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Morrison G, Hines AT, Jones VG, Zamorano KP, Adams EN, Smith MD, Zur Loye HC. Flux Synthesis of Alkaline-Earth Lanthanide Borates as Potential Nuclear Waste Forms. Inorg Chem 2024; 63:15359-15367. [PMID: 39115323 DOI: 10.1021/acs.inorgchem.4c02297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/20/2024]
Abstract
Neodymium is typically considered the best surrogate for trivalent americium and can be used to identify Am3+ containing materials that are likely to form. We have explored the alkaline-earth lanthanide borate phase space using alkaline-earth halide/carbonate fluxes. This resulted in the synthesis of new compounds AE5Ln(BO3)4X (AE = Ca, Sr; Ln = Pr, Nd, Eu, Tb; X = Cl, Br) and AE3Ln2(BO3)4 (AE = Sr, Ba; Ln = Pr, Nd) as well as the synthesis of two compounds of Ba8Ln2(BO3)6(B2O5) (Ln = Eu, Tb) crystallizing in a new structure type. Ba8Ln2(BO3)6(B2O5) crystallizes in the space group P21/n with lattice parameters a = 8.6002(3) Å, b = 7.9245(3) Å, c = 17.6697(7) Å, and β = 91.3560(10)° for the Eu analogue, and the structure contains isolated LnO8 polyhedra connected into a framework by BO3 and B2O5 units. The fluorescence emission spectra of AE5Ln(BO3)4X (AE = Ca, Sr; Ln = Eu, Tb; X = Cl, Br) and Ba8Ln2(BO3)6(B2O5) (Ln = Eu, Tb) are reported.
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Affiliation(s)
- Gregory Morrison
- Center for Hierarchical Waste form Materials, Columbia, South Carolina 29208, United States
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Adrian T Hines
- Center for Hierarchical Waste form Materials, Columbia, South Carolina 29208, United States
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Virginia G Jones
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - K Pilar Zamorano
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Ethan N Adams
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Mark D Smith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Hans-Conrad Zur Loye
- Center for Hierarchical Waste form Materials, Columbia, South Carolina 29208, United States
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
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2
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Gomez Martinez D, Sperling JM, Beck NB, Wineinger HB, Brannon JP, Whitefoot MA, Horne GP, Albrecht-Schönzart TE. Comparison of Americium(III) and Neodymium(III) Monothiophosphate Complexes. Inorg Chem 2024; 63:9237-9244. [PMID: 38722713 DOI: 10.1021/acs.inorgchem.4c00869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
Mixed-donor ligands, such as those containing a combination of O/N or O/S, have been studied extensively for the selective extraction of trivalent actinides, especially Am3+ and Cm3+, from lanthanides during the recycling of used nuclear fuel. Oxygen/sulfur donor ligand combinations also result from the hydrolytic and/or radiolytic degradation of dithiophosphates, such as the Cyanex class of extractants, which are initially converted to monothiophosphates. To understand potential differences between the binding of such degraded ligands to Nd3+ and Am3+, the monothiophosphate complexes [M(OPS(OEt)2)5(H2O)2]2- (M3+ = Nd3+, Am3+) were prepared and characterized by single-crystal X-ray diffraction and optical spectroscopy and studied as a function of pressure up to ca. 14 GPa using diamond-anvil techniques. Although Nd3+ and Am3+ have nearly identical eight-coordinated ionic radii, these structures reveal that while the M-O bond distances in these complexes are almost equal, the M-S distances are statistically different. Moreover, for [Nd(OPS(OEt)2)5(H2O)2]2-, the hypersensitive 4I9/2 → 4G5/2 transition shifts as a function of pressure by -11 cm-1/GPa. Whereas for [Am(OPS(OEt)2)5(H2O)2]2-, the 7F0 → 7F6 transition shows a slightly stronger pressure dependence with a shift of -13 cm-1/GPa and also exhibits broadening of the 5f → 5f transitions at high pressures. These data likely indicate an increased involvement of the 5f orbitals in bonding with Am3+ relative to that of Nd3+ in these complexes.
