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Synthesis of New Crystalline Pu(V) Compounds from Solutions: VIII. Structure and Properties of Double Pu(V) Malonates MPuO2(OOC)2CH2 · nH2O (M = Na, NH4, Cs)

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Abstract

Preparation conditions and properties of some double Pu(V) malonates MPuO2L · nH2O [L = CH2(COO)2; M = Na, NH4, Cs] were determined. These compounds are isostructural to the corresponding double Np(V) malonates obtained previously. The Pu(V) malonates crystallize in the form of needles from solutions with [L2−] = 0.05–0.3 M containing 0.5–2 M of salts of outer-sphere cations as salting- out agents. Dry crystals are stable for no less than 3 weeks. The IR spectra of these compounds were recorded. Their thermal behavior was studied. The outer-sphere cations presumably form ionic bonds with plutonyl(V) cations, which are weakened with an increase in the cation radius.

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REFERENCES

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, Russia

    N. N. Krot, A. A. Bessonov, M. S. Grigor'ev & V. I. Makarenkov

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  1. N. N. Krot
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  2. A. A. Bessonov
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  3. M. S. Grigor'ev
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  4. V. I. Makarenkov
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Translated from Radiokhimiya, Vol. 47, No. 5, 2005, pp. 431–433.

Original Russian Text Copyright © 2005 by Krot, Bessonov, Grigor'ev, Makarenkov.

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Krot, N.N., Bessonov, A.A., Grigor'ev, M.S. et al. Synthesis of New Crystalline Pu(V) Compounds from Solutions: VIII. Structure and Properties of Double Pu(V) Malonates MPuO2(OOC)2CH2 · nH2O (M = Na, NH4, Cs). Radiochemistry 47, 472–474 (2005). https://doi.org/10.1007/s11137-005-0121-7

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  • DOI: https://doi.org/10.1007/s11137-005-0121-7

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