1
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Herder JA, Kruse SJ, Nicholas AD, Forbes TZ, Walter ED, Cho H, Cahill CL. Systematic Study of Solid-State U(VI) Photoreactivity: Long-Lived Radicalization and Electron Transfer in Uranyl Tetrachloride. Inorg Chem 2024; 63:4957-4971. [PMID: 38437845 DOI: 10.1021/acs.inorgchem.3c04144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Reported are the syntheses, structural characterizations, and luminescence properties of three novel [UO2Cl4]2- bearing compounds containing substituted 1,1'-dialkyl-4,4'-bipyridinum dications (i.e., viologens). These compounds undergo photoinduced luminescence quenching upon exposure to UV radiation. This reactivity is concurrent with two phenomena: radicalization of the uranyl tetrachloride anion and photoelectron transfer to the viologen which constitutes the formal transfer of one electron from [UO2Cl4]2- to the viologen species. This behavior is elucidated using electron paramagnetic resonance (EPR) spectroscopy and further probed through a series of characterization and computational techniques including Rehm-Weller analysis, time-dependent density functional theory (TD-DFT), and density of states (DOS). This work provides a systematic study of the photoreactivity of the uranyl unit in the solid state, an under-described aspect of fundamental uranyl chemistry.
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Affiliation(s)
- Jordan A Herder
- Department of Chemistry, The George Washington University, 800 22nd Street, NW, Washington, District of Columbia 20052, United States
| | - Samantha J Kruse
- Department of Chemistry, University of Iowa, Chemistry Building W374, Iowa City, Iowa 55242, United States
| | - Aaron D Nicholas
- Department of Chemistry, The George Washington University, 800 22nd Street, NW, Washington, District of Columbia 20052, United States
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, Washington 99354, United States
| | - Tori Z Forbes
- Department of Chemistry, University of Iowa, Chemistry Building W374, Iowa City, Iowa 55242, United States
| | - Eric D Walter
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, Washington 99354, United States
| | - Herman Cho
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, Washington 99354, United States
| | - Christopher L Cahill
- Department of Chemistry, The George Washington University, 800 22nd Street, NW, Washington, District of Columbia 20052, United States
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2
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Tao Y, Zou W, Nanayakkara S, Kraka E. LModeA-nano: A PyMOL Plugin for Calculating Bond Strength in Solids, Surfaces, and Molecules via Local Vibrational Mode Analysis. J Chem Theory Comput 2022; 18:1821-1837. [PMID: 35192350 DOI: 10.1021/acs.jctc.1c01269] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The analysis of chemical bonding in crystal structures and surfaces is an important research topic in theoretical chemistry. In this work, we present a PyMOL plugin, named LModeA-nano, as implementation of the local vibrational mode theory for periodic systems (Tao et al. J. Chem. Theory Comput. 2019, 15, 1761) assessing bond strength in terms of local stretching force constants in extended systems of one, two, and three dimensions. LModeA-nano can also analyze chemical bonds in isolated molecular systems thus enabling a head-to-head comparison of bond strength across systems with different dimensions in periodicity (0-3D). The new code is interfaced to the output generated by various solid-state modeling packages including VASP, CP2K, Quantum ESPRESSO, CASTEP, and CRYSTAL. LModeA-nano is cross-platform, open-source and freely available on GitHub: https://github.com/smutao/LModeA-nano.
