Synthesis and X-ray diffraction study of complex neptunium(VI) potassium chromate K2[(NpO2)2(CrO4)3(H2O)] · 3H2O |
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| Authors: | M S Grigor&#;ev A M Fedoseev N A Budantseva A A Bessonov and J -C Krupa |
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| Institution: | (1) Institute of Physical Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia;(2) Institute of Nuclear Physics, Orsay Cedex, 91406, France |
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| Abstract: | The crystal structure of the K2(NpO2)2(CrO4)3(H2O)] · 3H2O compound was established. The structure consists of anionic layers (NpO2)2(CrO4)3(H2O)]
n
2n
, between which K+ ions and crystallization water molecules are located. The coordination polyhedra of Np atoms are distorted
pentagonal bipyramids. All chromate ions are bound in a tridentate-bridging fashion.
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Translated from Kristallografiya, Vol. 49, No. 4, 2004, pp. 676–680.
Original Russian Text Copyright ? 2004 by Grigor’ev, Fedoseev, Budantseva, Bessonov, Krupa. |
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