Expanding the Crystal Chemistry of Actinyl Peroxides: μ-η<sup>2</sup>:η<sup>1</sup> Peroxide Coordination in Trimers of U<sup>6+</sup> Polyhedra
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Uranyl peroxides have been intensively studied recently because they form topologically complex structures including spherical clusters containing tens of uranyl polyhedra. In all uranyl peroxides reported to date, the coordination of U6+ cations by peroxide is bidentate. The compound K2(Mg(H2O)6)4[(UO2)3(O2)8]·2H2O has been synthesized and characterized and contains a trimer of linked uranyl peroxide polyhedra. The central U6+ cation is linked to two peroxide groups in a μ-η2:η1 configuration. Inclusion of this mode of linkage could dramatically increase the flexibility and topological complexity of uranyl peroxide nanoscale clusters.
创建时间：
2016-02-26
