Syntheses and crystal structures of two uranyl peroxide nanoclusters with a diphosphonate linker ligand

Two uranyl peroxide nanoclusters with etidronate ligand (L), a U20L10 and a U26L6, have been synthesized via self-assembly in aqueous solutions and structurally investigated. [Display omitted] Two uranyl peroxide nanoclusters with etidronate ligand [L = (PO3)2C(OH)CH3]4−] have been prepared via self...

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Bibliographic Details
Published in:Polyhedron 2019-12, Vol.174, p.114161, Article 114161
Main Authors: Zhang, Yingjie, Price, Jason R., Lu, Kimbal, Karatchevtseva, Inna, Chironi, Ilkay
Format: Article
Language:English
Subjects:
Cluster
Etidronate
Peroxide
Raman spectroscopy
Uranyl
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Summary:Two uranyl peroxide nanoclusters with etidronate ligand (L), a U20L10 and a U26L6, have been synthesized via self-assembly in aqueous solutions and structurally investigated. [Display omitted] Two uranyl peroxide nanoclusters with etidronate ligand [L = (PO3)2C(OH)CH3]4−] have been prepared via self-assembly in aqueous solutions and structurally characterized. K40[(UO2)20(O2)20L10]·nH2O (1) has a barrel-shaped structure constructed by linking two pentagonal and one decagonal uranyl peroxide rings with ten etidronate ligands. K38[(UO2)26(O2)33L6]·nH2O (2) has a round top and flat bottom structure constructed by linking a double connected pentagonal uranyl peroxide unit (U8) and a dome-shaped uranyl peroxide unit (U18) with six etidronate ligands. The presence of uranyl ion, peroxide and etidronate ligands has been confirmed by Raman spectroscopy and the role of K+ counter ions on the formation of such clusters has been examined.
ISSN:0277-5387
DOI:10.1016/j.poly.2019.114161