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Affiliation(s)
- Daniela Gomez Martinez
- Department of Chemistry and Nuclear Science and Engineering Center, Colorado School of Mines, Golden, Colorado 80401, United States
| | - Joseph M Sperling
- Department of Chemistry and Nuclear Science and Engineering Center, Colorado School of Mines, Golden, Colorado 80401, United States
| | - Nicholas B Beck
- Department of Chemistry and Nuclear Science and Engineering Center, Colorado School of Mines, Golden, Colorado 80401, United States
| | - Hannah B Wineinger
- Department of Chemistry and Nuclear Science and Engineering Center, Colorado School of Mines, Golden, Colorado 80401, United States
| | - Jacob P Brannon
- Department of Chemistry and Nuclear Science and Engineering Center, Colorado School of Mines, Golden, Colorado 80401, United States
| | - Megan A Whitefoot
- Department of Chemistry and Nuclear Science and Engineering Center, Colorado School of Mines, Golden, Colorado 80401, United States
| | - Gregory P Horne
- Center for Radiation Chemistry Research, Idaho National Laboratory, Idaho Falls, P.O. Box 1625, Idaho 83415, United States
| | - Thomas E Albrecht-Schönzart
- Department of Chemistry and Nuclear Science and Engineering Center, Colorado School of Mines, Golden, Colorado 80401, United States
- Center for Radiation Chemistry Research, Idaho National Laboratory, Idaho Falls, P.O. Box 1625, Idaho 83415, United States
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3
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Nicholas AD, Arteaga A, Ducati LC, Buck EC, Autschbach J, Surbella RG. Insight into the Structural and Emissive Behavior of a Three-Dimensional Americium(III) Formate Coordination Polymer. Chemistry 2023; 29:e202300077. [PMID: 36973189 DOI: 10.1002/chem.202300077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/24/2023] [Accepted: 03/27/2023] [Indexed: 03/29/2023]
Abstract
We report the structural, vibrational, and optical properties of americium formate (Am(CHO2 )3 ) crystals synthesized via the in situ hydrolysis of dimethylformamide (DMF). The coordination polymer features Am3+ ions linked by formate ligands into a three-dimensional network that is isomorphous to several lanthanide analogs, (e. g., Eu3+ , Nd3+ , Tb3+ ). Structure determination revealed a nine-coordinate Am3+ metal center that features a unique local C3v symmetry. The metal-ligand bonding interactions were investigated by vibrational spectroscopy, natural localized molecular orbital calculations, and the quantum theory of atoms in molecules. The results paint a predominantly ionic bond picture and suggest the metal-oxygen bonds increase in strength from Nd-O
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Affiliation(s)
- Aaron D Nicholas
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, WA, 99354, USA
| | - Ana Arteaga
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, WA, 99354, USA
| | - Lucas C Ducati
- Department of Fundamental Chemistry Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, 05508-000, Brazil
| | - Edgar C Buck
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, WA, 99354, USA
| | - Jochen Autschbach
- Department of Chemistry, University at Buffalo State University of New York, Buffalo, NY, 14260-3000, USA
| | - Robert G Surbella
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, WA, 99354, USA
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4
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Villa-Aleman E, Christian JH, Darvin JR, Foley BJ, Dick DD, Fallin B, Fessler KAS. Diffuse Reflectance Spectroscopy and Principal Component Analysis to Retrospectively Determine Production History of Plutonium Dioxide. APPLIED SPECTROSCOPY 2023; 77:449-456. [PMID: 36464665 DOI: 10.1177/00037028221145724] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Diffuse reflectance spectroscopy measurements in the shortwave infrared (930-1600 nm) spectral region were acquired for Pu2(C2O4)3•9H2O and its thermal decomposition product, PuO2. We analyzed a total of eight PuO2 samples that were produced at different calcination temperatures (300, 350, 450, 525, 600, 675, 750, and 900 °C). Our goal was to identify spectroscopic fingerprints that could be used to gain retrospective information regarding the production parameters of these important nuclear compounds. The diffuse reflectance spectrum of Pu2(C2O4)3•9H2O features several broad bands that currently preclude detailed analysis. However, all PuO2 samples produced relatively sharp spectral features that got sharper and more intense for samples that were produced at higher calcination temperatures. The electronic band observed at 1433 nm in the diffuse reflectance spectra of PuO2 was found to be a sensitive indicator of crystallinity; a result that is corroborated by ancillary Raman spectroscopy measurements. Principal component analysis of diffuse reflectance spectra was able to clearly rank and categorize PuO2 samples based on the calcination temperature that was employed during their production. Thus, we show herein that important retrospective information pertaining to the process history of PuO2 can be gained through the relatively simplistic combination of diffuse reflectance spectroscopy and principal component analysis. This discovery presents a new method for determining the provenance and process history of PuO2 and should have an impact in the fields of nuclear forensics and nuclear nonproliferation.
