Linking Icosahedral, Strong Molecular Magnets {MoFe} to Layers-A Solid-State Reaction at Room Temperature The authors thank M. Baumann, C. Kuhlmann, and S. Q. N. Shah for their assistance, and Prof. A. X. Trautwein and Dr. V. Schünemann (University of Lübeck) for the measurement of the (57)Fe Mössbauer spectrum. S.S. (Department of Chemistry, IIT Kanpur, India) thanks the Alexander von Humboldt Foundation for financing his three-month stay in Bielefeld.