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Acta Cryst. (2009). E65, m355-m356 [ doi:10.1107/S1600536809006059 ]
![[mu]](/logos/entities/mu_rmgif.gif)
2-2-hydroxy-2-methylpropionato-![[kappa]](/logos/entities/kappa_rmgif.gif)
3O1,O2:O1')(2-2-hydroxy-2-methylpropionato-2O1:O1')dioxidouranium(VI)]Abstract: In the title compound, [UO2(C4H7O3)2]n, the dioxouranium(VI) units are linked by 2-hydroxy-2-methylpropionate ligands into a honeycomb structure. The U atom is seven-coordinate in a pentagonal-bipyramidal geometry. The uncoordinated hydroxy groups of the 2-hydroxy-2-methylpropionate ions interact with the O atom of the uranyl and with the coordinated hydroxy group of an adjacent 2-hydroxy-2-methylpropionate ion through O-H
O hydrogen bonds.
Online 6 March 2009
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