Crystal Structure of Double Lithium Neptunium(V) Carbonate Dihydrate LiNpO2CO3·2H2O |
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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: | According to the data of X-ray diffraction analysis, the structure of LiNpO2CO3·2H2O is built of LiNpO2CO3H2O]n layers, arranged perpendicularly to the 001] direction, and of crystallization water molecules. The layers are based on mixed cation-anion trigonal networks; Np(V) occurs in the hexagonalbipyramidal environment with three bidentate CO3
2
- ions coordinated in the equatorial plane of the bipyramid. The coordination capacity of anions is 6 and 3 with regard to Np and Li, respectively. |
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