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Shafi Z, Gibson JK. Organolanthanide Complexes Containing Ln-CH 3 σ-bonds: Unexpectedly Similar Hydrolysis Rates for Trivalent and Tetravalent Organocerium. Inorg Chem 2023; 62:18399-18413. [PMID: 37910232 DOI: 10.1021/acs.inorgchem.3c02287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
We report the gas-phase preparation, isolation, and reactivity of a series of organolanthanides featuring the Ln-CH3 bond. The complexes are formed by decarboxylating anionic lanthanide acetates to form trivalent [LnIII(CH3)(CH3CO2)3]- (Ln = La, Ce, Pr, Nd, Sm, Tb, Tm, Yb, Lu), divalent [EuII(CH3)(CH3CO2)2]-, and the first examples of tetravalent organocerium complexes featuring CeIV-Calkyl σ-bonds: [CeIV(O)(CH3)(CH3CO2)2]- and [CeIV(O)(CH3)(NO3)2]-. Attempts to isolate PrIV-CH3 and TbIV-CH3 were unsuccessful; however, fragmentation patterns reveal that the oxidation of LnIII to a LnIV-oxo-acetate complex is more favorable for Ln = Pr than for Ln = Tb. The rate of Ln-CH3 hydrolysis is a measure of bond stability, and it decreases from LaIII-CH3 to LuIII-CH3, with increasing steric crowding for smaller Ln stabilizing the harder Ln-CH3 bond against hydrolysis. [EuII(CH3)(CH3CO2)2]- engages in a much faster hydrolysis versus LnIII-CH3. The surprising observation of similar hydrolysis rates for CeIV-CH3 and CeIII-CH3 is discussed with respect to sterics, the oxo ligand, and bond covalency in σ-bonded organolanthanides.
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Affiliation(s)
- Ziad Shafi
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - John K Gibson
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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2
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Xiong Z, Chen X, Gong Y. Mass spectrometric and theoretical study on the formation of uranyl hydride from uranyl carboxylate. Phys Chem Chem Phys 2021; 23:20073-20079. [PMID: 34551043 DOI: 10.1039/d1cp03092b] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Uranyl hydride in the form of HUO2Cl2- was prepared upon collision-induced dissociation of (RCO2)UO2Cl2- (R = H, CH3CH2, CH3CH2CH2, CH3CHCH, (CH3)2CH, C5H9, C6H11 and C6H5CH2CH2) in the gas phase. It was found that uranyl hydrides result from alkene and alkyne elimination with concomitant β-hydride transfer of uranyl alkylides RUO2Cl2- following decarboxylation of the carboxylates with the exception of (HCO2)UO2Cl2-, and formation of HUVIO2Cl2- through alkene/alkyne loss is in competition with neutral ligand loss to give UVO2Cl2-. According to the calculations at the B3LYP level, loss of a neutral ligand is slightly less favorable in the cases of (CH3CH2)UO2Cl2- and (CH3CH2CH2)UO2Cl2-, and the situations of (CH3CHCH)UO2Cl2-, ((CH3)2CH)UO2Cl2-, (C5H9)UO2Cl2-, (C6H11)UO2Cl2- and (C6H5CH2CH2)UO2Cl2- with β-hydrogen atoms should be similar despite the fact that the yield of uranyl hydride depends on the nature of the ligand. Although no uranyl hydride was observed when β-hydrogen is not available in the carboxylate precursor, there is no HUO2Cl2- generated from (C6H5CO2)UO2Cl2-, (2-C6H4FCO2)UO2Cl2- and (CH2CHCH2CO2)UO2Cl2- with β-hydrogen either. This is attributed to the much more favorable formation of UO2Cl2- over HUO2Cl2- as revealed by the B3LYP calculations, which is similar to the absence of HUO2Cl2- in the (CH3CO2)UO2Cl2- case where highly reactive CH2 would be formed.
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Affiliation(s)
- Zhixin Xiong
- Department of Radiochemistry, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China. .,School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiuting Chen
- Department of Radiochemistry, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China.
| | - Yu Gong
- Department of Radiochemistry, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China.
