Citation: Michael Schmittel; Bice He; Jian Fan; Jan W. Bats; Marianne Engeser; Marc Schlosser; Hans-J\"org Deiseroth (2009). Cap for Copper(I) Ions! Metallosupramolecular Solid and Solution State Structures on the Basis of the Dynamic Tetrahedral [Cu(phenAr2)(py)2]+ Motif. Inorganic Chemistry, 48, pp. 8192-8200.