A Chiral 60-Metal Sodalite Cage Featuring 24 Vertex-Sharing [Er_4(μ_3-OH)_4]Cubanes

摘要

The study of high-nuclearity metal complexes has been a field of rapid growth in coordination and materials chemistry.A large number of these large yet molecular species have been reported, many of which display aesthetically pleasing structures and interesting properties. A subgroup of materials in this context are clusterlike polynuclear lanthanide hydroxide complexes. Originally the elusive products of adventitious hydrolysis, they can now be rationally synthesized via a ligand-controlled hydrolytic approach with the use of judiciously chosen ancillary ligands to limit the degree of lanthanide hydrolysis and the aggregation of the hydroxo intermediates; finite and structurally well-defined cluster species can thus be obtained.