It has shown that less 1, 2-unit content corresponds to lower poltential barrier of internal rotation and hence to lower energy of rotational isomerization.

  • 反映了1,2-链节对分子链内旋转的阻碍作用。进一步的研究表明,低1,2-链节含量对应着较低的分子链内旋转势垒和内旋转异构化能。
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