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

Solvent exchange of NpCl 4(DME) 2 with THF proceeds simply to yield NpCl 4(THF) 3, whereas PuCl 4(DME) 2 is unstable in THF, partially decomposing to the mixed valent [Pu IIICl 2(THF) 5][Pu IVCl 5(THF)] salt. Reduction of NpCl 4(THF) 3 with CsC 8 ultimately afforded NpCl 3(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.
Authors:
ORCiD logo [1] ; ORCiD logo [2] ; ORCiD logo [3] ; ORCiD logo [2] ; ORCiD logo [2]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Purdue Univ., West Lafayette, IN (United States). H. C. Brown Lab., Dept. of Chemistry
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Purdue Univ., West Lafayette, IN (United States). H. C. Brown Lab., Dept. of Chemistry
Publication Date:
Report Number(s):
LA-UR-18-22765
Journal ID: ISSN 1359-7345; CHCOFS
Grant/Contract Number:
89233218CNA000001; AC52-06NA25396; SC0008479
Type:
Accepted Manuscript
Journal Name:
ChemComm
Additional Journal Information:
Journal Volume: 54; Journal Issue: 48; Journal ID: ISSN 1359-7345
Publisher:
Royal Society of Chemistry
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
OSTI Identifier:
1483513
Alternate Identifier(s):
OSTI ID: 1436357

Pattenaude, Scott A., Anderson, Nickolas H., Bart, Suzanne C., Gaunt, Andrew J., and Scott, Brian L.. Non-aqueous neptunium and plutonium redox behaviour in THF – access to a rare Np(III) synthetic precursor. United States: N. p., Web. doi:10.1039/C8CC02611D.
Pattenaude, Scott A., Anderson, Nickolas H., Bart, Suzanne C., Gaunt, Andrew J., & Scott, Brian L.. Non-aqueous neptunium and plutonium redox behaviour in THF – access to a rare Np(III) synthetic precursor. United States. doi:10.1039/C8CC02611D.
Pattenaude, Scott A., Anderson, Nickolas H., Bart, Suzanne C., Gaunt, Andrew J., and Scott, Brian L.. 2018. "Non-aqueous neptunium and plutonium redox behaviour in THF – access to a rare Np(III) synthetic precursor". United States. doi:10.1039/C8CC02611D.
@article{osti_1483513,
title = {Non-aqueous neptunium and plutonium redox behaviour in THF – access to a rare Np(III) synthetic precursor},
author = {Pattenaude, Scott A. and Anderson, Nickolas H. and Bart, Suzanne C. and Gaunt, Andrew J. and Scott, Brian L.},
abstractNote = {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 [PuIIICl2(THF)5][PuIVCl5(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.},
doi = {10.1039/C8CC02611D},
journal = {ChemComm},
number = 48,
volume = 54,
place = {United States},
year = {2018},
month = {5}
}

Works referenced in this record:

Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides
journal, September 1976