Supramolecular templates for the synthesis of new nanostructured uranyl compounds: Crystal structure of [NH3(CH2) 9NH3][(UO2)(SeO4)(SeO 2OH)](NO3)

被引：9
|
作者：
Gurzhiy V.V. [1 ]
Krivovichev S.V. [1 ,2 ]
Burns P.C. [3 ]
Tananaev I.G. [4 ]
Myasoedov B.F. [4 ]
机构：
[1] Geological Faculty, St. Petersburg State University, St. Petersburg 199034
[2] Institute of Silicate Chemistry, Russian Academy of Sciences, St. Petersburg
[3] University of Notre Dame, Notre Dame
[4] Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow
来源：
Radiochemistry | 2010年 / 52卷 / 1期
关键词：
Selenates; Single crystal X-ray diffraction; Supramolecular structures; Uranyl;
D O I：
10.1134/S1066362210010017
中图分类号：
学科分类号：
摘要：
Crystals of a new uranyl selenate, [NH3(CH2) 9NH3][(UO2)(SeO4)(SeO 2OH)](NO3) (1), were prepared by isothermal evaporation from aqueous solution at room temperature. The crystal structure was solved by the direct method Pbar 1 , a = 10.7480(7), b = 13.8847(9), c = 14.6363(10) Å, α = 109.9600(10)°, β = 103.212(2)°, γ = 90.4090(10)°, V = 1990.0(2) Å3, Z= 4) and refined to R 1 = 0.0379 (wR 2 = 0.0636) for 8515 reflections with |Fo| ≥ 4σF. The structure is based on [(UO2)(SeO 4)(SeO2OH)]-layers parallel to the (001) plane. In the structure of 1, there are two crystallographically independent 1,9-diammoniononane cations forming micelles in which the hydrocarbon chains are packed crosswise. The micelles are cylinders with an elliptical cross section and a rough surface. They are organized by the principle of hydrophilic and hydrophobic interactions. The cylinders are separated from each other by layers of triangular NO 3 - groups. Compound 1 is an example of organic-inorganic composites with a unidimensional organic substructure in which the protonated chain-like diamine molecules arranged crosswise form cylindrical supramolecular templates. © 2010 Pleiades Publishing, Ltd.
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页码：1 / 6
页数：5
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