Non-aqueous neptunium and plutonium redox behaviour in THF – access to a rare Np(III) synthetic precursor

Pattenaude, Scott A.; Anderson, Nickolas H.; Bart, Suzanne C.; Gaunt, Andrew J.; Scott, Brian L.

doi:10.1039/C8CC02611D

Title: Non-aqueous neptunium and plutonium redox behaviour in THF – access to a rare Np(III) synthetic precursor

Journal Article · Tue May 08 00:00:00 UTC 2018 · ChemComm

DOI: https://doi.org/10.1039/C8CC02611D · OSTI ID:1483513

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Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Purdue Univ., West Lafayette, IN (United States). H. C. Brown Lab., Dept. of Chemistry
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Purdue Univ., West Lafayette, IN (United States). H. C. Brown Lab., Dept. of Chemistry

Solvent exchange of NpCl₄(DME)₂ with THF proceeds simply to yield NpCl₄(THF)₃, whereas PuCl₄(DME)₂ is unstable in THF, partially decomposing to the mixed valent [Pu^IIICl₂(THF)₅][Pu^IVCl₅(THF)] salt. Reduction of NpCl₄(THF)₃ with CsC₈ ultimately afforded NpCl₃(py)₄, the only example of a structurally characterized solvated Np(III) halide. In conclusion, the method demonstrates a route to a well-defined Np(III) starting material without the need to employ scarcely available Np metal.

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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

Grant/Contract Number:: 89233218CNA000001; AC52-06NA25396; SC0008479

OSTI ID:: 1483513

Report Number(s):: LA-UR--18-22765

Journal Information:: ChemComm, Journal Name: ChemComm Journal Issue: 48 Vol. 54; ISSN CHCOFS; ISSN 1359-7345

Publisher:: Royal Society of ChemistryCopyright Statement

Country of Publication:: United States

Language:: English

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Synthesis and Utility of Neptunium(III) Hydrocarbyl Complex Myers, Alexander J.; Tarlton, Michael L.; Kelley, Steven P. Angewandte Chemie, Vol. 131, Issue 42 https://doi.org/10.1002/ange.201906324	journal	September 2019
Synthesis and Utility of Neptunium(III) Hydrocarbyl Complex Myers, Alexander J.; Tarlton, Michael L.; Kelley, Steven P. Angewandte Chemie International Edition, Vol. 58, Issue 42 https://doi.org/10.1002/anie.201906324	journal	September 2019
Enantiomerically Pure Tetravalent Neptunium Amidinates: Synthesis and Characterization Fichter, Sebastian; Kaufmann, Sebastian; Kaden, Peter Chemistry – A European Journal, Vol. 26, Issue 41 https://doi.org/10.1002/chem.202001865	journal	June 2020
Mixed-valent neptunium oligomer complexes based on cation–cation interactions Schöne, Sebastian; März, Juliane; Stumpf, Thorsten Dalton Transactions, Vol. 48, Issue 20 https://doi.org/10.1039/c9dt01056d	journal	January 2019
Enantiomerically Pure Tetravalent Neptunium Amidinates: Synthesis and Characterization Fichter, Sebastian; Kaufmann, Sebastian; Kaden, Peter Wiley https://doi.org/10.5445/ir/1000121169	text	January 2020

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