Collective In-Plane Molecular Rotator Based on Dibromoiodomesitylene π-Stacks.
作者： Jun-ichi Ichikawa , Norihisa Hoshino , Takashi Takeda , Tomoyuki Akutagawa
DOI: 10.1021/JACS.5B08215
关键词: Phase transition 、 Molecule 、 Moment (physics) 、 Chemistry 、 Dielectric 、 Crystal 、 Condensed matter physics 、 Polar 、 Dipole 、 Intermolecular force
摘要: Interest in artificial solid-state molecular rotator systems is growing as they enable to be designed for achieving specific physical functions. The phase transition behavior of four halomesitylene crystals indicated dynamic in-plane characteristics dibromoiodomesitylene, tribromomesitylene, and dibromomesitylene crystals. Such rotation diiodomesitylene was suppressed by effective I···I intermolecular interactions. accompanied a change dipole moment resulted dielectric transitions polar dibromoiodomesitylene No anomaly observed the tribromomesitylene absence this change. Typical antiferroelectric–paraelectric were crystal, whereas associated with collective of...
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