Two aspects of our group's research into weakly ligated metal systems will be discussed. The first topic is the generation of reactive unchelated manganese clusters. Photosynthetic water oxidation is carried out in nature by the tetramanganese oxygen evolving cluster (OEC) of photosystem II. Biomimetic modeling studies over the past several decades have used chelation to template and stabilize cluster geometries. A synthetic, unchelated cubane cluster OEC mimic will be presented. The second topic is the preparation of solid electrolytes for lithium ion conduction. Current lithium ion batteries suffer from flammability due to the use of liquid organic electrolytes. Solid matrix containing ion channels for lithium ion conduction will be presented. Due to the weak affinity of lithium ions for the soft donor groups of this matrix, the material exhibits �frictionless� ion conduction.                                             

If you love something, let it go: Dynamic behavior in two weakly ligated metal systems

248th National Meeting (2014)

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