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Triggering the dynamics of a carbazole-p-[phenylene-diethynyl]-xylene rotor through a mechanically induced phase transition

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Abstract

A new rotor exhibits rich solvatomorphism behavior with eight X-ray structures obtained. A heterogeneous solid obtained by mechanical stress exhibited a dominant isotropic 2H line shape at high temperatures. The motion occurs only in the amorphous component of this solid, with an Ea of 7.4 kcal mol−1 and a low pre-exponential factor A of 6.22 × 1010 s−1, which indicates that the motion requires the distortion of the molecular axis.

Graphical abstract: Triggering the dynamics of a carbazole-p-[phenylene-diethynyl]-xylene rotor through a mechanically induced phase transition

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Publication details

The article was received on 22 Jul 2019, accepted on 30 Oct 2019 and first published on 30 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC05672F
Chem. Commun., 2019, Advance Article

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    Triggering the dynamics of a carbazole-p-[phenylene-diethynyl]-xylene rotor through a mechanically induced phase transition

    A. Aguilar-Granda, A. Colin-Molina, M. J. Jellen, A. Núñez-Pineda, M. E. Cifuentes-Quintal, R. A. Toscano, G. Merino and B. Rodríguez-Molina, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC05672F

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