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Radiochemistry

, Volume 52, Issue 1, pp 1–6 | Cite as

Supramolecular templates for the synthesis of new nanostructured uranyl compounds: Crystal structure of [NH3(CH2)9NH3][(UO2)(SeO4)(SeO2OH)](NO3)

  • V. V. Gurzhiy
  • S. V. Krivovichev
  • P. C. Burns
  • I. G. Tananaev
  • B. F. Myasoedov
Article

Abstract

Crystals of a new uranyl selenate, [NH3(CH2)9NH3][(UO2)(SeO4)(SeO2OH)](NO3) (1), were prepared by isothermal evaporation from aqueous solution at room temperature. The crystal structure was solved by the direct method \( P\bar 1 \), 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)(SeO4)(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.

uranyl selenates single crystal X-ray diffraction supramolecular structures 

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • V. V. Gurzhiy
    • 1
  • S. V. Krivovichev
    • 1
    • 2
  • P. C. Burns
    • 3
  • I. G. Tananaev
    • 4
  • B. F. Myasoedov
    • 4
  1. 1.Geological FacultySt. Petersburg State UniversitySt. PetersburgRussia
  2. 2.Institute of Silicate ChemistryRussian Academy of SciencesSt. PetersburgRussia
  3. 3.University of Notre DameNotre Damethe United States
  4. 4.Frumkin Institute of Physical Chemistry and ElectrochemistryRussian Academy of SciencesMoscowRussia

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