Issue 32, 2021

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

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.

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

Supplementary files

Article information

Article type
Communication
Submitted
06 Jul 2021
Accepted
03 Aug 2021
First published
03 Aug 2021

Dalton Trans., 2021,50, 11021-11024

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

P. Thuéry and J. Harrowfield, Dalton Trans., 2021, 50, 11021 DOI: 10.1039/D1DT02232F

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