V2EX hapticity

Hapticity

释义 Definition

hapticity(配位触位数/触位性):有机金属化学中指配体通过一串连续原子与金属中心相互作用(配位)的方式与“数目”,通常用 η^n(eta) 表示,其中 n 是与金属同时相互作用的连续原子数(如 η、η、η)。

发音 Pronunciation (IPA)

/hptsti/

例句 Examples

The cyclopentadienyl ligand often shows η hapticity.
环戊二烯基配体常表现出 η 的触位性。

In some complexes, the ligand can change its hapticity from η to η during a reaction, which affects the metal’s reactivity.
在某些配合物中,配体在反应过程中可能从 η 变为 η 的触位性,从而影响金属的反应性。

词源 Etymology

hapticity 来自 haptic(与“触觉/接触”有关),其根源与希腊语 haptein(“抓住、接触”)相关;在化学中借用“接触/抓住”的意象,用来描述配体与金属中心“接触”的连续原子数,并与 η(eta)记号配套使用。

相关词 Related Words

文献与著作 Literary Works

  • Organometallic Chemistry(Crabtree)常用 η^n 讨论芳烃、烯丙基等配体的触位性与反应性
  • The Organometallic Chemistry of the Transition Metals(Crabtree)涉及配体 hapticity 变化与机理分析
  • Advanced Inorganic Chemistry(Cotton & Wilkinson)在配合物结构与键合章节中使用 hapticity/η 记号
  • Organotransition Metal Chemistry: From Bonding to Catalysis(Hartwig)在催化循环与中间体描述中使用 η^n 概念
  • IUPAC 相关命名与术语文档(关于 η/“hapto-”记号)规范 hapticity 的表述方式
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