Journal
CHEMICAL COMMUNICATIONS
Volume 50, Issue 40, Pages 5361-5363Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc46486e
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Funding
- Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, Early Career Research Program of the U.S. Department of Energy [DE-SC0006518, DE-FG02-11ER16239]
- University of Pennsylvania and the Research Corporation for Science Advancement (Cottrell Scholar Award)
- U.S. National Science Foundation [CHE-0131132, OCI-1053575]
- Extreme Science and Engineering Discovery Environment (XSEDE)
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Reaction of N-phenyl-pivalohydroxamic acid with Ce-III precursors leads to a homoleptic hydroxamate complex: Ce-IV[(BuC)-Bu-t(O)N(O) Ph](4). Electrochemical experiments indicate a significant stabilization of the Ce-IV cation at E-p,E-c = -1.20 V versus SCE in the hydroxamate ligand framework. The spontaneous oxidation of Ce-III in a hydroxamate ligand field is discussed in the context of beneficiation of the light rare earths from the fluorocarbonate mineral bastnasite.
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