Isolation of a TMTAA-Based Radical in Uranium bis-TMTAA Complexes

Hohloch, Stephan; Garner, Mary E.; Booth, Corwin H.; Lukens, Wayne W.; Gould, Colin A.; Lussier, Daniel J.; Maron, Laurent; Arnold, John

doi:10.1002/anie.201810971

Title: Isolation of a TMTAA-Based Radical in Uranium bis-TMTAA Complexes

Journal Article · 16 October 2018 · Angewandte Chemie (International Edition)

DOI: https://doi.org/10.1002/anie.201810971 · OSTI ID:1574321

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Univ. of California, Berkeley, CA (United States); Univ. of Paderborn (Germany)
Univ. of California, Berkeley, CA (United States)
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Université de Toulouse (France)

Here, we report the synthesis, characterization, and electronic structure studies of a series of thorium(IV) and uranium(IV) bis-tetramethyltetraazaannulene complexes. These sandwich complexes demonstrate remarkable stability towards air and moisture, even at elevated temperatures. Electrochemical studies show the uranium complex to be stable in three different oxidation states; isolation of the oxidized species revealed a rare case of a non-innocent TMTAA ligand.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: National Science Foundation (NSF); USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Chemical Sciences, Geosciences & Biosciences Division

Grant/Contract Number:: AC02-05CH11231

OSTI ID:: 1574321

Journal Information:: Angewandte Chemie (International Edition), Journal Name: Angewandte Chemie (International Edition) Journal Issue: 49 Vol. 57; ISSN 1433-7851

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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Structure and magnetism of a tetrahedral uranium( iii ) β-diketiminate complex Boreen, Michael A.; Gould, Colin A.; Booth, Corwin H. Dalton Transactions, Vol. 49, Issue 23 https://doi.org/10.1039/d0dt01599g	journal	January 2020

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
TMTAA
macrocycles
non-innocent ligands
thorium
uranium

CCDC 1412405: Experimental Crystal Structure Determination Hohloch, Stephan; Garner, Mary E.; Booth, Corwin H. https://doi.org/10.5517/ccdc.csd.cc1jdqg3 The current record is supplemented by this dataset	dataset	January 2019
CCDC 1414028: Experimental Crystal Structure Determination Hohloch, Stephan; Garner, Mary E.; Booth, Corwin H. https://doi.org/10.5517/ccdc.csd.cc1jgdt6 The current record is supplemented by this dataset	dataset	January 2019
CCDC 1488209: Experimental Crystal Structure Determination Hohloch, Stephan; Garner, Mary E.; Booth, Corwin H. https://doi.org/10.5517/ccdc.csd.cc1lylrw The current record is supplemented by this dataset	dataset	January 2019
CCDC 1516432: Experimental Crystal Structure Determination Hohloch, Stephan; Garner, Mary E.; Booth, Corwin H. https://doi.org/10.5517/ccdc.csd.cc1mwz5n The current record is supplemented by this dataset	dataset	January 2019
CCDC 1520550: Experimental Crystal Structure Determination Hohloch, Stephan; Garner, Mary E.; Booth, Corwin H. https://doi.org/10.5517/ccdc.csd.cc1n180z The current record is supplemented by this dataset	dataset	January 2019