The Use of a Flexible Calixarene Template to Stabilize a Cyclooctatetraindiyl Samarium-Potassium Complex
Overall view of the samarium-potassium sandwich structure of 3. The solvated THF molecule and hydrogens are omitted for clarity. The three ligands are given in different colors: L is in black, COT is in orange, and the potassium THFs (ligand L′′) are in green.
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