Email this article SYNTHESIS AND STRUCTURES OF NEW DISULFATOURANYLATES
- Authors: Serezhkin V.N.1, Grigoriev M.S.2, Mitina D.S.3, Serezhkina L.B.1
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Affiliations:
- Samara National Research University named after Academician S.P. Korolev, Samara, Russia
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
- Samara National Research University, Samara, 443011 Russia
- Issue: Vol 68, No 4 (2023)
- Pages: 588-593
- Section: STRUCTURE OF ORGANIC COMPOUNDS
- URL: https://j-morphology.com/0023-4761/article/view/673399
- DOI: https://doi.org/10.31857/S0023476123600258
- EDN: https://elibrary.ru/HZMMNJ
- ID: 673399
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Abstract
Two new disulfatouranylates, Rb2[UO2(SO4)2(H2O)]⋅1.75H2O (I) and (N2H5)2[UO2(SO4)2(H2O)] (II), were synthesized and their structures were determined by single-crystal X-ray diffraction. In structures I and II, each uranyl ion is coordinated in the equatorial plane by four bidentate-bridging sulfate groups and one water molecule to form pentagonal-bipyramidal complexes with the crystal-chemical formula АВ22 М1 (A =UO22+, B2 =SO42- , M1 = H2O). It was found that, while having the same composition [UO2(SO4)2(H2O)]2–, the uranium-containing structural units are geometric isomers, which have a chain and layered structure in I and II, respectively.
About the authors
V. N. Serezhkin
Samara National Research University named after Academician S.P. Korolev, Samara, Russia
Email: serezhkin@samsu.ru
443086, Samara, Russia
M. S. Grigoriev
Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
Email: serezhkin@samsu.ru
119991, Moscow, Russia
D. S. Mitina
Samara National Research University, Samara, 443011 Russia
Email: serezhkin@samsu.ru
Россия, Самара
L. B. Serezhkina
Samara National Research University named after Academician S.P. Korolev, Samara, Russia
Author for correspondence.
Email: lserezh@samsu.ru
Россия, Самара
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