Acta Cryst. (2004). E60, m996-m998  [ doi:10.1107/S1600536804014941 ]

(C₈H₂₆N₄)_0.5[(UO₂)₂(SO₄)₃(H₂O)]·2H₂O, an organically templated uranyl sulfate with a novel layer type

M. B. Doran, A. J. Norquist, C. L. Stuart and D. O'Hare

Abstract: The title compound, hemi[3,3'-(ethylenediiminio)dipropanaminium] aquatetraoxotri--sulfato-diuranate(VI) dihydrate, (C₈H₂₆N₄)_0.5[(UO₂)₂(SO₄)₃(H₂O)]·2H₂O, contains infinite anionic [(UO₂)₂(H₂O)(SO₄)₃]^2- layers with [C₈H₂₆N₄]⁴⁺ cations balancing charge and participating in extensive hydrogen bonding, along with uncoordinated water molecules. Each U^VI centre is seven-coordinate with a pentagonal bipyramidal geometry, and each sulfate tetrahedron bridges three adjacent uranium centres.

Online 26 June 2004

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