V2EX crystal field

Crystal Field

释义 Definition

晶体场:在配位化学/固体物理中,指由周围离子或配体的电荷分布所产生的静电场,它会使过渡金属离子的 d 轨道能级发生分裂(能量不再相同),从而影响物质的颜色、磁性与稳定性等性质。常见于“晶体场理论(crystal field theory)”的语境中。

发音 Pronunciation (IPA)

/krstl fild/

例句 Examples

The crystal field splits the metal ion’s d orbitals.
晶体场会使金属离子的 d 轨道发生能级分裂。

In an octahedral complex, the strength of the crystal field helps determine whether the compound is high-spin or low-spin.
在八面体配合物中,晶体场的强弱有助于决定该化合物是高自旋还是低自旋。

词源 Etymology

crystal 源自希腊语 krstallos(原意与“冰/透明晶体”相关),后来泛指“晶体”。field 源自古英语 feld(田野、开阔地),在科学语境中引申为“在空间中分布并产生作用的量/影响范围(场)”。合在一起,“crystal field”字面即“晶体(环境)所形成的场”,在化学中专指晶体或配体环境造成的静电场效应。

相关词 Related Words

文学与经典著作中的用例 Literary / Notable Works

  • Inorganic Chemistry(Cotton & Wilkinson):讨论晶体场/配位化合物的电子结构与性质
  • Chemical Applications of Group Theory(F. A. Cotton):在配位化学与能级分裂相关章节提及晶体场处理
  • Introduction to Ligand Field Theory(B. N. Figgis):系统讲解晶体场与配体场框架
  • Molecular Quantum Mechanics(Atkins & Friedman):在分子电子结构与近似模型中涉及相关“场”与能级概念
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