In situ hydrothermal reduction of neptunium(VI) as a route to neptunium(IV) phosphonates |
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| Authors: | Bray Travis H Nelson Anna-Gay D Jin Geng Bang Haire Richard G Albrecht-Schmitt Thomas E |
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| Affiliation: | Department of Chemistry and Biochemistry and Center for Actinide Science, Auburn University, Auburn, AL 36849, USA. |
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| Abstract: | A lamellar neptunium(IV) methylphosphonate, Np(CH3PO3)(CH3PO3H)(NO3)(H2O).H2O, has been prepared under hydrothermal conditions via the in situ reduction of NpVI to NpIV. The single crystal structure of this compound shows polar layers that are joined to one another via a hydrogen-bonding network involving interlayer water molecules. Magnetic susceptibility measurements demonstrate that the NpIV ions are magnetically isolated from one another. |
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