V2EX intervalence

Intervalence

定义 Definition

intervalence(多用于化学语境)指不同价态/价电子中心之间的电子转移或相互作用,尤其常见于“intervalence charge transfer(价间电荷转移,简称 IVCT)”,描述混合价化合物中电子在两个金属中心(或两个氧化态位点)之间的跃迁所产生的吸收带等现象。

发音 Pronunciation (IPA)

/ntrvelns/

例句 Examples

An intervalence transition can produce a strong absorption band.
价间(intervalence)跃迁可能产生强的吸收带。

In mixed-valence complexes, intervalence charge transfer reveals how readily an electron moves between two metal centers.
在混合价配合物中,价间电荷转移(intervalence charge transfer)揭示了电子在两个金属中心之间移动的难易程度。

词源 Etymology

inter-(“在……之间”)+ valence(“化合价;化合能力/价电子”)构成,字面意思就是“价态之间的”。该词在无机化学与材料化学中常用来讨论混合价体系中的电子跃迁与光谱特征。

相关词 Related Words

文学/著作中的用例 Literary / Notable Works

  • Robin, M. B.; Day, P.(1967)关于混合价化合物分类与价间电荷转移(intervalence charge transfer)的经典论文(常被称为“RobinDay 分类”相关文献)。
  • Inorganic Chemistry(Miessler, Fischer, Tarr 等常用教材的相关章节)讨论混合价体系与 IVCT/intervalence 现象。
  • Mixed-Valence Compounds(多部学术专著/论文集常以“intervalence/IVCT”为核心术语,出现在标题、摘要与光谱讨论中)。
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