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Affiliation(s)
- Yunwen Tao
- Department of Chemistry, Southern Methodist University, 3215 Daniel Avenue, Dallas, Texas 75275-0314, United States
| | - Wenli Zou
- Institute of Modern Physics, Northwest University, and Shaanxi Key Laboratory for Theoretical Physics Frontiers, Xi'an, Shaanxi 710127, P. R. China
| | - Sadisha Nanayakkara
- Department of Chemistry, Southern Methodist University, 3215 Daniel Avenue, Dallas, Texas 75275-0314, United States
| | - Elfi Kraka
- Department of Chemistry, Southern Methodist University, 3215 Daniel Avenue, Dallas, Texas 75275-0314, United States
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3
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Sarma P, Sharma P, Gomila RM, Frontera A, Barcelo-Oliver M, Verma AK, Baruwa B, Bhattacharyya MK. Charge assisted hydrogen bonded assemblies and unconventional O···O dichalcogen bonding interactions in pyrazole-based isostructural Ni(II) and Mn(II) compounds involving anthraquinone disulfonate: Antiproliferative evaluation and theoretical studies. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131883] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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4
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Williams JM, Pyrch MM, Unruh DK, Lightfoot H, Forbes TZ. Influence of heterocyclic N-donors on the structural topologies and vibrational spectra of uranyl selenate phases. J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2021.122619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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5
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Wang X, Wang C, Zhang N, Liu D, Wang Y, Bai FY. Multifunctional Inorganic‐Organic U‐MOF Materials with Nitrogen Heterocyclic Carboxylate: Synthesis, Structure and Properties. ChemistrySelect 2020. [DOI: 10.1002/slct.201904850] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xue‐Meng Wang
- College of Chemistry and Chemical EngineeringLiaoning Normal University Dalian City 116029 P. R. China
| | - Chen Wang
- College of Chemistry and Chemical EngineeringLiaoning Normal University Dalian City 116029 P. R. China
| | - Nan Zhang
- College of Chemistry and Chemical EngineeringLiaoning Normal University Dalian City 116029 P. R. China
| | - Dong‐Qi Liu
- College of Chemistry and Chemical EngineeringLiaoning Normal University Dalian City 116029 P. R. China
| | - Yang Wang
- College of Chemistry and Chemical EngineeringLiaoning Normal University Dalian City 116029 P. R. China
| | - Feng Ying Bai
- College of Chemistry and Chemical EngineeringLiaoning Normal University Dalian City 116029 P. R. China
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6
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Pyrch MM, Bjorklund JL, Williams JM, Parr Iv DL, Mason SE, Leddy J, Forbes TZ. Impacts of hydrogen bonding interactions with Np(v/vi)O 2Cl 4 complexes: vibrational spectroscopy, redox behavior, and computational analysis. Dalton Trans 2020; 49:6854-6866. [PMID: 32383725 DOI: 10.1039/d0dt00848f] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The neptunyl (Np(v)O2+/Np(vi)O22+) cation is the dominant form of 237Np in acidic aqueous solutions and the stability of the Np(v) and Np(vi) species is driven by the specific chemical constituents present in the system. Hydrogen bonding with the oxo group may impact the stability of these species, but there is limited understanding of how these intermolecular interactions influence the behavior of both solution and solid-state species. In the current study, we systematically evaluate the interactions between the neptunyl tetrachloride species and hydrogen donors in coordination complexes and in the related aqueous solutions. Both Np(v) compounds (N2C4H12)2[Np(v)O2Cl4]Cl (Np(V)pipz) and (NOC4H10)3[Np(v)O2Cl4] (Np(V)morph) exhibit directional hydrogen bonding to the neptunyl oxo group while Np(vi) compounds (NC5H6)2[Np(vi)O2Cl4] (Np(VI)pyr) and (NOC4H10)4[Np(vi)O2Cl4]·2Cl (Np(VI)morph) assemble via halogen interactions. The Raman spectra of the solid-state phases indicate the activation of vibrational bands when there is asymmetry of the neptunyl bond, while these spectral features are not observed within the related solution phase spectra. Density functional theory calculations of the Np(V)pipz system suggest that activation of the ν3 asymmetric stretch and other combination modes lead to additional complexity within the solid-state spectra. Electrochemical analyses of complexes in the solution phases are consistent with the results of the crystallization experiments as the voltammetric potentials of Np(v)/Np(vi) complexes in the presence of protonated heterocycles differ from the potentials of pure Np(v) and may correlate with the hydrogen bonding interactions.
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Affiliation(s)
- Mikaela M Pyrch
- Department of Chemistry, University of Iowa, Iowa City, IA 52242, USA.
