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@article{2dec8422b0254df280d29a4a6d46ee17,
title = "Crystal-Chemical Features of U(VI) Compounds with Inorganic Complexes Derived from [(UO2)(TO4)(H2O)n], T = S, Cr, Se: Synthesis and Crystal Structures of Two New Uranyl Sulfates",
abstract = "Two new U(VI) sulfates, [CH6N3](2)(NO3)(2)[(UO2)(SO4)(H2O)(2)]center dot H2O (1) and [C5H8N2](2)[(UO2)center dot (SO4)(2)] (2), were prepared by isothermal evaporation from aqueous solutions. Compound 1 crystallizes in the monoclinic system, space group P2(1)/n, a = 12.3824(7), b = 7.0329(4), c = 21.5362(12) , beta = 99.598(2)A degrees, and compound 2, in the triclinic system, space group P1I..., a = 7.0126(9), b = 10.3352(13), c = 13.8027(19) , alpha = 68.187(5)A degrees, beta = 78.940(5)A degrees, gamma = 71.339(3)A degrees. The crystal structure of the compounds was studied at 100 K. The structures were solved by direct methods and refined to R (1) = 0.059 and 0.032 for 1 and 2, respectively. The structure of 1 is based on electrically neutral [(UO2)(SO4)(H2O)(2)](0) chains between which protonated guanidine molecules, NO (3) (-) anions, and water molecules are located. In compound 2, protonated molecules of 4-aminopyridine bind [(UO2)(SO4)(2)](2-) chains in a three-dimensional structure. Specific crystal-chemical features of chain U(VI) compounds with tetrahedral oxoanions, derived from [(UO2)(TO4)(H2O) (n) ], T = S, Cr, Se, are considered.",
keywords = "crystal structure, sulfates, uranium(VI)",
author = "Nazarchuk, {E. V.} and Charkin, {D. O.} and Siidra, {O. I.} and Gurzhiy, {V. V.}",
year = "2018",
month = jul,
day = "24",
doi = "10.1134/S1066362218040021",
language = "English",
volume = "60",
pages = "345--351",
journal = "Radiochemistry",
issn = "1066-3622",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "4",

}

RIS

TY - JOUR

T1 - Crystal-Chemical Features of U(VI) Compounds with Inorganic Complexes Derived from [(UO2)(TO4)(H2O)n], T = S, Cr, Se

T2 - Synthesis and Crystal Structures of Two New Uranyl Sulfates

AU - Nazarchuk, E. V.

AU - Charkin, D. O.

AU - Siidra, O. I.

AU - Gurzhiy, V. V.

PY - 2018/7/24

Y1 - 2018/7/24

N2 - Two new U(VI) sulfates, [CH6N3](2)(NO3)(2)[(UO2)(SO4)(H2O)(2)]center dot H2O (1) and [C5H8N2](2)[(UO2)center dot (SO4)(2)] (2), were prepared by isothermal evaporation from aqueous solutions. Compound 1 crystallizes in the monoclinic system, space group P2(1)/n, a = 12.3824(7), b = 7.0329(4), c = 21.5362(12) , beta = 99.598(2)A degrees, and compound 2, in the triclinic system, space group P1I..., a = 7.0126(9), b = 10.3352(13), c = 13.8027(19) , alpha = 68.187(5)A degrees, beta = 78.940(5)A degrees, gamma = 71.339(3)A degrees. The crystal structure of the compounds was studied at 100 K. The structures were solved by direct methods and refined to R (1) = 0.059 and 0.032 for 1 and 2, respectively. The structure of 1 is based on electrically neutral [(UO2)(SO4)(H2O)(2)](0) chains between which protonated guanidine molecules, NO (3) (-) anions, and water molecules are located. In compound 2, protonated molecules of 4-aminopyridine bind [(UO2)(SO4)(2)](2-) chains in a three-dimensional structure. Specific crystal-chemical features of chain U(VI) compounds with tetrahedral oxoanions, derived from [(UO2)(TO4)(H2O) (n) ], T = S, Cr, Se, are considered.

AB - Two new U(VI) sulfates, [CH6N3](2)(NO3)(2)[(UO2)(SO4)(H2O)(2)]center dot H2O (1) and [C5H8N2](2)[(UO2)center dot (SO4)(2)] (2), were prepared by isothermal evaporation from aqueous solutions. Compound 1 crystallizes in the monoclinic system, space group P2(1)/n, a = 12.3824(7), b = 7.0329(4), c = 21.5362(12) , beta = 99.598(2)A degrees, and compound 2, in the triclinic system, space group P1I..., a = 7.0126(9), b = 10.3352(13), c = 13.8027(19) , alpha = 68.187(5)A degrees, beta = 78.940(5)A degrees, gamma = 71.339(3)A degrees. The crystal structure of the compounds was studied at 100 K. The structures were solved by direct methods and refined to R (1) = 0.059 and 0.032 for 1 and 2, respectively. The structure of 1 is based on electrically neutral [(UO2)(SO4)(H2O)(2)](0) chains between which protonated guanidine molecules, NO (3) (-) anions, and water molecules are located. In compound 2, protonated molecules of 4-aminopyridine bind [(UO2)(SO4)(2)](2-) chains in a three-dimensional structure. Specific crystal-chemical features of chain U(VI) compounds with tetrahedral oxoanions, derived from [(UO2)(TO4)(H2O) (n) ], T = S, Cr, Se, are considered.

KW - crystal structure

KW - sulfates

KW - uranium(VI)

UR - http://www.scopus.com/inward/record.url?scp=85052212012&partnerID=8YFLogxK

U2 - 10.1134/S1066362218040021

DO - 10.1134/S1066362218040021

M3 - Article

AN - SCOPUS:85052212012

VL - 60

SP - 345

EP - 351

JO - Radiochemistry

JF - Radiochemistry

SN - 1066-3622

IS - 4

ER -

ID: 33285487