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Affiliation(s)
| | | | | | | | - Don D Dick
- Savannah River National Laboratory, Aiken, SC, USA
| | - Brent Fallin
- Savannah River National Laboratory, Aiken, SC, USA
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5
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Arteaga A, Nicholas AD, Ducati LC, Autschbach J, Surbella RG. Americium Oxalate: An Experimental and Computational Investigation of Metal-Ligand Bonding. Inorg Chem 2023; 62:4814-4822. [PMID: 36920249 DOI: 10.1021/acs.inorgchem.2c03976] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
A novel actinide-containing coordination polymer, [Am(C2O4)(H2O)3Cl] (Am-1), has been synthesized and structurally characterized. The crystallographic analysis reveals that the structure is two-dimensional and comprised of pseudo-dimeric Am3+ nodes that are bridged by oxalate ligands to form sheets. Each metal center is nine-coordinate, forming a distorted capped square antiprism geometry with a C1 symmetry, and features bound oxalate, aqua, and chloro ligands. The Am3+-ligand bonds were probed computationally using the quantum theory of atoms in molecules nd natural localized molecular orbital approaches to investigate the underlying mechanisms and hybrid atomic orbital contributions therein. The analyses indicate that the bonds within Am-1 are predominantly ionic and the 5f shell of the Am3+ metal centers does not add a significant covalent contribution to the bonds. Our bonding assessment is supported by measurements on the optical properties of Am-1 using diffuse reflectance and photoluminescence spectroscopies. The position of the principal absorption band at 507 nm (5L6' ← 7F0') is notable because it is consistent with previously reported americium oxalate complexes in solution, indicating similarities in the electronic structure and ionic bonding. Compound Am-1 is an active phosphor, featuring strong bright-blue oxalate-based luminescence with no evidence of metal-centered emission.
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Affiliation(s)
- Ana Arteaga
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, Washington 99354, United States
| | - Aaron D Nicholas
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, Washington 99354, United States
| | - Lucas C Ducati
- Department of Fundamental Chemistry Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, São Paulo 05508-000, Brazil
| | - Jochen Autschbach
- Department of Chemistry, University at Buffalo, State University of New York, 312 Natural Sciences Complex, Buffalo, New York 14260, United States
| | - Robert G Surbella
- Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, Washington 99354, United States
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6
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Tamain C, Autillo M, Guillaumont D, Guérin L, Wilson RE, Berthon C. Structural and Bonding Analysis in Monomeric Actinide(IV) Oxalate from Th(IV) to Pu(IV): Comparison with the An(IV) Nitrate Series. Inorg Chem 2022; 61:12337-12348. [PMID: 35881850 DOI: 10.1021/acs.inorgchem.2c01674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Single-crystal X-ray diffraction (SC-XRD) structures and Raman spectra of a series of new isomorphous molecular An(IV)-oxalate compounds (Th, U, Np, and Pu) are reported. These complexes are crystallized with cobalt(III) hexamine ([Co(NH3)6]3+) as the counter cations, [Co(NH3)6]2[An(C2O4)5]·4H2O, revealing five bidentate nonbridging oxalate ligands in the first coordination sphere (CN = 10). The nonbridging oxalate is rather uncommon for An(IV)-oxalate systems, which are widely characterized as polymeric compounds. Density functional theory (DFT) calculations were performed to examine the bonding between An(IV) cations and oxalate ligands. For comparison, we also report results obtained for the An(IV)-hexanitrate series, [(C2H5)4N]2[An(NO3)6] (with An = Th, U, Np, Pu, and Ce), which consists of O-donor ligands as well but with a larger coordination number (CN = 12). The bonding analysis confirms that the actinide-oxygen bond is predominantly ionic with a minor increase in covalency from Th to U and slight variations from U to Pu. Further comparison showed that the charge transfer increases slightly when increasing the number of anions in the coordination sphere (C2O42-: CN = 10; NO3-: CN = 12), but covalent effects as indicated by the amount of internuclear electron density accumulation are small and similar for oxalate and nitrate.