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7
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Lu G, Haes AJ, Forbes TZ. Detection and identification of solids, surfaces, and solutions of uranium using vibrational spectroscopy. Coord Chem Rev 2018; 374:314-344. [PMID: 30713345 PMCID: PMC6358285 DOI: 10.1016/j.ccr.2018.07.010] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The purpose of this review is to provide an overview of uranium speciation using vibrational spectroscopy methods including Raman and IR. Uranium is a naturally occurring, radioactive element that is utilized in the nuclear energy and national security sectors. Fundamental uranium chemistry is also an active area of investigation due to ongoing questions regarding the participation of 5f orbitals in bonding, variation in oxidation states and coordination environments, and unique chemical and physical properties. Importantly, uranium speciation affects fate and transportation in the environment, influences bioavailability and toxicity to human health, controls separation processes for nuclear waste, and impacts isotopic partitioning and geochronological dating. This review article provides a thorough discussion of the vibrational modes for U(IV), U(V), and U(VI) and applications of infrared absorption and Raman scattering spectroscopies in the identification and detection of both naturally occurring and synthetic uranium species in solid and solution states. The vibrational frequencies of the uranyl moiety, including both symmetric and asymmetric stretches are sensitive to the coordinating ligands and used to identify individual species in water, organic solvents, and ionic liquids or on the surface of materials. Additionally, vibrational spectroscopy allows for the in situ detection and real-time monitoring of chemical reactions involving uranium. Finally, techniques to enhance uranium species signals with vibrational modes are discussed to expand the application of vibrational spectroscopy to biological, environmental, inorganic, and materials scientists and engineers.
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Affiliation(s)
- Grace Lu
- Department of Chemistry, University of Iowa, Iowa City, IA 52242, United States
| | - Amanda J. Haes
- Department of Chemistry, University of Iowa, Iowa City, IA 52242, United States
| | - Tori Z. Forbes
- Department of Chemistry, University of Iowa, Iowa City, IA 52242, United States
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8
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Thuéry P, Harrowfield J. Three Different Modes of Association between Metal Cations in Heterometallic Uranyl–Co
III
and Uranyl–Mn
II
Species. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800873] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Pierre Thuéry
- NIMBE, CEA, CNRS Université Paris‐Saclay CEA Saclay 91191 Gif‐sur‐Yvette France
| | - Jack Harrowfield
- ISIS Université de Strasbourg 8 allée Gaspard Monge 67083 Strasbourg France
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9
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Abstract
Intermolecular interactions between the oxo group of an actinyl cation and other metal cations (i.e., cation-cation interactions) are dependent on the strength of the actinyl bond. These cation-cation interactions are prominently observed for the neptunyl cation [Np(V)O2]+ and are sufficiently stable enough to explore using a variety of chemical techniques. Herein, we investigate these intermolecular interactions in the neptunyl 18-crown-6 system, because this macrocyclic ligand provides both stable coordination and the proper sterics to engage the oxo group in bonding with both low-valent metal cations and neighboring neptunyl units. We report the structural and spectroscopic characterization of five neptunyl, [Np(V,VI)O2]+,2+, compounds: Np1a ([NpO2(18-crown-6)]ClO4), Np1b ([NpO2(18-crown-6)]AuCl4), Na-Np ([Np(V)O2(18-crown-6)(Na(H2O)(18-crown-6)][Np(VI)O2Cl4], Np-Np ([NpO2(18-crown-6)](NpO2Cl2NO3)], and Np-Cl (NpO2Cl(H2O)1.75). Each of these compounds were prepared from the ambient reactions of Np(V) in HX (where X = Cl, NO3) with the 18-crown-6 ether molecule. Structural information obtained from single-crystal X-ray diffraction data was paired with solid-state and solution Raman spectroscopy to provide information on the interaction of the neptunyl oxo atom with neighboring cations. Neptunyl (Np═O) bond lengths are not perturbed upon interaction with the Na+ cation (Na-Np), but elongation is observed upon formation of a neptunyl-neptunyl interaction (Np-Np). This is also the first structurally characterized isolated, molecular complex that contains a simple T-shaped neptunyl-neptunyl interaction. Raman spectroscopy indicates little perturbation to the neptunyl bond until the formation of the neptunyl-neptunyl motif, which also results in activation of the ν3 asymmetric stretch. Additional spectroscopic studies indicated that the neptunyl 18-crown-6 inclusion complexes form in solution and persist in the presence of other low-valence cations.
