Synthesis and X-ray characterization of the high-nuclearity [Rh17(µ3-CO)3-(µ-CO)15(CO)12]3– anion containing a tetracapped twinned cuboctahedral cluster
Abstract
The novel anion [Rh17(CO)30]3–, which has been obtained by refluxing a mixture of Rh4(CO)12 and NaOH (OH– : Rh, 1 : 5·5) in propan-2-ol, has been shown by X-ray crystallography to contain a cluster which is a fragment of a hexagonal close-packed structure (3 layers: 6/7/4) and is derived from the twinned cuboctahedron present in the anions [Rh13H5 –n(CO)24]n–, with the other four rhodium atoms capping square faces.