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Synthesis and crystal structure of Ag2[(UO2)6(MoO4)7(H2O)2](H2O)2

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Abstract

The compound Ag2[(UO2)6(MoO4)7(H2O)2](H2O)2 was prepared at 220°С in the course of hydrothermal synthesis. The phase crystallizes in the rhombic system, space group Pbcm, а = 14.1309(9), b = 10.6595(7), c = 25.8281(16) Å, V = 3890.44 Å3. The crystal structure was solved by direct methods and refined to R 1 = 0.049 for 4394 reflections with Fo > 4σ(Fo) and 0.1025 for all the 8239 reflections. The structure is based on a framework constituted by UO7 and MoO4 polyhedra sharing common vertices. In the framework, there are two systems of channels occupied by Ag+ cations and water molecules and oriented along [001] and [010].

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Authors and Affiliations

  1. St. Petersburg State University, Universitetskaya nab. 7/9, St. Petersburg, 199034, Russia

    E. V. Nazarchuk, O. I. Siidra & S. V. Krivovichev

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  1. E. V. Nazarchuk
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  2. O. I. Siidra
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  3. S. V. Krivovichev
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Correspondence to E. V. Nazarchuk.

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Original Russian Text © E.V. Nazarchuk, O.I. Siidra, S.V. Krivovichev, 2016, published in Radiokhimiya, 2016, Vol. 58, No. 1, pp. 3–7.

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Nazarchuk, E.V., Siidra, O.I. & Krivovichev, S.V. Synthesis and crystal structure of Ag2[(UO2)6(MoO4)7(H2O)2](H2O)2 . Radiochemistry 58, 1–5 (2016). https://doi.org/10.1134/S106636221601001X

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  • DOI: https://doi.org/10.1134/S106636221601001X

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