Isotropic rotation in amphidynamic crystals of stacked carbazole-based rotors featuring halogen-bonded stators.

Abraham Colin-MolinaSalvador Pérez-EstradaArián E RoaAlvin Villagrana-GarciaSimón Hernández-OrtegaMario RodríguezStuart E BrownBraulio Rodríguez-Molina

Published in: Chemical communications (Cambridge, England) (2018)

Liquid-like dynamics of a covalent 1,4-phenylene rotator have been unveiled in 1 with a brominated stator showing type-II halogen bonds. This singular rotation is favored by synergistic molecular changes in stacked molecules, according to VT solid state NMR, 1H T1 relaxometry and VT X-ray experiments of this highly crystalline compound.

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