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Affiliation(s)
- Madeline Basile
- Department of Chemistry , University of Iowa , Iowa City , Iowa 52242 , United States
| | - Erica Cole
- Department of Chemistry , University of Iowa , Iowa City , Iowa 52242 , United States
| | - Tori Z Forbes
- Department of Chemistry , University of Iowa , Iowa City , Iowa 52242 , United States
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10
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Nuzzo S, Twamley B, Platts JA, Baker RJ. Pseudohalide Tectons within the Coordination Sphere of the Uranyl Ion: Experimental and Theoretical Study of C-H···O, C-H···S, and Chalcogenide Noncovalent Interactions. Inorg Chem 2018. [PMID: 29542918 DOI: 10.1021/acs.inorgchem.7b02967] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A series of uranyl thiocyanate and selenocyanate of the type [R4N]3[UO2(NCS)5] (R4 = nBu4, Me3Bz, Et3Bz), [Ph4P][UO2(NCS)3(NO3)] and [R4N]3[UO2(NCSe)5] (R4 = Me4, nPr4, Et3Bz) have been prepared and structurally characterized. The resulting noncovalent interactions have been examined and compared to other examples in the literature. The nature of these interactions is determined by the cation so that when the alkyl groups are small, chalcogenide···chalcogenide interactions are present, but this "switches off" when R = nPr and charge assisted U═O···H-C and S(e)···H-C hydrogen bonding remain the dominant interaction. Increasing the size of the chain to nBu results in only S···H-C interactions. The spectroscopic implications of these chalcogenide interactions have been explored in the vibrational and photophysical properties of the series [R4N]3[UO2(NCS)5] (R4 = Me4, Et4, nPr4, nBu4, Me3Bz, Et3Bz), [R4N]3[UO2(NCSe)5] (R4 = Me4, nPr4, Et3Bz) and [Et4N]4[UO2(NCSe)5][NCSe]. The data suggest that U═O···H-C interactions are weak and do not perturb the uranyl moiety. While the chalcogenide interactions do not influence the photophysical properties, a coupling of the U═O and δ(NCS) or δ(NCSe) vibrational modes is observed in the 77 K solid state emission spectra. A theoretical examination of representative examples of Se···Se, C-H···Se, and C-H···O═U by molecular electrostatic potentials and NBO and AIM methodologies gives a deeper understanding of these weak interactions. C-H···Se are individually weak but C-H···O═U interactions are even weaker, supporting the idea that the -yl oxo's are weak Lewis bases. An Atoms in Molecules study suggests that the chalcogenide interaction is similar to lone pair···π or fluorine···fluorine interactions. An oxidation of the NCS ligands to form [(UO2)(SO4)2(H2O)4]·3H2O was also noted.
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Affiliation(s)
- Stefano Nuzzo
- School of Chemistry , University of Dublin, Trinity College , Dublin 2 , Ireland
| | - Brendan Twamley
- School of Chemistry , University of Dublin, Trinity College , Dublin 2 , Ireland
| | - James A Platts
- School of Chemistry, Main Building , Cardiff University , Park Place , Cardiff CF10 3AT , U.K
| | - Robert J Baker
- School of Chemistry , University of Dublin, Trinity College , Dublin 2 , Ireland
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11
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Platts JA, Baker RJ. Non-covalent interactions of uranyl complexes: a theoretical study. Phys Chem Chem Phys 2018; 20:15380-15388. [DOI: 10.1039/c8cp02444h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Ab initio and DFT data quantify the ability of model uranyl complexes to engage in hydrogen- and halogen-bonding, quantifying the weakness of U–Oyl as an acceptor but the strength of equatorial OH2 as a donor.
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Affiliation(s)
- James A. Platts
- School of Chemistry
- Cardiff University
- Park Place
- Cardiff CF10 3AT
- UK
| | - Robert J. Baker
- School of Chemistry
- University of Dublin
- Trinity College
- Dublin 2
- Ireland
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12
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Xu W, Ren YN, Xie M, Zhou LX, Zheng YQ. Six uranyl-organic frameworks with naphthalene-dicarboxylic acid and bipyridyl-based spacers: syntheses, structures, and properties. Dalton Trans 2018; 47:4236-4250. [DOI: 10.1039/c7dt04909a] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Six new uranyl complexes that exhibit promising photocatalytic activities for the degradation of TC under UV light based on 1,4-naphthalene dicarboxylic acid and nitrogen-based ligands were synthesized.
