有机电荷转移共晶的溶剂机械弯曲。
Solvatomechanical Bending of Organic Charge Transfer Cocrystal.
机构信息
Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China.
School of Chemistry and Chemical Engineering University of Chinese Academy of Sciences , Beijing 100049 , China.
出版信息
J Am Chem Soc. 2018 May 23;140(20):6186-6189. doi: 10.1021/jacs.8b00772. Epub 2018 Apr 25.
We report here a new ternary solvated (perylene-TCNB)·2THF cocrystal, which can transform into binary perylene-TCNB cocrystal reversibly by successive desorption or absorption of THF solvent. As a consequence, macroscopic mechanical bending would be realized when repeated stimulation with THF solvent. The present results clearly demonstrated that solvent induced mechanical bending is driven by structural change at the molecular scale. Such solvatomechanical bending behavior is clearly revealed for the first time.
我们在这里报告了一种新的三元溶剂化（苝-四氰基对苯二醌二甲烷）·2THF 共晶，它可以通过连续解吸或吸收 THF 溶剂可逆地转化为二元苝-四氰基对苯二醌二甲烷共晶。因此，当用 THF 溶剂反复刺激时，会实现宏观机械弯曲。目前的结果清楚地表明，溶剂诱导的机械弯曲是由分子尺度上的结构变化驱动的。这种溶剂机械弯曲行为是首次被清楚地揭示出来的。
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