Expanding uranyl peroxide cluster chemistry via the introduction of superoxide radicals

This work was supported by a Nuclear Regulatory Commission Faculty Development Grant (NRC 31310018M0042) and start-up funds from the College of Liberal Arts and Sciences and the Department of Chemistry at the University of Iowa (BL, GCB, and KPC). BL was also supported by the U.S. Department of Energy (DOE), Office of Science, Office of Workforce Development for Teachers and Scientists, Office of Science Graduate Student Research (SCGSR) program, which is administered by the Oak Ridge Institute for Science and Education (ORISE) and managed by ORAU (contract no. DE-SC0014664) for the DOE. BWS and SMG are supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Heavy Element Chemistry Program (2020LANLE372) at LANL. BWS and SMG also acknowledge the LANL Laboratory Directed Research and Development program (20230372ER) for additional support. LANL is managed by Triad National Security, LLC, for the NNSA of the U.S. Department of Energy. We want to thank Dr. Garry Buettner and Brett Wagner from the University of Iowa's Free Radical and Radiation Biology ESR facility for assistance with collecting X-band ESR spectra with various spin traps. We acknowledge the University of Iowa Materials Analysis, Testing, and Fabrication Facility which houses the single crystal and powder X-ray diffractometers and the Raman microscope used in this study. Single crystal XRD data was collected on an instrument funded by NSF Award CHE-1828117. We also acknowledge the University of Iowa Central NMR Facility for enabling collection of 19F NMR data, which was collected on a spectrometer that was supported by funding from the University of Iowa.