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Affiliation(s)
| | | | | | - Laetitia Guérin
- CEA, DES, ISEC, DMRC, Univ Montpellier, 34000 Marcoule, France
| | - Richard E Wilson
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Claude Berthon
- CEA, DES, ISEC, DMRC, Univ Montpellier, 34000 Marcoule, France
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7
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Kim HK, Lee DW, Park S, Chang Jung E, Lim SH, Cha W, Cho HR. Structural and spectroscopic studies of spontaneously formed crystalline Eu(iii)-aliphatic dicarboxylates at room temperature. RSC Adv 2022; 12:4047-4053. [PMID: 35425458 PMCID: PMC8981011 DOI: 10.1039/d1ra07565a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 01/20/2022] [Indexed: 11/28/2022] Open
Abstract
Complexation of actinides and lanthanides with carboxylic organic ligands is a critical issue affecting radionuclide migration from deep geological disposal systems of spent nuclear fuel. A series of Eu(iii)-aliphatic dicarboxylate compounds, as chemical analogs of radioactive Am(iii) species, Eu2(Ox)3(H2O)6, Eu2(Mal)3(H2O)6, and Eu2(Suc)3(H2O)2, were synthesized and characterized using X-ray crystallography and time-resolved laser fluorescence spectroscopy to examine the ligand-dependent binding modes and the corresponding changes in spectroscopic properties. Powder X-ray crystallography results confirmed that all of the compounds presented a crystalline polymer structure with a trigonal prism square-face tricapped polyhedron geometry centered on Eu(iii) in a nine-coordinate environment involving nine oxygen atoms. This study captures the transition of the coordination modes of aliphatic dicarboxylate ligands from side-on to end-on binding as the carbon chain length increases. This transition is illustrated in malonate bindings involving a combination of side-on and end-on modes. Strongly enhanced luminescence, especially for the hypersensitive peak, indicates a low site symmetry in the formation of solid compounds. The number of remaining bound water molecules was estimated from the resultant increased luminescence lifetimes, which were in good agreement with crystal structures. The excitation-emission matrix spectra of these crystalline polymers suggest that Ox ligands promote the sensitized luminescence of Eu(iii), especially in the UV region. In the case of Mal and Suc ligands, charge transfer occurs in the opposite direction from Eu(iii) to the ligands under UV excitation, resulting in weaker luminescence.
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Affiliation(s)
- Hee-Kyung Kim
- Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute Daejeon 34057 Republic of Korea
| | - Dong Woo Lee
- Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute Daejeon 34057 Republic of Korea
| | - Sojeong Park
- Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute Daejeon 34057 Republic of Korea
| | - Euo Chang Jung
- Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute Daejeon 34057 Republic of Korea
| | - Sang Ho Lim
- Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute Daejeon 34057 Republic of Korea
| | - Wansik Cha
- Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute Daejeon 34057 Republic of Korea
| | - Hye-Ryun Cho
- Nuclear Chemistry Research Team, Korea Atomic Energy Research Institute Daejeon 34057 Republic of Korea
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8
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Vigier JF, Freis D, Walter O, Dieste Blanco O, Bouëxière D, Zuleger E, Palina N, Vitova T, Konings RJM, Popa K. Synthesis and characterization of homogeneous (U,Am)O 2 and (U,Pu,Am)O 2 nanopowders. CrystEngComm 2022; 24:6338-6348. [PMID: 36275942 PMCID: PMC9486969 DOI: 10.1039/d2ce00527a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/11/2022] [Indexed: 12/31/2022]
Abstract
