Abstract
New double formates MPuO2(OOCH)2 (M = NH4 and K) were isolated from neutral aqueous solutions. These compounds are isostructural to the Np(V) analogs. The unit cell parameters of the salts were determined by powder X-ray diffraction. The symmetry of the crystal lattice decreases from rhombic to monoclinic in going from the ammonium to the potassium salt. The electronic absorption spectra were recorded and analyzed. The thermal behavior of the Pu(V) compounds was studied. Their IR spectra were recorded. The hexagonal bipyramidal oxygen surrounding in the solid compounds was determined. Preparation of simple Pu(V) formates was attempted. The reasons preventing preparation of these compounds were analyzed.
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Original Russian Text © N.N. Krot, A.A. Bessonov, M.S. Grigor’ev, 2007, published in Radiokhimiya, 2007, Vol. 49, No. 6, pp. 503–506.