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Affiliation(s)
- Wei Xu
- Joint Laboratory for Environmental Test and Photocatalytic Research of Ningbo University-Zhejiang Zhonghao Applied Engineering Technology Institute Co
- Ltd
- Research Center of Applied Solid State Chemistry
- Chemistry Institute for Synthesis and Green Application
- Ningbo University
| | - Ya-Nan Ren
- Joint Laboratory for Environmental Test and Photocatalytic Research of Ningbo University-Zhejiang Zhonghao Applied Engineering Technology Institute Co
- Ltd
- Research Center of Applied Solid State Chemistry
- Chemistry Institute for Synthesis and Green Application
- Ningbo University
| | - Miao Xie
- Joint Laboratory for Environmental Test and Photocatalytic Research of Ningbo University-Zhejiang Zhonghao Applied Engineering Technology Institute Co
- Ltd
- Research Center of Applied Solid State Chemistry
- Chemistry Institute for Synthesis and Green Application
- Ningbo University
| | - Lin-Xia Zhou
- Joint Laboratory for Environmental Test and Photocatalytic Research of Ningbo University-Zhejiang Zhonghao Applied Engineering Technology Institute Co
- Ltd
- Research Center of Applied Solid State Chemistry
- Chemistry Institute for Synthesis and Green Application
- Ningbo University
| | - Yue-Qing Zheng
- Joint Laboratory for Environmental Test and Photocatalytic Research of Ningbo University-Zhejiang Zhonghao Applied Engineering Technology Institute Co
- Ltd
- Research Center of Applied Solid State Chemistry
- Chemistry Institute for Synthesis and Green Application
- Ningbo University
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13
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Carter KP, Kalaj M, Kerridge A, Cahill CL. Probing hydrogen and halogen-oxo interactions in uranyl coordination polymers: a combined crystallographic and computational study. CrystEngComm 2018. [DOI: 10.1039/c8ce00682b] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Four uranyl compounds containing either benzoic acid (1), m-chlorobenzoic acid (2), m-bromobenzoic acid (3), or m-iodobenzoic acid (4) are described, and the latter two compounds are used to probe non-covalent interaction strengths via structural, vibrational, and computational means.
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Affiliation(s)
- Korey P. Carter
- Department of Chemistry
- The George Washington University
- Washington, D.C. 20052
- USA
| | - Mark Kalaj
- Department of Chemistry
- The George Washington University
- Washington, D.C. 20052
- USA
| | - Andrew Kerridge
- Department of Chemistry
- Lancaster University
- Lancaster LA1 4YB
- UK
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14
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Kalaj M, Carter KP, Cahill CL. Isolating Equatorial and Oxo Based Influences on Uranyl Vibrational Spectroscopy in a Family of Hybrid Materials Featuring Halogen Bonding Interactions with Uranyl Oxo Atoms. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700788] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Mark Kalaj
- Department of Chemistry The George Washington University 800 22nd Street, NW 20052 Washington D.C. USA
| | - Korey P. Carter
- Department of Chemistry The George Washington University 800 22nd Street, NW 20052 Washington D.C. USA
| | - Christopher L. Cahill
- Department of Chemistry The George Washington University 800 22nd Street, NW 20052 Washington D.C. USA
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15
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Carter KP, Kalaj M, Surbella RG, Ducati LC, Autschbach J, Cahill CL. Engaging the Terminal: Promoting Halogen Bonding Interactions with Uranyl Oxo Atoms. Chemistry 2017; 23:15355-15369. [DOI: 10.1002/chem.201702744] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Indexed: 12/22/2022]
Affiliation(s)
- Korey P. Carter
- Department of Chemistry The George Washington University 800 22nd Street, NW Washington DC 20052 USA
| | - Mark Kalaj
- Department of Chemistry The George Washington University 800 22nd Street, NW Washington DC 20052 USA
| | - Robert G. Surbella
- Department of Chemistry The George Washington University 800 22nd Street, NW Washington DC 20052 USA
| | - Lucas C. Ducati
- Department of Fundamental Chemistry Institute of Chemistry University of São Paulo P.O. Box 26077 São Paulo SP 05513-970 Brazil
| | - Jochen Autschbach
- Department of Chemistry University at Buffalo State University of New York Buffalo NY 14260 USA
| | - Christopher L. Cahill
- Department of Chemistry The George Washington University 800 22nd Street, NW Washington DC 20052 USA
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