav V. Klepov
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Hans-Conrad zur Loye
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
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70
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Seed JA, Sharpe HR, Futcher HJ, Wooles AJ, Liddle ST. Nature of the Arsonium-Ylide Ph 3 As=CH 2 and a Uranium(IV) Arsonium-Carbene Complex. Angew Chem Int Ed Engl 2020; 59:15870-15874. [PMID: 32484980 DOI: 10.1002/anie.202004983] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/28/2020] [Indexed: 11/11/2022]
Abstract
Treatment of [Ph3 EMe][I] with [Na{N(SiMe3 )2 }] affords the ylides [Ph3 E=CH2 ] (E=As, 1As; P, 1P). For 1As this overcomes prior difficulties in the synthesis of this classical arsonium-ylide that have historically impeded its wider study. The structure of 1As has now been determined, 45 years after it was first convincingly isolated, and compared to 1P, confirming the long-proposed hypothesis of increasing pyramidalisation of the ylide-carbon, highlighting the increasing dominance of E+ -C- dipolar resonance form (sp3 -C) over the E=C ene π-bonded form (sp2 -C), as group 15 is descended. The uranium(IV)-cyclometallate complex [U{N(CH2 CH2 NSiPri 3 )2 (CH2 CH2 SiPri 2 CH(Me)CH2 )}] reacts with 1As and 1P by α-proton abstraction to give [U(TrenTIPS )(CHEPh3 )] (TrenTIPS =N(CH2 CH2 NSiPri 3 )3 ; E=As, 2As; P, 2P), where 2As is an unprecedented structurally characterised arsonium-carbene complex. The short U-C distances and obtuse U-C-E angles suggest significant U=C double bond character. A shorter U-C distance is found for 2As than 2P, consistent with increased uranium- and reduced pnictonium-stabilisation of the carbene as group 15 is descended, which is supported by quantum chemical calculations.
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Affiliation(s)
- John A Seed
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Helen R Sharpe
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Harry J Futcher
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Ashley J Wooles
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Stephen T Liddle
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
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71
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Affiliation(s)
- Josef T. Boronski
- Department of Chemistry; The University of Manchester; Oxford Road M13 9PL Manchester UK
| | - Stephen T. Liddle
- Department of Chemistry; The University of Manchester; Oxford Road M13 9PL Manchester UK
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72
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Boreen MA, Gould CA, Booth CH, Hohloch S, Arnold J. Structure and magnetism of a tetrahedral uranium(iii) β-diketiminate complex. Dalton Trans 2020; 49:7938-7944. [PMID: 32495782 DOI: 10.1039/d0dt01599g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We describe the functionalisation of the previously reported uranium(iii) β-diketiminate complex (BDI)UI2(THF)2 (1) with one and two equivalents of a sterically demanding 2,6-diisopropylphenolate ligand (ODipp) leading to the formation of two heteroleptic complexes: [(BDI)UI(ODipp)]2 (2) and (BDI)U(ODipp)2 (3). The latter is a rare example of a tetrahedral uranium(iii) complex, and it shows single-molecule magnet behaviour.
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Affiliation(s)
- Michael A Boreen
- Department of Chemistry, University of California, Berkeley, California 94720, USA.
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73
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Colliard I, Morrison G, Loye HCZ, Nyman M. Supramolecular Assembly of U(IV) Clusters and Superatoms with Unconventional Countercations. J Am Chem Soc 2020; 142:9039-9047. [PMID: 32319763 DOI: 10.1021/jacs.0c03041] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Superatoms are nanometer-sized molecules or particles that form ordered lattices, mimicking their atomic counterparts. Hierarchical assembly of superatoms gives rise to emergent properties in lattices of quantum dots, p-block clusters, and fullerenes. Here, we introduce a family of uranium-oxysulfate cluster anions whose hierarchical assembly in water is controlled by two parameters: acidity and the lanthanide or transition-metal countercation. In acid, larger LnIII (Ln = La-Ho) link hexamer (U6) oxoclusters into body-centered cubic frameworks, while smaller LnIII (Ln = Er-Lu and Y) promote linking of 14 U6 clusters into hollow superclusters (U84 superatoms). U84 assembles into superlattices including cubic-closest packed, body-centered cubic, and interpenetrating networks, bridged by interstitial countercations and U6 clusters. Divalent transition metals (TM = MnII and ZnII) charge-balance and promote the fusion of 10 U6 and 10 U monomers into a wheel-shaped cluster (U70). Dissolution of U70 in organic media reveals (by small-angle X-ray scattering) that differing supramolecular assemblies are accessed, controlled by TMII-linking of U70 clusters. Magnetic measurements of these assemblies reveal Curie-Weiss behavior at high temperatures, without pairing of the 5f2-electrons down to 2 K.