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Dai L, Nie C, Sun W, Xiao Y, Mao Y, Wu Z, Liao L, Xiao X. Complexation and enantioselectivity of sulfur/selenium-substituted uranyl-salophens with R/S-chiral lactone for RRS/SSR-3, 5-Dimethyl-2-(3-fluorophenyl)-2-morpholinols. J Radioanal Nucl Chem 2020. [DOI: 10.1007/s10967-020-07137-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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4
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Optical, electrochemical, thermal, biological and theoretical studies of some chloro and bromo based metal-salophen complexes. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127107] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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5
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Yang LL, Kong XH, Wu ZL, Lin YW, Liao LF, Nie CM. Theoretical investigation into the coordination ofR-/S-asymmetric uranyl-salophens containing six-membered ring lactam withcis−/trans-cyclohexylamines. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4387] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Liang-Liang Yang
- School of Chemistry and Chemical Engineering; University of South China; Hengyang 421001 China
| | - Xiang-He Kong
- School of Chemistry and Chemical Engineering; University of South China; Hengyang 421001 China
| | - Zhi-Lin Wu
- School of Chemistry and Chemical Engineering; University of South China; Hengyang 421001 China
| | - Ying-Wu Lin
- School of Chemistry and Chemical Engineering; University of South China; Hengyang 421001 China
| | - Li-Fu Liao
- School of Chemistry and Chemical Engineering; University of South China; Hengyang 421001 China
| | - Chang-Ming Nie
- School of Chemistry and Chemical Engineering; University of South China; Hengyang 421001 China
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Lan W, Wang X, He L, Meng Y, Li J, Qiu B, Nie C. Computational insight into asymmetric uranyl‐salophen coordinated with α, β‐unsaturated aldehydes and ketones. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.4137] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Wen‐Bo Lan
- School of Public HealthXiangnan University Chenzhou Hunan 423000 China
- School of Chemistry and Chemical EngineeringUniversity of South China Hengyang China
| | - Xiao‐Feng Wang
- School of Public HealthXiangnan University Chenzhou Hunan 423000 China
| | - Li‐Ping He
- School of Public HealthXiangnan University Chenzhou Hunan 423000 China
| | - Yan‐Bin Meng
- School of Public HealthXiangnan University Chenzhou Hunan 423000 China
| | - Jun Li
- School of Public HealthXiangnan University Chenzhou Hunan 423000 China
| | - Bin Qiu
- Chenzhou City Center for Disease Control and Prevention Chenzhou Hunan 423000 China
| | - Chang‐Ming Nie
- School of Chemistry and Chemical EngineeringUniversity of South China Hengyang China
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7
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Ciavardini A, Fornarini S, Dalla Cort A, Piccirillo S, Scuderi D, Bodo E. Experimental and Computational Investigation of Salophen-Zn Gas Phase Complexes with Cations: A Source of Possible Interference in Anionic Recognition. J Phys Chem A 2017; 121:7042-7050. [PMID: 28851214 DOI: 10.1021/acs.jpca.7b05825] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We explore the possibility that protonated molecular ions might be an unexpected source of interference in the recognition process of anions and neutral species by Zn-salophen receptors. Zn-salophen complexes are known to bind anions and neutral molecules in solution. We present here evidence (from computational work and IRMPD spectroscopy) that these complexes can also be the binding site for protonated pyridine or quinuclidine. The resulting binding pattern does not involve the Zn ion, but one of the oxygen atoms directly attached to it. The resulting complex therefore turns out to have a positive charge adjacent to the Zn-salophen binding site. This finding seems to point to the existence of an interfering factor in the quantification of the experimental data about the association constant.
