V2EX dipole-force

Dipole Force

定义(中文) / Definition

偶极力:由分子(或原子团)中永久偶极瞬时/诱导偶极之间的电荷分布不均引起的分子间作用力,常见于解释物质的沸点、熔点、溶解性等性质。(更广义上常被归入“分子间作用力”,相关类型还包括偶极-偶极作用、偶极-诱导偶极作用等。)

发音(IPA) / Pronunciation

/da.pol frs/

例句 / Examples

Dipole forces help explain why water has a high boiling point.
偶极力有助于解释为什么水的沸点很高。

In polar solvents, dipole forces between molecules can strongly influence solubility and reaction rates.
在极性溶剂中,分子之间的偶极力会显著影响溶解度和反应速率。

词源(中文) / Etymology

dipole 来自 di-(“两、双”)+ pole(“极”),原意与“两个相反的极”有关,用来描述正负电荷分离形成的两极结构;force 源自拉丁语 fortis(“强壮的”)相关词汇,表示“作用力、力量”。合起来指“由偶极引起的作用力”。

相关词汇 / Related Words

文学与经典著作中的用例 / Literary & Notable Works

  • Atkins’ Physical Chemistry(《阿特金斯物理化学》)
  • Chemistry: The Central Science(Brown 等,《化学:中心科学》)
  • Linus Pauling, The Nature of the Chemical Bond(鲍林《化学键的本质》)
  • Molecular Driving Forces(Ken Dill & Sarina Bromberg,《分子驱动力》)
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