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Affiliation(s)
- Ian Colliard
- Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
| | - Gregory Morrison
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Hans-Conrad Zur Loye
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - May Nyman
- Department of Chemistry, Oregon State University, Corvallis, Oregon 97331, United States
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74
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Boronski JT, Doyle LR, Wooles AJ, Seed JA, Liddle ST. Synthesis and Characterization of an Oxo-Centered Homotrimetallic Uranium(IV)–Cyclobutadienyl Dianion Complex. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00104] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Josef T. Boronski
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Laurence R. Doyle
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Ashley J. Wooles
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - John A. Seed
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Stephen T. Liddle
- Department of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, U.K
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75
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Vanagas NA, Higgins RF, Wacker JN, Asuigui DRC, Warzecha E, Kozimor SA, Stoll SL, Schelter EJ, Bertke JA, Knope KE. Mononuclear to Polynuclear U
IV
Structural Units: Effects of Reaction Conditions on U‐Furoate Phase Formation. Chemistry 2020; 26:5872-5886. [DOI: 10.1002/chem.201905759] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Nicole A. Vanagas
- Department of Chemistry Georgetown University 37th and O Streets NW Washington, D.C. 20057 United States
| | - Robert F. Higgins
- P. Roy and Diana T. Vagelos Laboratories Department of Chemistry University of Pennsylvania 231 S. 34th Street Philadelphia Pennsylvania 19104 United States
| | - Jennifer N. Wacker
- Department of Chemistry Georgetown University 37th and O Streets NW Washington, D.C. 20057 United States
- Los Alamos National Laboratory Los Alamos New Mexico 87545 United States
| | - Dane Romar C. Asuigui
- Department of Chemistry Georgetown University 37th and O Streets NW Washington, D.C. 20057 United States
| | - Evan Warzecha
- Department of Chemistry and Biochemistry Florida State University Tallahassee Florida 32306 United States
| | - Stosh A. Kozimor
- Los Alamos National Laboratory Los Alamos New Mexico 87545 United States
| | - Sarah L. Stoll
- Department of Chemistry Georgetown University 37th and O Streets NW Washington, D.C. 20057 United States
| | - Eric J. Schelter
- P. Roy and Diana T. Vagelos Laboratories Department of Chemistry University of Pennsylvania 231 S. 34th Street Philadelphia Pennsylvania 19104 United States
| | - Jeffery A. Bertke
- Department of Chemistry Georgetown University 37th and O Streets NW Washington, D.C. 20057 United States
| | - Karah E. Knope
- Department of Chemistry Georgetown University 37th and O Streets NW Washington, D.C. 20057 United States
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76
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Refn V, Kubus M, Mossin S, Larsen RW, Pedersen KS. A Redox-Innocent Uranium(IV)-Quinoid Metal-Organic Framework. ACS OMEGA 2020; 5:3462-3466. [PMID: 32118160 PMCID: PMC7045569 DOI: 10.1021/acsomega.9b03727] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 01/14/2020] [Indexed: 06/10/2023]
Abstract
Quinoid-based ligands constitute the most common class of redox-active ligands used to construct electrically conductive and magnetic metal-organic frameworks (MOFs). Whereas this chemistry is intensively explored for transition-metal and lanthanide ions, any related actinide compound has not received attention. In particular, the MOF chemistry of actinide ions in the lower oxidation states is underexplored. We herein report the synthesis, and structural and physical property characterization of a uranium(IV) quinoid-based MOF, [U(Cl2dhbq)2(H2O)2]·4H2O (1, Cl2dhbq2- = deprotonated 2,5-dichloro-3,6-dihydroxybenzoquinone). 1 is a rare example of a U(IV)-based coordination solid and the first material to incorporate bona fide reducible bridging ligands. Despite the anticipated thermodynamic driving force, no indications of valence tautomerism are evident from magnetometry, near-IR spectroscopy, and X-band electron paramagnetic resonance measurements. These initial results suggest that reduction potentials alone are insufficient as guidelines for the prediction of the occurrence of electron transfer in uranium-quinoid-based materials.
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77
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Brackbill IJ, Douair I, Lussier DJ, Boreen MA, Maron L, Arnold J. Synthesis and Structure of Uranium-Silylene Complexes. Chemistry 2020; 26:2360-2364. [PMID: 31950554 DOI: 10.1002/chem.202000214] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Indexed: 12/15/2022]
Abstract
While carbene complexes of uranium have been known for over a decade, there are no reported examples of complexes between an actinide and a "heavy carbene." Herein, we report the syntheses and structures of the first uranium-heavy tetrylene complexes: (CpSiMe3 )3 U-Si[PhC(NR)2 ]R' (R=tBu, R'=NMe2 1; R=iPr, R'=PhC(NiPr)2 2). Complex 1 features a kinetically robust uranium-silicon bonding interaction, while the uranium-silicon bond in 2 is easily disrupted thermally or by competing ligands in solution. Calculations reveal polarized σ bonds, but depending on the substituents at silicon a substantial π-bonding interaction is also present. The complexes possess relatively high bond orders which suggests primarily covalent bonding between uranium and silicon. These results comprise a new frontier in actinide-heavy main-group bonding.
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Affiliation(s)
- I Joseph Brackbill
- Department of Chemistry, University of California, Berkeley, and the Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720-1460, USA
| | - Iskander Douair
- LPCNO, Université de Toulouse, INSA Toulouse, 135 Avenue de Rangueil, 31077, Toulouse, France
| | - Daniel J Lussier
- Department of Chemistry, University of California, Berkeley, and the Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720-1460, USA
| | - Michael A Boreen
- Department of Chemistry, University of California, Berkeley, and the Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720-1460, USA