This paper details the first dedicated production of homogeneous nanocrystalline particles of mixed actinide oxide solid solutions containing americium. The target compositions were U0.75Pu0.20Am0.05O2, U0.90Am0.10O2 and U0.80Am0.20O2. After successful hydrothermal synthesis and chemical characterisation, the nanocrystals were sintered and their structure and behaviour under self-irradiation were studied by powder XRD. Cationic charge distribution of the as-prepared nanocrystalline and sintered U0.80Am0.20O2 materials was investigated applying U M4 and Am M5 edge high energy resolution XANES (HR-XANES). Typical oxidation states detected for the cations are U(iv)/U(v) and Am(iii)/Am(iv). The measured crystallographic swelling was systematically smaller for the as-synthesised nanoparticles than the sintered products. For sintered pellets, the maximal volumetric swelling was about 0.8% at saturation, in line with literature data for PuO2, AmO2, (U,Pu)O2 or (U,Am)O2. Sinterable homogeneous nanoparticles of [U,(Pu),Am]O2 are produced hydrothermally from corresponding oxalates. The uranium and americium oxidation states are diverse in both as-synthesized nanopowders and sintered materials.![]()
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Affiliation(s)
| | - Daniel Freis
- European Commission, Joint Research Centre (JRC), Karlsruhe, Germany
| | - Olaf Walter
- European Commission, Joint Research Centre (JRC), Karlsruhe, Germany
| | | | - Daniel Bouëxière
- European Commission, Joint Research Centre (JRC), Karlsruhe, Germany
| | - Evelyn Zuleger
- European Commission, Joint Research Centre (JRC), Karlsruhe, Germany
| | - Natalia Palina
- Institute for Nuclear Waste Disposal (INE), Karlsruhe Institute of Technology, P.O. 3640, D-76021 Karlsruhe, Germany
| | - Tonya Vitova
- Institute for Nuclear Waste Disposal (INE), Karlsruhe Institute of Technology, P.O. 3640, D-76021 Karlsruhe, Germany
| | | | - Karin Popa
- European Commission, Joint Research Centre (JRC), Karlsruhe, Germany
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9
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Deblonde GJP, Zavarin M, Kersting AB. The coordination properties and ionic radius of actinium: A 120-year-old enigma. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214130] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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10
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Corbey JF, Sweet LE, Sinkov SI, Reilly DD, Parker CM, Lonergan JM, Johnson TJ. Quantitative Microstructural Characterization of Plutonium Oxalate Auto‐Degradation and Evidence for PuO
2
Nanocrystal Formation. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jordan F. Corbey
- Pacific Northwest National Laboratory 902 Battelle Boulevard Richland, WA 99352 USA
| | - Lucas E. Sweet
- Pacific Northwest National Laboratory 902 Battelle Boulevard Richland, WA 99352 USA
| | - Sergey I. Sinkov
- Pacific Northwest National Laboratory 902 Battelle Boulevard Richland, WA 99352 USA
| | - Dallas D. Reilly
- Pacific Northwest National Laboratory 902 Battelle Boulevard Richland, WA 99352 USA
| | - Cyrena M. Parker
- Pacific Northwest National Laboratory 902 Battelle Boulevard Richland, WA 99352 USA
| | - Jason M. Lonergan
- Pacific Northwest National Laboratory 902 Battelle Boulevard Richland, WA 99352 USA
| | - Timothy J. Johnson
- Pacific Northwest National Laboratory 902 Battelle Boulevard Richland, WA 99352 USA
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11
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Sperling JM, Warzecha E, Windorff CJ, Klamm BE, Gaiser AN, Whitefoot MA, White FD, Poe TN, Albrecht-Schönzart TE. Pressure-Induced Spectroscopic Changes in a Californium 1D Material Are Twice as Large as Found in the Holmium Analog. Inorg Chem 2020; 59:10794-10801. [PMID: 32648751 DOI: 10.1021/acs.inorgchem.0c01290] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this study, the synthesis, characterization, and pressure response of a 1D californium mellitate (mellitate = 1,2,3,4,5,6-benzenehexacarboxylate) coordination polymer, Cf2(mell)(H2O)10·4H2O (Cf-1), are reported. The Cf-O lengths within the crystal structure are compared to its gadolinium (Gd-1) and holmium (Ho-1) analogs as well. These data show that the average Cf-O bond distance is slightly longer than the average Gd-O bond, consistent with trends in effective ionic radii. UV-vis-NIR absorption spectra as a function of pressure were collected using diamond-anvil techniques for both Cf-1 and Ho-1. These experiments show that the Cf(III) f → f transitions have a stronger dependence on pressure than that of the holmium analog. In the former case, the shift is nearly linear with applied pressure and averages 6.6 cm-1/GPa, whereas in the latter, it is <3 cm-1/GPa.
