Crystal Structure of a Double Oxalate of Np(V) and Co(NH3) |
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| Authors: | I. A. Charushnikova N. N. Krot I. N. Polyakova |
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| Affiliation: | (1) Institute of Physical Chemistry, Russian Academy of Sciences, Moscow, Russia;(2) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia |
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| Abstract: | The crystal structure of a dioxalate complex Co(NH3)6NpO2(C2O4)2·1.5H2O was studied. The structure consists of centrosymmetrical dimeric anions [NpO2(C2O4)2] 2 6− , [Co(NH3)6]3+ cations, and water molecules of crystallization. The NpO 2 + dioxocations have close Np-O bond lengths (average 1.824 Å) and are noticeably bent (ONpO angle 175.6°). Each dioxocation in the [NpO2(C2O4)2] 2 6− anion is surrounded by five oxygen atoms of three C2O 4 2− anions; the Np coordination polyhedra are pentagonal bipyramids sharing a common edge. __________ Translated from Radiokhimiya, Vol. 47, No. 6, 2005, pp. 495–499. Original Russian Text Copyright ? 2005 by Charushnikova, Krot, Polyakova. |
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