| | - Laurent Maron
- LPCNO, Université de Toulouse, INSA Toulouse, 135 Avenue de Rangueil, 31077, Toulouse, France
| | - John Arnold
- Department of Chemistry, University of California, Berkeley, and the Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720-1460, USA
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78
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Liu DD, Wang YL, Luo F, Liu QY. Rare Three-Dimensional Uranyl–Biphenyl-3,3′-disulfonyl-4,4′-dicarboxylate Frameworks: Crystal Structures, Proton Conductivity, and Luminescence. Inorg Chem 2020; 59:2952-2960. [DOI: 10.1021/acs.inorgchem.9b03323] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Dan-Dan Liu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Yu-Ling Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Feng Luo
- College of Biology, Chemistry and Material Science, East China Institute of Technology, Nanchang, Jiangxi 34400, P. R. China
| | - Qing-Yan Liu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
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79
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Palumbo CT, Scopelliti R, Zivkovic I, Mazzanti M. C-H Bond Activation by an Isolated Dinuclear U(III)/U(IV) Nitride. J Am Chem Soc 2020; 142:3149-3157. [PMID: 31940182 DOI: 10.1021/jacs.9b12804] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Synthetic studies of bimetallic uranium nitride complexes with the N(SiMe3)2 ligand have generated a new nitride complex of U(III), which is highly reactive toward C-H bonds and H2. Treatment of the previously reported U(IV)/U(IV) nitride complex [Na(DME)3][((Me3Si)2N)2U(μ-N)(μ-κ2:CN̵-CH2SiMe2NSiMe3)U(N(SiMe3)2)2] (DME = 1,2-dimethoxyethane), 1, with 2 equiv of HNEt3BPh3 yielded the cationic U(IV)/U(IV) nitride complex, [{((Me3Si)2N)2U(THF)}2(μ-N)][BPh4] (THF = tetrahydrofuran), 3, by successive protonolysis of one N(SiMe3)2 ligand and the uranium-methylene bond. Reduction of 3 with KC8 afforded a rare example of a U(III) nitride, namely, the U(III)/U(IV) complex, [{((Me3Si)2N)2U(THF)}2(μ-N)], 4. Complex 4 is highly reactive and undergoes 1,2-addition of the C-H bond of the N(SiMe3)2 ligand across the uranium-nitride moiety to give the U(III)/U(IV) imide cyclometalate complex, [((Me3Si)2N)2(THF)U(μ-NH)(μ-κ2:C,N̵-CH2SiMe2NSiMe3)U(N(SiMe3)2))(THF)], 5. Complex 4 also reacts with toluene at -80 °C to yield an inverse sandwich imide complex arising from C-H bond activation of toluene, [{((Me3Si)2N)2U(THF)}2(μ-N)][{((Me3Si)2N)3U(μ-NH)U(N(SiMe3)2)}2(C7H8)], 6. Complex 4 effects the heterolytic cleavage of the C-H of phenylacetylene to yield the imide acetylide [{((Me3Si)2N)2U(THF)}2(μ-N)][((Me3Si)2N)2U(η1-CCPh)(μ2-NH)(μ2-η2:η1-CCPh)U(N(SiMe3)2)2], 7. Complex 4 also reacts with H2 to produce an imide hydride U(III)/U(IV) complex, [{((Me3Si)2N)2U(THF)}2(μ-NH)(μ-H)], 9. These data demonstrate that nitride complexes of U(III) are accessible with amide ligands and show the high reactivity of molecular U(III) nitrides in C-H bond activation.
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80
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Riedhammer J, Aguilar-Calderón JR, Miehlich M, Halter DP, Munz D, Heinemann FW, Fortier S, Meyer K, Mindiola DJ. Werner-Type Complexes of Uranium(III) and (IV). Inorg Chem 2020; 59:2443-2449. [DOI: 10.1021/acs.inorgchem.9b03229] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Judith Riedhammer
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen 91058, Germany
| | - J. Rolando Aguilar-Calderón
- Department of Chemistry and Biochemistry, University of Texas at El Paso, El Paso, Texas 79968, United States
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Matthias Miehlich
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen 91058, Germany
| | - Dominik P. Halter
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen 91058, Germany
| | - Dominik Munz
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen 91058, Germany
| | - Frank W. Heinemann
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen 91058, Germany
| | - Skye Fortier
- Department of Chemistry and Biochemistry, University of Texas at El Paso, El Paso, Texas 79968, United States
| | - Karsten Meyer
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen 91058, Germany
| | - Daniel J. Mindiola
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen 91058, Germany
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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81
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Terminal uranium(V)-nitride hydrogenations involving direct addition or Frustrated Lewis Pair mechanisms. Nat Commun 2020; 11:337. [PMID: 31953390 PMCID: PMC6969212 DOI: 10.1038/s41467-019-14221-y] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 12/09/2019] [Indexed: 12/03/2022] Open
Abstract
Despite their importance as mechanistic models for heterogeneous Haber Bosch ammonia synthesis from dinitrogen and dihydrogen, homogeneous molecular terminal metal-nitrides are notoriously unreactive towards dihydrogen, and only a few electron-rich, low-coordinate variants demonstrate any hydrogenolysis chemistry. Here, we report hydrogenolysis of a terminal uranium(V)-nitride under mild conditions even though it is electron-poor and not low-coordinate. Two divergent hydrogenolysis mechanisms are found; direct 1,2-dihydrogen addition across the uranium(V)-nitride then H-atom 1,1-migratory insertion to give a uranium(III)-amide, or with trimesitylborane a Frustrated Lewis Pair (FLP) route that produces a uranium(IV)-amide with sacrificial trimesitylborane radical anion. An isostructural uranium(VI)-nitride is inert to hydrogenolysis, suggesting the 5f1 electron of the uranium(V)-nitride is not purely non-bonding. Further FLP reactivity between the uranium(IV)-amide, dihydrogen, and triphenylborane is suggested by the formation of ammonia-triphenylborane. A reactivity cycle for ammonia synthesis is demonstrated, and this work establishes a unique marriage of actinide and FLP chemistries. Despite their importance as mechanistic models for Haber Bosch ammonia synthesis from N2 and H2, high oxidation state terminal metal-nitrides are notoriously unreactive towards H2. Here, the authors report hydrogenolysis of a uranium(V)-nitride, which can occur directly or by Frustrated Lewis Pair chemistry with a borane ancillary.
