From helicates to borromean links: chain length effect in uranyl ion complexes of aliphatic α,ω-dicarboxylates

Pierre Thuéry 1
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 : When reacted with undecane-1,11-dicarboxylic acid under solvo-hydrothermal conditions in the presence of Mn(II) cations and 1,10-phenanthroline, uranyl ions give two-dimensional honeycomb networks which assemble to form a 3-fold Borromean entanglement. This structure is closely related to that of the helicates previously obtained with the shorter dodecanedioic acid. Replacement of 1,10-phenanthroline by 2,2′-bipyridine leads to the formation of a neutral one-dimensional heterometallic polymer. A mong the poly(carboxylic acid)s which have been considered in the design of uranyl−organic coordination polymers or frameworks, 1−6 the aliphatic α,ω-dicarboxylic acids HOOC−(CH 2) n−2 −COOH (denoted as H 2 Cn) provide a family of divergent ligands with a regularly increasing separation between the two functional groups. Those with long chains (n up to 12) have been much investigated, 7−13
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Submitted on : Wednesday, February 3, 2016 - 9:48:47 AM
Last modification on : Thursday, February 7, 2019 - 2:50:38 PM

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Pierre Thuéry. From helicates to borromean links: chain length effect in uranyl ion complexes of aliphatic α,ω-dicarboxylates. Crystal Growth and Design, American Chemical Society, 2016, 16, pp.546-549. ⟨http://dx.doi.org/10.1021/acs.cgd.5b01616⟩. ⟨10.1021/acs.cgd.5b01616⟩. ⟨cea-01266609⟩

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