The thermodynamics of strong coupling between molecules and the vacuum field is analyzed and the Gibbs free energy, the enthalpy, and entropy of the coupling process are determined for the first time. The thermodynamic parameters are a function of the Rabi splitting and the microscopic solvation. The results provide a new framework for understanding light-molecule strong coupling.
The reversibly formed CN bond plays a very important role in dynamic covalent chemistry and the CN/CN exchange of components between different imine constituents to create dynamic covalent libraries has been extensively used. To facilitate diversity generation, we have investigated an organocatalyzed approach, using L‐proline as catalyst, to accelerate the formation of dynamic libraries of [n×n] imine components. The organocatalysis methodology has also been extended, under somewhat modified conditions, to reversible CC/CN exchange processes between Knoevenagel derivatives of barbituric acid and imines, allowing for the generation of increased diversity.
Die Thermodynamik der starken Kopplung zwischen Molekülen und dem Vakuumfeld wird analysiert, und Freie Gibbs‐Energie, Enthalpie und Entropie des Kopplungsprozesses wurden erstmals bestimmt. Die thermodynamischen Parameter hängen von der Rabi‐Aufspaltung und der Mikrosolvatation ab. Diese Resultate begründen eine neue Sichtweise auf die starke Licht‐Molekül‐Kopplung.
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