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Affiliation(s)
- Joseph M Sperling
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Evan Warzecha
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Cory J Windorff
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Bonnie E Klamm
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Alyssa N Gaiser
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Megan A Whitefoot
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Frankie D White
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Todd N Poe
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Thomas E Albrecht-Schönzart
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
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12
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Ridenour JA, Surbella RG, Gelis AV, Koury D, Poineau F, Czerwinski KR, Cahill CL. An Americium‐Containing Metal–Organic Framework: A Platform for Studying Transplutonium Elements. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909988] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- J. August Ridenour
- Department of Chemistry The George Washington University 800 22nd St NW Washington D.C. 20052 USA
| | - Robert G. Surbella
- Pacific Northwest National Laboratory 902 Battelle Boulevard Richland WA 99354 USA
| | - Artem V. Gelis
- Radiochemistry Department of Chemistry and Biochemistry University of Nevada Las Vegas 4505 S. Maryland Pkwy Las Vegas NV 89154 USA
| | - Daniel Koury
- Radiochemistry Department of Chemistry and Biochemistry University of Nevada Las Vegas 4505 S. Maryland Pkwy Las Vegas NV 89154 USA
| | - Frederic Poineau
- Radiochemistry Department of Chemistry and Biochemistry University of Nevada Las Vegas 4505 S. Maryland Pkwy Las Vegas NV 89154 USA
| | - Kenneth R. Czerwinski
- Radiochemistry Department of Chemistry and Biochemistry University of Nevada Las Vegas 4505 S. Maryland Pkwy Las Vegas NV 89154 USA
| | - Christopher L. Cahill
- Department of Chemistry The George Washington University 800 22nd St NW Washington D.C. 20052 USA
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13
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Ridenour JA, Surbella RG, Gelis AV, Koury D, Poineau F, Czerwinski KR, Cahill CL. An Americium‐Containing Metal–Organic Framework: A Platform for Studying Transplutonium Elements. Angew Chem Int Ed Engl 2019; 58:16508-16511. [DOI: 10.1002/anie.201909988] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 09/03/2019] [Indexed: 11/08/2022]
Affiliation(s)
- J. August Ridenour
- Department of Chemistry The George Washington University 800 22nd St NW Washington D.C. 20052 USA
| | - Robert G. Surbella
- Pacific Northwest National Laboratory 902 Battelle Boulevard Richland WA 99354 USA
| | - Artem V. Gelis
- Radiochemistry Department of Chemistry and Biochemistry University of Nevada Las Vegas 4505 S. Maryland Pkwy Las Vegas NV 89154 USA
| | - Daniel Koury
- Radiochemistry Department of Chemistry and Biochemistry University of Nevada Las Vegas 4505 S. Maryland Pkwy Las Vegas NV 89154 USA
| | - Frederic Poineau
- Radiochemistry Department of Chemistry and Biochemistry University of Nevada Las Vegas 4505 S. Maryland Pkwy Las Vegas NV 89154 USA
| | - Kenneth R. Czerwinski
- Radiochemistry Department of Chemistry and Biochemistry University of Nevada Las Vegas 4505 S. Maryland Pkwy Las Vegas NV 89154 USA
| | - Christopher L. Cahill
- Department of Chemistry The George Washington University 800 22nd St NW Washington D.C. 20052 USA
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14
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Farger P, Haidon B, Roussel P, Arab-Chapelet B, Rivenet M. Crystal Growth in the Thorium-TEDGA-Oxalate-Nitrate System: Description and Comparison of the Main Structural Features. Inorg Chem 2019; 58:1267-1277. [DOI: 10.1021/acs.inorgchem.8b02744] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Pierre Farger
