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Structure of the double formate KNpO |
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| Authors: | I. A. Charushnikova N. N. Krot Z. A. Starikova F. M. Dolgushin I. N. Polyakova |
| Affiliation: | (1) Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, Russia;(2) Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia;(3) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia |
| Abstract: | KNpO2(OOCH)2 was isolated from neutral Np(V) solutions with a high concentration of potassium formate. The crystal structure of this compound was determined. The structure consists of infinite anionic chains [NpO2(OOCH)2] n n? . Potassium cations are located between these chains. The Np coordination polyhedron is a hexagonal bipyramid whose equatorial plane is formed by the oxygen atoms of four HCOO? ions. The Np bipyramids in the chains are bound via common equatorial edges. The anionic chains in the structures of KNpO2(OOCH)2 and NH4NpO2(OOCH)2 studied previously have similar composition but different structure. |
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