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A chiral uranyl-Kemp's tricarboxylate cubic framework: structure-directing effect of counterions with three-fold rotational symmetry

Pierre Thuéry 1 Jack Harrowfield 2
1 LCMCE - Laboratoire de Chimie Moléculaire et de Catalyse pour l'Energie (ex LCCEF)
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : In the presence of PPh3Me+ cations, Kemp's tricarboxylate (kta3−) complexes the uranyl cation to give [PPh3Me][UO2(kta)] (1), a triperiodic framework with cubic symmetry and srs topology. The PPh3Me+ cation is held by weak interactions into cavities with matching three-fold rotational symmetry. Comparison with the diperiodic hemi-hydrate polymorph previously reported points to the disrupting role of OH⋯O hydrogen bonds in the latter.
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Submitted on : Monday, August 16, 2021 - 10:47:51 AM
Last modification on : Monday, August 23, 2021 - 9:48:27 AM

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Pierre Thuéry, Jack Harrowfield. A chiral uranyl-Kemp's tricarboxylate cubic framework: structure-directing effect of counterions with three-fold rotational symmetry. Dalton Transactions, Royal Society of Chemistry, In press, 50, pp.11021-11024. ⟨10.1039/D1DT02232F⟩. ⟨cea-03320580⟩

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