- Université Lille, CNRS, Centrale Lille, ENSCL, Université d’Artois, UMR 8181 - UCCS - Unité de Catalyse et de Chimie du Solide, F-59000 Lille, France
| | - Blaise Haidon
- Université Lille, CNRS, Centrale Lille, ENSCL, Université d’Artois, UMR 8181 - UCCS - Unité de Catalyse et de Chimie du Solide, F-59000 Lille, France
- CEA, Nuclear Energy Division, Research Department on Mining and Fuel Recycling Process, SFMA/LPCA, Marcoule, F-30207 Bagnols sur Cèze, France
| | - Pascal Roussel
- Université Lille, CNRS, Centrale Lille, ENSCL, Université d’Artois, UMR 8181 - UCCS - Unité de Catalyse et de Chimie du Solide, F-59000 Lille, France
| | - Bénédicte Arab-Chapelet
- CEA, Nuclear Energy Division, Research Department on Mining and Fuel Recycling Process, SFMA/LPCA, Marcoule, F-30207 Bagnols sur Cèze, France
| | - Murielle Rivenet
- Université Lille, CNRS, Centrale Lille, ENSCL, Université d’Artois, UMR 8181 - UCCS - Unité de Catalyse et de Chimie du Solide, F-59000 Lille, France
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15
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Serezhkina LB, Serezhkin VN. Stereochemistry of Bk, Cf, and Es in Oxygen-Containing Compounds. RADIOCHEMISTRY 2018. [DOI: 10.1134/s106636221805003x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Alexander D, Joy M, Thomas K, Sisira S, Biju P, Unnikrishnan N, Sudarsanakumar C, Ittyachen M, Joseph C. Efficient green luminescence of terbium oxalate crystals: A case study with Judd-Ofelt theory and single crystal structure analysis and the effect of dehydration on luminescence. J SOLID STATE CHEM 2018. [DOI: 10.1016/j.jssc.2018.02.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Popa K, Walter O, Blanco OD, Guiot A, Bouëxière D, Colle JY, Martel L, Naji M, Manara D. A low-temperature synthesis method for AnO2 nanocrystals (An = Th, U, Np, and Pu) and associate solid solutions. CrystEngComm 2018. [DOI: 10.1039/c8ce00446c] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Actinide oxalate decomposition under hot compressed water is proposed as a milder production route for nanometric sized (mixed) actinide oxides.
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Affiliation(s)
- Karin Popa
- European Commission
- D-76125 Karlsruhe
- Germany
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18
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Cross JN, Macor JA, Bertke JA, Ferrier MG, Girolami GS, Kozimor SA, Maassen JR, Scott BL, Shuh DK, Stein BW, Stieber SCE. Comparing the 2,2′‐Biphenylenedithiophosphinate Binding of Americium with Neodymium and Europium. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201606367] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
| | - Joseph A. Macor
- Los Alamos National Laboratory Los Alamos NM 87545 USA
- University of Illinois at Urbana-Champaign Urbana IL 61801 USA
| | | | | | | | | | | | | | - David K. Shuh
- Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | | | - S. Chantal E. Stieber
- Los Alamos National Laboratory Los Alamos NM 87545 USA
- California State Polytechnic University Pomona CA 91768 USA
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19
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Cross JN, Macor JA, Bertke JA, Ferrier MG, Girolami GS, Kozimor SA, Maassen JR, Scott BL, Shuh DK, Stein BW, Stieber SCE. Comparing the 2,2′‐Biphenylenedithiophosphinate Binding of Americium with Neodymium and Europium. Angew Chem Int Ed Engl 2016; 55:12755-9. [DOI: 10.1002/anie.201606367] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Indexed: 11/06/2022]
Affiliation(s)
| | - Joseph A. Macor
- Los Alamos National Laboratory Los Alamos NM 87545 USA
- University of Illinois at Urbana-Champaign Urbana IL 61801 USA
| | | | | | | | | | | | | | - David K. Shuh
- Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | | | - S. Chantal E. Stieber
- Los Alamos National Laboratory Los Alamos NM 87545 USA
- California State Polytechnic University Pomona CA 91768 USA
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