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Title: A sulphur and uranium fiesta! Synthesis, structure, and characterization of neutral terminal uranium(VI) monosulphide, uranium(VI) η2-disulphide, and uranium(IV) phosphine sulphide complexes

Abstract

Here, three new uranium species (C5Me5)2U(=N-2,6-iPr2-C6H3)(=S), (C5Me5)2U(=N-2,6-iPr2-C6H3)(η2-S2), and (C5Me5)2U(=N-2,6-iPr2-C6H3)(S=PMe3) were synthesized and fully characterized by a combination of NMR, IR, and UV/vis–NIR spectroscopies, elemental analysis, and cyclic voltammetry. The solid state structures of (C5Me5)2U(=N-2,6-iPr2-C6H3)(=S) and (C5Me5)2U(=N-2,6-iPr2-C6H3)(η2-S2) were also determined. The compound (C5Me5)2U(=N-2,6-iPr2-C6H3)(=S) is the first neutral uranium complex with a terminal sulphido ligand, and (C5Me5)2U(=N-2,6-iPr2-C6H3)(S=PMe3) is the first uranium compound with a coordinated phosphine sulphide ligand. The phosphine sulphide adduct, (C5Me5)2U(=N-2,6-iPr2-C6H3)(S=PMe3), can be synthesized either by reaction of the uranium(IV) complex (C5Me5)2U(=N-2,6-iPr2-C6H3)(thf) with S=PMe3 or by the reaction of the uranium(VI) terminal sulphido complex (C5Me5)2U(=N-2,6-iPr2-C6H3)(=S) with PMe3.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA); LANL Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1477702
Alternate Identifier(s):
OSTI ID: 1475464
Report Number(s):
LA-UR-18-26567
Journal ID: ISSN 1477-9226
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Dalton Transactions
Additional Journal Information:
Journal Volume: 48; Journal ID: ISSN 1477-9226
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Pagano, Justin K., Arney, David S. J., Scott, Brian L., Morris, David E., Kiplinger, Jaqueline L., and Burns, Carol J. A sulphur and uranium fiesta! Synthesis, structure, and characterization of neutral terminal uranium(VI) monosulphide, uranium(VI) η2-disulphide, and uranium(IV) phosphine sulphide complexes. United States: N. p., 2018. Web. doi:10.1039/C8DT02932F.
Pagano, Justin K., Arney, David S. J., Scott, Brian L., Morris, David E., Kiplinger, Jaqueline L., & Burns, Carol J. A sulphur and uranium fiesta! Synthesis, structure, and characterization of neutral terminal uranium(VI) monosulphide, uranium(VI) η2-disulphide, and uranium(IV) phosphine sulphide complexes. United States. https://doi.org/10.1039/C8DT02932F
Pagano, Justin K., Arney, David S. J., Scott, Brian L., Morris, David E., Kiplinger, Jaqueline L., and Burns, Carol J. Wed . "A sulphur and uranium fiesta! Synthesis, structure, and characterization of neutral terminal uranium(VI) monosulphide, uranium(VI) η2-disulphide, and uranium(IV) phosphine sulphide complexes". United States. https://doi.org/10.1039/C8DT02932F. https://www.osti.gov/servlets/purl/1477702.
@article{osti_1477702,
title = {A sulphur and uranium fiesta! Synthesis, structure, and characterization of neutral terminal uranium(VI) monosulphide, uranium(VI) η2-disulphide, and uranium(IV) phosphine sulphide complexes},
author = {Pagano, Justin K. and Arney, David S. J. and Scott, Brian L. and Morris, David E. and Kiplinger, Jaqueline L. and Burns, Carol J.},
abstractNote = {Here, three new uranium species (C5Me5)2U(=N-2,6-iPr2-C6H3)(=S), (C5Me5)2U(=N-2,6-iPr2-C6H3)(η2-S2), and (C5Me5)2U(=N-2,6-iPr2-C6H3)(S=PMe3) were synthesized and fully characterized by a combination of NMR, IR, and UV/vis–NIR spectroscopies, elemental analysis, and cyclic voltammetry. The solid state structures of (C5Me5)2U(=N-2,6-iPr2-C6H3)(=S) and (C5Me5)2U(=N-2,6-iPr2-C6H3)(η2-S2) were also determined. The compound (C5Me5)2U(=N-2,6-iPr2-C6H3)(=S) is the first neutral uranium complex with a terminal sulphido ligand, and (C5Me5)2U(=N-2,6-iPr2-C6H3)(S=PMe3) is the first uranium compound with a coordinated phosphine sulphide ligand. The phosphine sulphide adduct, (C5Me5)2U(=N-2,6-iPr2-C6H3)(S=PMe3), can be synthesized either by reaction of the uranium(IV) complex (C5Me5)2U(=N-2,6-iPr2-C6H3)(thf) with S=PMe3 or by the reaction of the uranium(VI) terminal sulphido complex (C5Me5)2U(=N-2,6-iPr2-C6H3)(=S) with PMe3.},
doi = {10.1039/C8DT02932F},
journal = {Dalton Transactions},
number = ,
volume = 48,
place = {United States},
year = {Wed Sep 26 00:00:00 EDT 2018},
month = {Wed Sep 26 00:00:00 EDT 2018}
}

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