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82
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Oligonuclear Actinoid Complexes with Schiff Bases as Ligands-Older Achievements and Recent Progress. Int J Mol Sci 2020; 21:ijms21020555. [PMID: 31952278 PMCID: PMC7027032 DOI: 10.3390/ijms21020555] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 01/09/2023] Open
Abstract
Even 155 years after their first synthesis, Schiff bases continue to surprise inorganic chemists. Schiff-base ligands have played a major role in the development of modern coordination chemistry because of their relevance to a number of interdisciplinary research fields. The chemistry, properties and applications of transition metal and lanthanoid complexes with Schiff-base ligands are now quite mature. On the contrary, the coordination chemistry of Schiff bases with actinoid (5f-metal) ions is an emerging area, and impressive research discoveries have appeared in the last 10 years or so. The chemistry of actinoid ions continues to attract the intense interest of many inorganic groups around the world. Important scientific challenges are the understanding the basic chemistry associated with handling and recycling of nuclear materials; investigating the redox properties of these elements and the formation of complexes with unusual metal oxidation states; discovering materials for the recovery of trans-{UVIO2}2+ from the oceans; elucidating and manipulating actinoid-element multiple bonds; discovering methods to carry out multi-electron reactions; and improving the 5f-metal ions’ potential for activation of small molecules. The study of 5f-metal complexes with Schiff-base ligands is a currently “hot” topic for a variety of reasons, including issues of synthetic inorganic chemistry, metalosupramolecular chemistry, homogeneous catalysis, separation strategies for nuclear fuel processing and nuclear waste management, bioinorganic and environmental chemistry, materials chemistry and theoretical chemistry. This almost-comprehensive review, covers aspects of synthetic chemistry, reactivity and the properties of dinuclear and oligonuclear actinoid complexes based on Schiff-base ligands. Our work focuses on the significant advances that have occurred since 2000, with special attention on recent developments. The review is divided into eight sections (chapters). After an introductory section describing the organization of the scientific information, Sections 2 and 3 deal with general information about Schiff bases and their coordination chemistry, and the chemistry of actinoids, respectively. Section 4 highlights the relevance of Schiff bases to actinoid chemistry. Sections 5–7 are the “main menu” of the scientific meal of this review. The discussion is arranged according the actinoid (only for Np, Th and U are Schiff-base complexes known). Sections 5 and 7 are further arranged into parts according to the oxidation states of Np and U, respectively, because the coordination chemistry of these metals is very much dependent on their oxidation state. In Section 8, some concluding comments are presented and a brief prognosis for the future is attempted.
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83
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Réant BLL, Berryman VEJ, Seed JA, Basford AR, Formanuik A, Wooles AJ, Kaltsoyannis N, Liddle ST, Mills DP. Polarised covalent thorium(iv)– and uranium(iv)–silicon bonds. Chem Commun (Camb) 2020; 56:12620-12623. [DOI: 10.1039/d0cc06044e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We report thorium- and uranium–silicon bonds in structurally analogous complexes with surprisingly similar actinide–silicon bonding regimes.
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Affiliation(s)
- Benjamin L. L. Réant
- Department of Chemistry
- School of Natural Sciences
- The University of Manchester
- Manchester
- UK
| | | | - John A. Seed
- Department of Chemistry
- School of Natural Sciences
- The University of Manchester
- Manchester
- UK
| | - Annabel R. Basford
- Department of Chemistry
- School of Natural Sciences
- The University of Manchester
- Manchester
- UK
| | - Alasdair Formanuik
- Department of Chemistry
- School of Natural Sciences
- The University of Manchester
- Manchester
- UK
| | - Ashley J. Wooles
- Department of Chemistry
- School of Natural Sciences
- The University of Manchester
- Manchester
- UK
| | - Nikolas Kaltsoyannis
- Department of Chemistry
- School of Natural Sciences
- The University of Manchester
- Manchester
- UK
| | - Stephen T. Liddle
- Department of Chemistry
- School of Natural Sciences
- The University of Manchester
- Manchester
- UK
| | - David P. Mills
- Department of Chemistry
- School of Natural Sciences
- The University of Manchester
- Manchester
- UK
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84
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Tsoureas N, Maron L, Kilpatrick AFR, Layfield RA, Cloke FGN. Ethene Activation and Catalytic Hydrogenation by a Low-Valent Uranium Pentalene Complex. J Am Chem Soc 2019; 142:89-92. [DOI: 10.1021/jacs.9b11929] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Nikolaos Tsoureas
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Laurent Maron
- INSA, UPS, LPCNO (IRSAMC), Université de Toulouse, 135 avenue de Ranqueil, 31077 Toulouse, France
| | | | - Richard A. Layfield
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - F. Geoffrey N. Cloke
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
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85
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Boronski JT, Doyle LR, Seed JA, Wooles AJ, Liddle ST. f-Element Half-Sandwich Complexes: A Tetrasilylcyclobutadienyl-Uranium(IV)-Tris(tetrahydroborate) Anion Pianostool Complex. Angew Chem Int Ed Engl 2019; 59:295-299. [PMID: 31724808 DOI: 10.1002/anie.201913640] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 11/11/2019] [Indexed: 12/26/2022]
Abstract
Despite there being numerous examples of f-element compounds supported by cyclopentadienyl, arene, cycloheptatrienyl, and cyclooctatetraenyl ligands (C5-8 ), cyclobutadienyl (C4 ) complexes remain exceedingly rare. Here, we report that reaction of [Li2 {C4 (SiMe3 )4 }(THF)2 ] (1) with [U(BH4 )3 (THF)2 ] (2) gives the pianostool complex [U{C4 (SiMe3 )4 }(BH4 )3 ][Li(THF)4 ] (3), where use of a borohydride and preformed C4 -unit circumvents difficulties in product isolation and closing a C4 -ring at uranium. Complex 3 is an unprecedented example of an f-element half-sandwich cyclobutadienyl complex, and it is only the second example of an actinide-cyclobutadienyl complex, the other being an inverse-sandwich. The U-C distances are short (av. 2.513 Å), reflecting the formal 2- charge of the C4 -unit, and the SiMe3 groups are displaced from the C4 -plane, which we propose maximises U-C4 orbital overlap. DFT calculations identify two quasi-degenerate U-C4 π-bonds utilising the ψ2 and ψ3 molecular orbitals of the C4 -unit, but the potential δ-bond using the ψ4 orbital is vacant.
