Scholarlink

Abstract <p>A chiral organic fragment was linked to tetraphenylethylene (TPE) to produce (4<i>S</i>)-5,5-dimethyl-2-[4-(1,2,2-trityl)phenyl]thiazolidine-4-carboxylic acid (TPCA). The absolute conformation of TPCA was confirmed by Flack parameter to definite the atomic positions. Based on the peripheral four benzene rings of the TPE, the in situ temperature-dependent crystal structure of TPCA was established to demonstrate the conformational change of TPCA in the temperature range from 165 to 298 K, further to investigate the physical mechanism of molecular motions for AIE phenomenon. The isotropic parameters of the individual benzene rings can further confirm the unequal vibrations of the molecule caused by the crystal anisotropy.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Temperature-Dependent Molecular Motions of an AIE Molecule with Chirality

  • 期刊论文

  • 发表日期：

    2025年11月1日

查看全文
  • Xinyu Wang,
  • Sisi Tang,
  • Yong Cao,
  • Xiaomin He,
  • Weili Kong,
  • Jun Zhang

摘要

Abstract

A chiral organic fragment was linked to tetraphenylethylene (TPE) to produce (4S)-5,5-dimethyl-2-[4-(1,2,2-trityl)phenyl]thiazolidine-4-carboxylic acid (TPCA). The absolute conformation of TPCA was confirmed by Flack parameter to definite the atomic positions. Based on the peripheral four benzene rings of the TPE, the in situ temperature-dependent crystal structure of TPCA was established to demonstrate the conformational change of TPCA in the temperature range from 165 to 298 K, further to investigate the physical mechanism of molecular motions for AIE phenomenon. The isotropic parameters of the individual benzene rings can further confirm the unequal vibrations of the molecule caused by the crystal anisotropy.