Hybrid Lanthanide–Actinide Peroxide Cage Clusters

详细信息    查看全文

• 作者：Ginger E. Sigmon ; Jennifer E. S. Szymanowski ; Korey P. Carter ; Christopher L. Cahill ; Peter C. Burns
• 刊名：Inorganic Chemistry
• 出版年：2016
• 出版时间：March 21, 2016
• 年：2016
• 卷：55
• 期：6
• 页码：2682-2684
• 全文大小：195K
• ISSN：1520-510X

文摘

A cage cluster consisting of 31 uranyl and 9 Sm³⁺ polyhedra self-assembles in an alkaline aqueous peroxide solution and crystallizes (U₃₁Sm₉). Trimers of Sm³⁺ polyhedra are templated by μ₃-η²:η²:η²-peroxide groups and link to oxo atoms of uranyl ions. Three such trimers link into a ring through uranyl hexagonal bipyramids, and these are attached through six polyhedra to a unit consisting of 21 uranyl hexagonal bipyramids to complete the cage. Luminescence spectra collected with an excitation wavelength of 420 nm reveal fine structure, which is not observed for a cluster containing only uranyl polyhedra.