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Affiliation(s)
- Josef T Boronski
- Department of Chemistry and Centre for Radiochemistry Research, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Laurence R Doyle
- Department of Chemistry and Centre for Radiochemistry Research, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - John A Seed
- Department of Chemistry and Centre for Radiochemistry Research, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Ashley J Wooles
- Department of Chemistry and Centre for Radiochemistry Research, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Stephen T Liddle
- Department of Chemistry and Centre for Radiochemistry Research, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
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86
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Boronski JT, Doyle LR, Seed JA, Wooles AJ, Liddle ST. f‐Element Half‐Sandwich Complexes: A Tetrasilylcyclobutadienyl–Uranium(IV)–Tris(tetrahydroborate) Anion Pianostool Complex. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201913640] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Josef T. Boronski
- Department of Chemistry and Centre for Radiochemistry Research The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Laurence R. Doyle
- Department of Chemistry and Centre for Radiochemistry Research The University of Manchester Oxford Road Manchester M13 9PL UK
| | - John A. Seed
- Department of Chemistry and Centre for Radiochemistry Research The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Ashley J. Wooles
- Department of Chemistry and Centre for Radiochemistry Research The University of Manchester Oxford Road Manchester M13 9PL UK
| | - Stephen T. Liddle
- Department of Chemistry and Centre for Radiochemistry Research The University of Manchester Oxford Road Manchester M13 9PL UK
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87
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Boreen MA, Lussier DJ, Skeel BA, Lohrey TD, Watt FA, Shuh DK, Long JR, Hohloch S, Arnold J. Structural, Electrochemical, and Magnetic Studies of Bulky Uranium(III) and Uranium(IV) Metallocenes. Inorg Chem 2019; 58:16629-16641. [DOI: 10.1021/acs.inorgchem.9b02719] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Michael A. Boreen
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Daniel J. Lussier
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Brighton A. Skeel
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Trevor D. Lohrey
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Fabian A. Watt
- University of Paderborn, Warburger Straße 100, 33098 Paderborn, Germany
| | - David K. Shuh
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Jeffrey R. Long
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Stephan Hohloch
- University of Paderborn, Warburger Straße 100, 33098 Paderborn, Germany
| | - John Arnold
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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88
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Pedersen KS, Meihaus KR, Rogalev A, Wilhelm F, Aravena D, Amoza M, Ruiz E, Long JR, Bendix J, Clérac R. [UF
6
]
2−
: A Molecular Hexafluorido Actinide(IV) Complex with Compensating Spin and Orbital Magnetic Moments. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kasper S. Pedersen
- Univ. Bordeaux, CNRS Centre de Recherche Paul Pascal, UMR 5031 33600 Pessac France
- Department of Chemistry Technical University of Denmark, 2800 Kgs. Lyngby Denmark
| | - Katie R. Meihaus
- Department of Chemistry University of California Berkeley CA 94720 USA
| | - Andrei Rogalev
- ESRF–The European Synchrotron, 71, Avenue des Martyrs 38000 Grenoble Cedex 9 France
| | - Fabrice Wilhelm
- ESRF–The European Synchrotron, 71, Avenue des Martyrs 38000 Grenoble Cedex 9 France
| | - Daniel Aravena
- Departamento de Química de los Materiales Facultad de Química y Biología Universidad de Santiago de Chile (USACH) Casilla 40, Correo 33 Santiago Chile
| | - Martín Amoza
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional Universitat de Barcelona Diagonal 645 08028 Barcelona Spain
| | - Eliseo Ruiz
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional Universitat de Barcelona Diagonal 645 08028 Barcelona Spain
| | - Jeffrey R. Long
- Department of Chemistry University of California Berkeley CA 94720 USA
- Materials Sciences Division Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
- Department of Chemical and Biomolecular Engineering University of California Berkeley Berkeley CA 94720 USA
| | - Jesper Bendix
- Department of Chemistry University of Copenhagen 2100 Copenhagen Denmark
| | - Rodolphe Clérac
- Univ. Bordeaux, CNRS Centre de Recherche Paul Pascal, UMR 5031 33600 Pessac France
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89
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Magnall R, Balázs G, Lu E, Kern M, Slageren J, Tuna F, Wooles AJ, Scheer M, Liddle ST. Photolytic and Reductive Activations of 2‐Arsaethynolate in a Uranium–Triamidoamine Complex: Decarbonylative Arsenic‐Group Transfer Reactions and Trapping of a Highly Bent and Reduced Form. Chemistry 2019; 25:14246-14252. [DOI: 10.1002/chem.201903973] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Rosie Magnall
- School of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Gábor Balázs
- Institute of Inorganic ChemistryUniversity of Regensburg Universitätsstr.31 Regensburg 93053 Germany
| | - Erli Lu
- School of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Michal Kern
- Institute of Physical ChemistryUniversity of Stuttgart Pfaffenwaldring 55 Stuttgart 70569 Germany
| | - Joris Slageren
- Institute of Physical ChemistryUniversity of Stuttgart Pfaffenwaldring 55 Stuttgart 70569 Germany
| | - Floriana Tuna
- School of Chemistry and Photon Science InstituteThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Ashley J. Wooles
- School of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Manfred Scheer
- Institute of Inorganic ChemistryUniversity of Regensburg Universitätsstr.31 Regensburg 93053 Germany
| | - Stephen T. Liddle
- School of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
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90
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Ayres AJ, Wooles AJ, Zegke M, Tuna F, Liddle ST. Preparation of Heterobimetallic Ketimido-Actinide-Molybdenum Complexes. Inorg Chem 2019; 58:13077-13089. [PMID: 31532645 DOI: 10.1021/acs.inorgchem.9b01993] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
During our attempts to prepare paddlewheel actinide-molybdenum complexes of the type [(X)An(MesNPR2)3Mo(CO)3] (Mes= 2,4,6-trimethylphenyl; X = Cl or I; An = U or Th; R = iPr or Ph) we have found that under certain conditions acetonitrile insertion reactions occur to give the heterobimetallic bridging ketimido species [ClAn(μ-MesNPiPr2)2(μ-MesNPiPr2{μ-NCMe})Mo(CO)3] (An = U, 1; Th, 2), [ClAn(μ-MesNPPh2)2(μ-MesNPPh2{μ-NCMe})Mo(CO)3] (An = U, 3; An = Th, 4), and [IAn(η2-MesNPiPr2)(μ-MesNPiPr2){μ-NC(Me)N(Mes)PiPr2}Mo(CO)3] (An = U, 5; Th, 6). Structural and spectroscopic data confirm the assignment of a ketimido ligand bridging An(IV) and Mo(0) centers. The isolation of 1-6 is in contrast to our previously reported preparations of [(X)An(MesNPPh2)3Mo(CO)3] (An = U or Th; X= Cl or I; Chem. Commun. 2018, 54, 13515-13518) with the difference in reactivity being attributable to a combination of ancillary phosphino-amide, reaction solvent, and temperature variation. Complexes 1-5 represent the first examples of structurally characterized ketimido-bridged actinide-transition metal linkages and demonstrate the profound differences in reaction outcomes that can occur from relatively minor experimental changes.
