V2EX cyclopentadienyl

Cyclopentadienyl

释义 Definition

cyclopentadienyl环戊二烯基(常写作 Cp),指由环戊二烯(cyclopentadiene)失去一个氢后形成的 CH 阴离子或作为配位化学中的配体。它在有机金属化学里非常常见,能以“η”方式与金属中心配位(表示五个碳同时参与配位)。

发音 Pronunciation (IPA)

/saklopntdanl/

例句 Examples

Cyclopentadienyl is often abbreviated as Cp in chemistry.
环戊二烯基在化学中常被缩写为 Cp。

In ferrocene, each cyclopentadienyl ring binds to iron in an η fashion, giving the molecule unusual stability.
在二茂铁中,每个环戊二烯基环以 η 方式与铁配位,使该分子具有异常的稳定性。

词源 Etymology

该词由多部分构成:**cyclo-**(“环状”)+ penta-(“五”)+ diene(“二烯,含两个双键”)+ -yl(表示“某基/取代基”)。字面意思就是“五元环二烯的基团”,在现代化学语境里通常特指 CH 作为配体的那种用法

相关词 Related Words

文学与著作中的用例 Literary Works

  • Inorganic Chemistry(Cotton, Wilkinson 等):在有机金属章节讨论 Cp 配体与二茂金属结构时频繁出现。
  • Organometallic Chemistry(Elschenbroich):系统介绍环戊二烯基配合物、η 配位与反应性。
  • The Organometallic Chemistry of the Transition Metals(Robert H. Crabtree):以 Cp/二茂金属为经典例子讲解结构与催化。
  • Inorganic Chemistry(Miessler, Fischer, Tarr):基础教材中介绍二茂铁与 Cp 配体的键合模型与性质。
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