Zobrazeno 1 - 10 of 218 pro vyhledávání: '"Oleg I, Siidra"'
1
Akademický článek
U(VI) Coordination Modes in Complex Uranium Silicates: Cs[(UO6)2(UO2)9(Si2O7)F] and Rb2[(PtO4)(UO2)5(Si2O7)]
Autor: Evgeny V. Nazarchuk, Oleg I. Siidra, Dmitri O. Charkin, Yana G. Tagirova
Publikováno v: Chemistry, Vol 4, Iss 4, Pp 1515-1523 (2022)
Crystals of two new inorganic uranyl silicates, Cs[(UO6)2(UO2)9(Si2O7)F] (1) and Rb2[(PtO4)(UO2)5(Si2O7)] (2), were produced from melts in evacuated silica tubes. Their structures have been solved by direct methods: 1 is trigonal, P-31c, a = 10.2040(
Externí odkaz: https://doaj.org/article/da06fe9c41d847ec8e7e3acd8cf6515c
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2
A contribution to the perrhenate crystal chemistry: the crystal structures of new CdTh[MoO4]3-type compounds
Autor: Dmitri O. Charkin, Pavel A. Chachin, Evgeni V. Nazarchuk, Oleg I. Siidra
Publikováno v: Zeitschrift für Kristallographie - Crystalline Materials. 238:1-5
Singe crystals of four new A I M II[ReO4]3 perrhenates (A I = Na, M II = Pb; A I = Na, M II = Sr, Ag, K) have been prepared from the respective A I[ReO4] and M II[ReO4]2 perrhenates using melt and solution evaporation techniques. All new compounds be
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efee208a206d343cbc8b18a575175f8e
https://doi.org/10.1515/zkri-2022-0043
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3
Ermakovite (NH4)(As2O3)2Br, a new exhalative arsenite bromide mineral from the Fan-Yagnob coal deposit, Tajikistan
Autor: Vladimir Yu. Karpenko, Leonid A. Pautov, Oleg I. Siidra, Mirak A. Mirakov, Anatoly N. Zaitsev, Pavel Yu. Plechov, Saimudasir Makhmadsharif
Publikováno v: Mineralogical Magazine. 87:69-78
In terrestrial rocks, Br minerals are extremely rare with only nine minerals known where Br is a dominant component. A new arsenite bromide mineral ermakovite, (NH4)(As2O3)2Br, was discovered at the tract of Kukhi-Malik, Fan-Yagnob coal deposit, ca.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c90088a78175f84817ee3dcd1a079557
https://doi.org/10.1180/mgm.2022.116
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5
Framework Uranyl Silicates: Crystal Chemistry and a New Route for the Synthesis
Autor: Tagirova, Evgeny V. Nazarchuk, Oleg I. Siidra, Dmitri O. Charkin, Yana G.
Publikováno v: Materials; Volume 16; Issue 11; Pages: 4153
To date, uranyl silicates are mostly represented by minerals in nature. However, their synthetic counterparts can be used as ion exchange materials. A new approach for the synthesis of framework uranyl silicates is reported. The new compounds Rb2[(UO
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=multidiscipl::8e82b6fe2888ff600bf93b3f0d26d1d9
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8
Exploring new belousovite-related zinc and cadmium alkali sulfate halides: synthesis and structural variability
Autor: Artem S. Borisov, Oleg I. Siidra, Dmitri O. Charkin, Karim A. Zagidullin, Ruslan K. Burshtynovich, Natalia S. Vlasenko
Publikováno v: Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials. 78:499-509
Fourteen new belousovite-related compounds, AZn(TO4)X (A = K, Rb, Cs, Tl, NH4; T = S, Se; X = Cl, Br, I) have been prepared via melt and evaporation techniques by reacting AX and ZnTO4 either at high temperatures or in hot aqueous solutions. They ado
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8918ea9794464d2400f3ccd9f639994
https://doi.org/10.1107/s2052520622003535
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9
Akademický článek
Expanding the Averievite Family, (MX)Cu5O2(T5+O4)2 (T5+ = P, V; M = K, Rb, Cs, Cu; X = Cl, Br): Synthesis and Single-Crystal X-ray Diffraction Study
Autor: Ilya V. Kornyakov, Victoria A. Vladimirova, Oleg I. Siidra, Sergey V. Krivovichev
Publikováno v: Molecules, Vol 26, Iss 7, p 1833 (2021)
Averievite-type compounds with the general formula (MX)[Cu5O2(TO4)], where M = alkali metal, X = halogen and T = P, V, have been synthesized by crystallization from gases and structurally characterized for six different compositions: 1 (M = Cs; X = C
Externí odkaz: https://doaj.org/article/de56627dc9f3468f8a8a64891b5511b9
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10
Akademický článek
Successive Crystallization of Organically Templated Uranyl Sulfates: Synthesis and Crystal Structures of [pyH](H3O)[(UO2)3(SO4)4(H2O)2], [pyH]2[(UO2)6(SO4)7(H2O)], and [pyH]2[(UO2)2(SO4)3]
Autor: Evgeny V. Nazarchuk, Dmitri O. Charkin, Oleg I. Siidra
Publikováno v: ChemEngineering, Vol 5, Iss 1, p 5 (2021)
Three new uranyl sulfates, [pyH](H3O)[(UO2)3(SO4)4(H2O)2] (1), [pyH]2[(UO2)6(SO4)7(H2O)] (2), and [pyH]2[(UO2)2(SO4)3] (3), were produced upon hydrothermal treatment and successive isothermal evaporation. 1 is monoclinic, P21/c, a = 14.3640(13), b =
Externí odkaz: https://doaj.org/article/b0cd79b5183e4d9ab816451b5da57150
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