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Affiliation(s)
- Alexander J Ayres
- School of Chemistry , The University of Nottingham , University Park , Nottingham , NG7 2RD , United Kingdom
| | - Ashley J Wooles
- Department of Chemistry , The University of Manchester , Oxford Road , Manchester , M13 9PL , United Kingdom
| | - Markus Zegke
- Department of Chemistry , The University of Manchester , Oxford Road , Manchester , M13 9PL , United Kingdom
| | - Floriana Tuna
- Department of Chemistry and Photon Science Institute , The University of Manchester , Oxford Road , Manchester , M13 9PL , United Kingdom
| | - Stephen T Liddle
- Department of Chemistry , The University of Manchester , Oxford Road , Manchester , M13 9PL , United Kingdom
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91
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Back-bonding between an electron-poor, high-oxidation-state metal and poor π-acceptor ligand in a uranium(v)–dinitrogen complex. Nat Chem 2019; 11:806-811. [DOI: 10.1038/s41557-019-0306-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 07/08/2019] [Indexed: 11/08/2022]
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92
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Rosenzweig MW, Hümmer J, Scheurer A, Lamsfus CA, Heinemann FW, Maron L, Mazzanti M, Meyer K. A complete series of uranium(iv) complexes with terminal hydrochalcogenido (EH) and chalcogenido (E) ligands E = O, S, Se, Te. Dalton Trans 2019; 48:10853-10864. [PMID: 30950469 DOI: 10.1039/c9dt00530g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We here report the synthesis and characterization of a complete series of terminal hydrochalcogenido, U-EH, and chalcogenido uranium(iv) complexes, U≡E (with E = O, S, Se, Te), supported by the (Ad,MeArOH)3tacn (1,4,7-tris(3-(1-adamantyl)-5-methyl-2-hydroxybenzyl)-1,4,7-triazacyclononane) ligand system. Reaction of H2E with the trivalent precursor [((Ad,MeArO)3tacn)U] (1) yields the corresponding uranium(iv) hydrochalcogenido complexes [((Ad,MeArO)3tacn)U(EH)] (2). Subsequent deprotonation of the terminal hydrochalcogenido species with KN(SiMe3)2, in the presence of 2.2.2-cryptand, gives access to the uranium(iv) complexes with terminal chalcogenido ligands [K(2.2.2-crypt)][((Ad,MeArO)3tacn)U≡E] (3). In order to study the influence of the varying terminal chalogenido ligands on the overall molecular and electronic structure, all complexes were studied by single-crystal X-ray diffractometry, UV/vis/NIR, electronic absorption, and IR vibrational spectroscopy as well as SQUID magnetometry and computational analyses (DFT, MO, NBO).
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Affiliation(s)
- Michael W Rosenzweig
- Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany.
| | - Julian Hümmer
- Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany.
| | - Andreas Scheurer
- Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany.
| | - Carlos Alvarez Lamsfus
- LPCNO, Université de Toulouse, INSA Toulouse, 135 Avenue de Rangueil, 31077 Toulouse, France
| | - Frank W Heinemann
- Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany.
| | - Laurent Maron
- LPCNO, Université de Toulouse, INSA Toulouse, 135 Avenue de Rangueil, 31077 Toulouse, France
| | - Marinella Mazzanti
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Karsten Meyer
- Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany.
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93
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Pedersen KS, Meihaus KR, Rogalev A, Wilhelm F, Aravena D, Amoza M, Ruiz E, Long JR, Bendix J, Clérac R. [UF 6 ] 2- : A Molecular Hexafluorido Actinide(IV) Complex with Compensating Spin and Orbital Magnetic Moments. Angew Chem Int Ed Engl 2019; 58:15650-15654. [PMID: 31290580 DOI: 10.1002/anie.201905056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/14/2019] [Indexed: 11/08/2022]
Abstract
The first structurally characterized hexafluorido complex of a tetravalent actinide ion, the [UF6 ]2- anion, is reported in the (NEt4 )2 [UF6 ]⋅2 H2 O salt (1). The weak magnetic response of 1 results from both UIV spin and orbital contributions, as established by combining X-ray magnetic circular dichroism (XMCD) spectroscopy and bulk magnetization measurements. The spin and orbital moments are virtually identical in magnitude, but opposite in sign, resulting in an almost perfect cancellation, which is corroborated by ab initio calculations. This work constitutes the first experimental demonstration of a seemingly non-magnetic molecular actinide complex carrying sizable spin and orbital magnetic moments.
