title: High-Spin Molecules: A Novel Cyano-Bridged MnMo Molecular Cluster with a S=51/2 Ground State and Ferromagnetic Intercluster Ordering at Low Temperatures Financial support by the Swiss National Science Foundation through Project No. 21-52699.97 and the TMR Research Network ERBFMRXCT 980181 of the European Union, entitled: "Molecular Magnetism: From Materials towards Devices" is gratefully acknowledged. The authors also thank Thierry Strässle from the Paul Scherrer Institute, Villigen, for assistance with the heat capacity measurement and Professor Fernando Palacio, University of Zaragoza, for stimulating discussions.
authors.affiliation: Departement für Chemie und Biochemie Universität Bern Freiestrasse 3, 3012 Bern (Switzerland).
authors.initials: J
authors.lastname: Larionova
authors.initials: M
authors.lastname: Gross
authors.initials: M
authors.lastname: Pilkington
authors.initials: H
authors.lastname: Andres
authors.initials: H
authors.lastname: Stoeckli-Evans
authors.initials: HU
authors.lastname: Güdel
authors.initials: S
authors.lastname: Decurtins