V2EX isomerism

Isomerism

定义 Definition

isomerism(同分异构现象):指具有相同分子式的化合物,因为原子连接方式或空间排列不同而表现出不同结构与性质的现象。(常见包括结构异构立体异构等;不同类型在化学中有更细分名称。)

发音 Pronunciation

/asmrzm/

例句 Examples

Isomerism is common in organic chemistry.
同分异构现象在有机化学中很常见。

Although two compounds share the same molecular formula, isomerism can make their boiling points and reactivity noticeably different.
虽然两种化合物拥有相同的分子式,但同分异构现象会使它们的沸点和反应性出现明显差异。

词源 Etymology

isomerism 来自 isomer(同分异构体)+ -ism(表示“现象、体系、特征”的后缀)。isomer 源于希腊语:isos(相同)+ meros(部分),字面含义是“由相同部分组成”,用于描述“分子式相同但结构不同”的关系。

相关词 Related Words

文学作品与经典文本 Literary Works

  • IUPAC《**Compendium of Chemical Terminology (the “Gold Book”)**》:对 isomerism 及相关概念给出规范定义与用法。
  • Paula Yurkanis BruiceOrganic Chemistry》:在有机化学基础章节中系统讨论同分异构(结构异构、立体异构等)。
  • Clayden, Greeves & WarrenOrganic Chemistry》:以大量反应与实例讲解异构与立体化学框架下的 isomerism
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