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Affiliation(s)
- Kasper S Pedersen
- Univ. Bordeaux, CNRS, Centre de Recherche Paul Pascal, UMR 5031, 33600, Pessac, France.,Department of Chemistry, Technical University of Denmark, 2800 Kgs., Lyngby, Denmark
| | - Katie R Meihaus
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA
| | - Andrei Rogalev
- ESRF-The European Synchrotron, 71, Avenue des Martyrs, 38000, Grenoble Cedex 9, France
| | - Fabrice Wilhelm
- ESRF-The European Synchrotron, 71, Avenue des Martyrs, 38000, Grenoble Cedex 9, France
| | - Daniel Aravena
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Casilla 40, Correo 33, Santiago, Chile
| | - Martín Amoza
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional, Universitat de Barcelona, Diagonal 645, 08028, Barcelona, Spain
| | - Eliseo Ruiz
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional, Universitat de Barcelona, Diagonal 645, 08028, Barcelona, Spain
| | - Jeffrey R Long
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA.,Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA.,Department of Chemical and Biomolecular Engineering, University of California Berkeley, Berkeley, CA, 94720, USA
| | - Jesper Bendix
- Department of Chemistry, University of Copenhagen, 2100, Copenhagen, Denmark
| | - Rodolphe Clérac
- Univ. Bordeaux, CNRS, Centre de Recherche Paul Pascal, UMR 5031, 33600, Pessac, France
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Teyar B, Boucenina S, Belkhiri L, Le Guennic B, Boucekkine A, Mazzanti M. Theoretical Investigation of the Electronic Structure and Magnetic Properties of Oxo-Bridged Uranyl(V) Dinuclear and Trinuclear Complexes. Inorg Chem 2019; 58:10097-10110. [PMID: 31287673 DOI: 10.1021/acs.inorgchem.9b01237] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The uranyl(V) complexes [UO2(dbm)2K(18C6)]2 (dbm = dibenzoylmethanate) and [UO2(L)]3(L = 2-(4-tolyl)-1,3-bis(quinolyl)malondiiminate), exhibiting diamond-shaped U2O2 and triangular-shaped U3O3 cores respectively with 5f1-5f1 and 5f1-5f1-5f1 configurations, have been investigated using relativistic density functional theory (DFT). The bond order and QTAIM analyses reveal that the covalent contribution to the bonding within the oxo cores is slightly more important for U3O3 than for U2O2, in line with the shorter U-O distances existing in the trinuclear complex in comparison to those in the binuclear complex. Using the broken symmetry (BS) approach combined with the B3LYP functional for the calculation of the magnetic exchange coupling constants (J) between the magnetic centers, the antiferromagnetic (AF) character of these complexes was confirmed, the estimated J values being respectively equal to -24.1 and -7.2 cm-1 for the dioxo and trioxo species. It was found that the magnetic exchange is more sensitive to small variations of the core geometry of the dioxo species in comparison to the trioxo species. Although the robust AF exchange coupling within the UxOx cores is generally maintained when small variations of the UOU angle are applied, a weak ferromagnetic character appears in the dioxo species when this angle is higher than 114°, its value for the actual structure being equal to 105.9°. The electronic factors driving the magnetic coupling are discussed.
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Affiliation(s)
- Billel Teyar
- Faculté des Sciences Exactes , Université des Frères Mentouri , Laboratoire de Physique Mathématique et Subatomique LPMS, 25017 Constantine , Algeria.,Université Ziane Achour de Djelfa , 17000 Djelfa , Algeria
| | - Seddik Boucenina
- Faculté des Sciences Exactes , Université des Frères Mentouri , Laboratoire de Physique Mathématique et Subatomique LPMS, 25017 Constantine , Algeria
| | - Lotfi Belkhiri
- Faculté des Sciences Exactes , Université des Frères Mentouri , Laboratoire de Physique Mathématique et Subatomique LPMS, 25017 Constantine , Algeria
| | | | | | - Marinella Mazzanti
- Institut des Sciences et Ingénierie Chimiques , Ecole Polytechnique Fédérale de Lausanne (EPFL) , CH-1015 Lausanne , Switzerland
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95
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Guo F, Chen Y, Tong M, Mansikkamäki A, Layfield RA. Uranocenium: Synthesis, Structure, and Chemical Bonding. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903681] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Fu‐Sheng Guo
- Department of ChemistryUniversity of Sussex Falmer Brighton BN1 9QR UK
| | - Yan‐Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of the Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Ming‐Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of the Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Akseli Mansikkamäki
- Department of Chemistry, Nanoscience CenterUniversity of Jyväskylä P.O. Box 35 Jyväskylä 40014 Finland
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96
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Guo FS, Chen YC, Tong ML, Mansikkamäki A, Layfield RA. Uranocenium: Synthesis, Structure, and Chemical Bonding. Angew Chem Int Ed Engl 2019; 58:10163-10167. [PMID: 31034690 DOI: 10.1002/anie.201903681] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Indexed: 11/10/2022]
Abstract
Abstraction of iodide from [(η5 -C5 i Pr5 )2 UI] (1) produced the cationic uranium(III) metallocene [(η5 -C5 i Pr5 )2 U]+ (2) as a salt of [B(C6 F5 )4 ]- . The structure of 2 consists of unsymmetrically bonded cyclopentadienyl ligands and a bending angle of 167.82° at uranium. Analysis of the bonding in 2 showed that the uranium 5f orbitals are strongly split and mixed with the ligand orbitals, thus leading to non-negligible covalent contributions to the bonding. Investigation of the dynamic magnetic properties of 2 revealed that the 5f covalency leads to partially quenched anisotropy and fast magnetic relaxation in zero applied magnetic field. Application of a magnetic field leads to dominant relaxation by a Raman process.
