Cluster of Clusters: Structure of the 37‐Atom Cluster [(p‐Tol₃P)₁₂Au₁₈Ag₁₉Br₁₁]2⊕ and a Novel Series of Supraclusters Based on Vertex‐Sharing Icosahedra

The title compound 1 can be regarded as a derivative of a “small supracluster”. This supracluster belongs to a series of vertex‐sharing icosahedra with a metal atom at the center of each icosahedron; the basic structural unit thus comprises 13 atoms. The simplest supracluster of 25 atoms (i.e. two units with a common corner; 2 × 13 − 1 = 25) is known. The 37‐atom cluster 1 and a 38‐atom analogue could be ascribed to a skeleton with 3 × 13 − 3 = 36 atoms, which additionally contains one or two apical Ag atoms, respectively. (Tol = tolyl) equation image