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Affiliation(s)
- Alessandra Ciavardini
- Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma "La Sapienza" , Rome, Italy
| | - Simonetta Fornarini
- Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma "La Sapienza" , Rome, Italy
| | - Antonella Dalla Cort
- Dipartimento di Chimica and IMC-CNR Sezione Meccanismi di Reazione, Università La Sapienza , 00185 Roma, Italy
| | - Susanna Piccirillo
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma "Tor Vergata" , Rome, Italy
| | - Debora Scuderi
- Laboratoire de Chimie Physique, UMR 8000, Université Paris Sud , 91405 Orsay Cedex, France
| | - Enrico Bodo
- Dipartimento di Chimica, Università La Sapienza , 00185 Roma, Italy
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de Jong WA, Dau PD, Wilson RE, Marçalo J, Van Stipdonk MJ, Corcovilos TA, Berden G, Martens J, Oomens J, Gibson JK. Revealing Disparate Chemistries of Protactinium and Uranium. Synthesis of the Molecular Uranium Tetroxide Anion, UO4–. Inorg Chem 2017; 56:3686-3694. [DOI: 10.1021/acs.inorgchem.7b00144] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wibe A. de Jong
- Computational Research
Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Phuong D. Dau
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Richard E. Wilson
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Joaquim Marçalo
- Centro
de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, 2695-066 Bobadela Loures, Portugal
| | - Michael J. Van Stipdonk
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania 15282, United States
| | - Theodore A. Corcovilos
- Department of
Physics, Duquesne University, Pittsburgh, Pennsylvania 15282, United States
| | - Giel Berden
- Radboud University, Institute for Molecules and
Materials, FELIX Laboratory, Toernooiveld 7c, 6525ED Nijmegen, The Netherlands
| | - Jonathan Martens
- Radboud University, Institute for Molecules and
Materials, FELIX Laboratory, Toernooiveld 7c, 6525ED Nijmegen, The Netherlands
| | - Jos Oomens
- Radboud University, Institute for Molecules and
Materials, FELIX Laboratory, Toernooiveld 7c, 6525ED Nijmegen, The Netherlands
- van ‘t
Hoff Institute for Molecular Sciences, University of Amsterdam, Science
Park 904, 1098XH Amsterdam, The Netherlands
| | - John K. Gibson
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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Lan WB, Gao S, Lin YW, Peng GW, Nie CM. Computational insight into asymmetric uranyl-salophen coordinated with cyclohexenone derivatives. J COORD CHEM 2016. [DOI: 10.1080/00958972.2016.1209657] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Wen-Bo Lan
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, China
| | - Sha Gao
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, China
| | - Ying-Wu Lin
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, China
| | - Guo-Wen Peng
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, China
| | - Chang-Ming Nie
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, China
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10
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Xu ZJ, Zhang LR. Theoretical and Experimental: The Synthetic and Anion-Binding Properties of Tripodal Salicylaldehyde Derivatives. SENSORS 2016; 16:s16050733. [PMID: 27213390 PMCID: PMC4883424 DOI: 10.3390/s16050733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 05/09/2016] [Accepted: 05/12/2016] [Indexed: 12/20/2022]
Abstract
A series of colorimetric anion probes 1–6 containing OH and NO2 groups were synthesized, and their recognition properties toward various anions were investigated by visual observation, ultraviolet–visible spectroscopy, fluorescence, 1H nuclear magnetic resonance titration spectra and theoretical investigation. Nanomaterials of three compounds 2–4 were prepared successfully. Four compounds 3–6 that contain electron-withdrawing substituents showed a high binding ability for AcO−. The host–guest complex formed through a 1:1 binding ratio, and color changes were detectable during the recognition process. Theoretical investigation analysis revealed that an intramolecular hydrogen bond existed in the structures of compounds and the roles of molecular frontier orbitals in molecular interplay. These studies suggested that this series of compounds could be used as colorimetric probes to detect of AcO−.
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Affiliation(s)
- Zhong-Jie Xu
- School of Basic Medicine, Zhengzhou University, Zhengzhou 450052, China.
- Life Science and Technology College, Xinxiang Medical University, Xinxiang 453003, China.
| | - Li-Rong Zhang
- School of Basic Medicine, Zhengzhou University, Zhengzhou 450052, China.
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11
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Herasymchuk K, Chiang L, Hayes CE, Brown ML, Ovens JS, Patrick BO, Leznoff DB, Storr T. Synthesis and electronic structure determination of uranium(vi) ligand radical complexes. Dalton Trans 2016; 45:12576-86. [DOI: 10.1039/c6dt02089e] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pentagonal bipyramidal uranyl (UO22+) complexes of salen ligands were prepared and the electronic structure of the one-electron oxidized species[1a–c]+were investigated in solution.
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Affiliation(s)
| | - Linus Chiang
- Department of Chemistry
- Simon Fraser University
- Burnaby
- Canada
| | | | | | | | - Brian O. Patrick
- Department of Chemistry
- University of British Columbia
- Vancouver
- Canada
| | | | - Tim Storr
- Department of Chemistry
- Simon Fraser University
- Burnaby
- Canada
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12
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Li XL, Luo J, Lin YW, Liao LF, Nie CM. Density functional theory investigation of nonsymmetrically substituted uranyl–salophen complexes. J Radioanal Nucl Chem 2015. [DOI: 10.1007/s10967-015-4326-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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