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Affiliation(s)
- Fu-Sheng Guo
- Department of Chemistry, University of Sussex, Falmer, Brighton, BN1 9QR, UK
| | - Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of the Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of the Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Akseli Mansikkamäki
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, P.O. Box 35, Jyväskylä, 40014, Finland
| | - Richard A Layfield
- Department of Chemistry, University of Sussex, Falmer, Brighton, BN1 9QR, UK
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97
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Magnall R, Balázs G, Lu E, Tuna F, Wooles AJ, Scheer M, Liddle ST. Trapping of a Highly Bent and Reduced Form of 2‐Phosphaethynolate in a Mixed‐Valence Diuranium–Triamidoamine Complex. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904676] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Rosie Magnall
- School of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Gábor Balázs
- Institute of Inorganic ChemistryUniversity of Regensburg Universitätsstr.31 93053 Regensburg Germany
| | - Erli Lu
- School of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Floriana Tuna
- School of Chemistry and Photon Science InstituteThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Ashley J. Wooles
- School of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
| | - Manfred Scheer
- Institute of Inorganic ChemistryUniversity of Regensburg Universitätsstr.31 93053 Regensburg Germany
| | - Stephen T. Liddle
- School of ChemistryThe University of Manchester Oxford Road Manchester M13 9PL UK
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98
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Magnall R, Balázs G, Lu E, Tuna F, Wooles AJ, Scheer M, Liddle ST. Trapping of a Highly Bent and Reduced Form of 2-Phosphaethynolate in a Mixed-Valence Diuranium-Triamidoamine Complex. Angew Chem Int Ed Engl 2019; 58:10215-10219. [PMID: 31125153 DOI: 10.1002/anie.201904676] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Indexed: 11/07/2022]
Abstract
The chemistry of 2-phosphaethynolate is burgeoning, but there remains much to learn about this ligand, for example its reduction chemistry is scarce as this promotes P-C-O fragmentations or couplings. Here, we report that reduction of [U(TrenTIPS )(OCP)] (TrenTIPS =N(CH2 CH2 NSiPri 3 )3 ) with KC8 /2,2,2-cryptand gives [{U(TrenTIPS )}2 {μ-η2 (OP):η2 (CP)-OCP}][K(2,2,2-cryptand)]. The coordination mode of this trapped 2-phosphaethynolate is unique, and derives from an unprecedented highly reduced and highly bent form of this ligand with the most acute P-C-O angle in any complex to date (P-C-O ∡ ≈127°). The characterisation data support a mixed-valence diuranium(III/IV) formulation, where backbonding from uranium gives a highly reduced form of the P-C-O unit that is perhaps best described as a uranium-stabilised OCP2-. radical dianion. Quantum chemical calculations reveal that this gives unprecedented carbene character to the P-C-O unit, which engages in a weak donor-acceptor interaction with one of the uranium ions.
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Affiliation(s)
- Rosie Magnall
- School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Gábor Balázs
- Institute of Inorganic Chemistry, University of Regensburg, Universitätsstr.31, 93053, Regensburg, Germany
| | - Erli Lu
- School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Floriana Tuna
- School of Chemistry and Photon Science Institute, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Ashley J Wooles
- School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Manfred Scheer
- Institute of Inorganic Chemistry, University of Regensburg, Universitätsstr.31, 93053, Regensburg, Germany
| | - Stephen T Liddle
- School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
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99
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Scheibe B, Bruns J, Heymann G, Sachs M, Karttunen AJ, Pietzonka C, Ivlev SI, Huppertz H, Kraus F. UF 4and the High‐Pressure Polymorph HP‐UF 4. Chemistry 2019; 25:7366-7374. [DOI: 10.1002/chem.201900639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Benjamin Scheibe
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35032 Marburg Germany
| | - Jörn Bruns
- Institut für Anorganische ChemieUniversität zu Köln Greinstr. 6 50939 Köln Germany
| | - Gunter Heymann
- Institut für Allgemeine, Anorganische und Theoretische ChemieUniversität Innsbruck Innrain 80–82 6020 Innsbruck Austria
| | - Malte Sachs
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35032 Marburg Germany
| | - Antti J. Karttunen
- Department of Chemistry and Materials ScienceAalto University Kemistintie 1 02150 Espoo Finland
| | - Clemens Pietzonka
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35032 Marburg Germany
| | - Sergei I. Ivlev
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35032 Marburg Germany
| | - Hubert Huppertz
- Institut für Allgemeine, Anorganische und Theoretische ChemieUniversität Innsbruck Innrain 80–82 6020 Innsbruck Austria
| | - Florian Kraus
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35032 Marburg Germany
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100
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Guo FS, Bar AK, Layfield RA. Main Group Chemistry at the Interface with Molecular Magnetism. Chem Rev 2019; 119:8479-8505. [PMID: 31059235 DOI: 10.1021/acs.chemrev.9b00103] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Innovative synthetic coordination and, increasingly, organometallic chemistry are at the heart of advances in molecular magnetism. Smart ligand design is essential for implementing controlled modifications to the electronic structure and magnetic properties of transition metal and f-element compounds, and many important recent developments use nontraditional ligands based on low-coordinate main group elements to drive the field forward. This review charts progress in molecular magnetism from the perspective of ligands in which the donor atoms range from low-coordinate 2p elements-particularly carbon but also boron and nitrogen-to the heavier p-block elements such as phosphorus, arsenic, antimony, and even bismuth. Emphasis is placed on the role played by novel main group ligands in addressing magnetic anisotropy of transition metal and f-element compounds, which underpins the development of single-molecule magnets (SMMs), a family of magnetic materials that can retain magnetization in the absence of a magnetic field below a blocking temperature. Nontraditional p-block donor atoms, with their relatively diffuse valence orbitals and more diverse bonding characteristics, also introduce scope for tuning the spin-orbit coupling properties and metal-ligand covalency in molecular magnets, which has implications in areas such as magnetic exchange coupling and spin crossover phenomena. The chemistry encompasses transition metals, lanthanides, and actinides and describes recently discovered molecular magnets that can be regarded, currently, as defining the state of the art. This review identifies that main group chemistry at the interface molecular magnetism is an area with huge potential to deliver new types of molecular magnets with previously unseen properties and applications.
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Affiliation(s)
- Fu-Sheng Guo
- Department of Chemistry, School of Life Sciences , University of Sussex , Brighton BN1 9QJ , United Kingdom
| | - Arun Kumar Bar
- Department of Chemistry, School of Life Sciences , University of Sussex , Brighton BN1 9QJ , United Kingdom
| | - Richard A Layfield
- Department of Chemistry, School of Life Sciences , University of Sussex , Brighton BN1 9QJ , United Kingdom
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