Asymmetric Choreography in Pairs of Orthogonal Rotors

Identificador:  imarina:5132289

Handle: https://hdl.handle.net/20.500.11797/imarina5132289

Autors:  Rodriguez-Fortea, Antonio; Kaleta, Jiri; Meziere, Cepcile; Allain, Magali; Canadell, Enric; Wzietek, Pawel; Michl, Josef; Batail, Patrick

Resum:
An asymmetric mechanism for correlated motion occurring in noninteracting pairs of adjacent orthogonal 1,4-bis(carboxyethynyl)bicyclo[1.1.1]pentane (BCP) rotators 1 in the solid state is unraveled and shown to play an important role in understanding the dynamics in the crystalline rotor, Bu4N+[1-]·H2O. Single crystal X-ray diffraction and calculation of rotor-rotor interaction energies combined with variable-temperature, variable-field 1H spin-lattice relaxation experiments led to the identification and microscopic rationalization of two distinct relaxation processes.