David P. Mills

Area of research

Materials Chemistry · Organic Chemistry

Research interest

Research topics from publications: Isolation and electronic structures of derivatized manganocene, ferrocene and cobaltocene anions; Stabilization of Pu(IV) in PuBr4(OPCy3)2 and Comparisons with Structurally Similar ThX4(OPR3)2 (R = Cy, Ph) Molecules; Direct characterisation of mJ = ±15/2 ground state in octahedral Dy(iii) single-molecule magnets. Representative work: The pursuit of a trivalent plutonium halide phosphine oxide compound, e.g., “PuBr3(OPR)3,” instead led to the isolation of the tetravalent trans-PuIVBr4(OPCy3)2, PuBr/Cy, compound by spontaneous oxidation of PuIII. The donating nature of phosphine oxides has allowed the isolation and characterization of PuBr/Cy by crystallographic, multinuclear NMR, solid state, and solution phase UV–vis-NIR spectroscopic techniques. The presence of a putative plutonyl(VI) complex formulated as “trans-PuVIO2Br2(OPCy3)2” was also observed spectroscopically and tentatively by single-crystal X-ray diffraction as a cocrystal of PuBr/Cy. A series of trans-ThX4(OPCy3)2 (X = Cl, ThCl/Cy; Br, ThBr/Cy; I, ThI/Cy) com The magnetic ground states of two dysprosium bis-aryloxide single-molecule magnets are probed by EPR spectroscopy, magnetometry and ab initio calculations

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