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The Highest-Nuclearity Manganese/Oximate Complex: An Unusual MnII/III15 Cluster with an S = 6 Ground State

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posted on 03.05.2010, 00:00 by Dimitris I. Alexandropoulos, Constantina Papatriantafyllopoulou, Guillem Aromí, Olivier Roubeau, Simon J. Teat, Spyros P. Perlepes, George Christou, Theocharis C. Stamatatos
The synthesis, structure, and magnetochemical characterization of the largest manganese oxime cluster are reported. The Mn15/2-pyridinealdoxime compound is mixed-valence (II/III) and possesses an irregular structural motif with a novel Mn/O core. The oximato-bridged cluster exhibits an S = 6 ground state and a negative magnetoanisotropy.