期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 12, 期 8, 页码 2142-2147出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.1c00186
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资金
- Foundation for Polish Science within the START program
- National Science Centre, Poland, within OPUS project [2019/35/B/ST3/02670]
The study found that the phenyl ring exerts a stronger influence on molecular self-assembly, leading to a significant reduction in the size and concentration of hydrogen-bonded clusters by manipulating the O-H···O interactions between molecules. This phenomenon was explained through a combination of calorimetric, dielectric, infrared, and diffraction studies.
A series of five alcohols (3-methyl-2-butanol, 1-cyclopropylethanol, 1-cyclopentylethanol, 1-cyclohexylethanol, and 1-phenylethanol) was used to study the impact of the size of steric hindrance and its aromaticity on self-assembling phenomena in the liquid phase. In this Letter, we have explicitly shown that the phenyl ring exerts a much stronger effect on the self-organization of molecules via the O-H center dot center dot center dot O scheme than any other type of steric hindrance, leading to a significant decline in the size and concentration of the H-bonded clusters. Given the combination of calorimetric, dielectric, infrared, and diffraction studies, this phenomenon was ascribed to its additional proton-acceptor function for the competitive intermolecular O-H center dot center dot center dot pi interactions. The consequence of this is a different packing of molecules on the short- and medium-range scale.
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