V2EX mcscf

MCSCF

释义 Definition

MCSCF 是量子化学中的缩写,指 Multiconfigurational Self-Consistent Field(多组态自洽场):一种用“多个电子组态(构型)共同描述波函数”,并同时优化分子轨道与组态系数的电子结构计算方法。常用于强静态相关(例如键断裂、激发态、过渡金属体系)的问题。

发音 Pronunciation

/m si s si f/

例句 Examples

MCSCF methods are useful when a single-reference approach fails.
当单参考方法失效时,MCSCF 方法往往很有用。

To model the excited states accurately, we performed an MCSCF calculation with an optimized active space.
为了更准确地模拟激发态,我们在优化的活性空间下进行了 MCSCF 计算。

词源 Etymology

MCSCF 来自术语 Multiconfigurational Self-Consistent Field 的首字母缩写:

  • multi- 表示“多个”
  • configurational 指“组态/构型”(不同的电子占据方式)
  • self-consistent field 指通过迭代使轨道与场达到“自洽”的方法传统(与 HartreeFok 等方法同属一类迭代自洽思想)。

相关词 Related Words

文学与名著用例 Literary Works

  • Helgaker, Jrgensen, Olsen,《Molecular Electronic-Structure Theory》中多处讨论 MCSCF 的理论框架与应用。
  • Szabo & Ostlund,《Modern Quantum Chemistry》涉及多参考思想与相关方法背景(常与 MCSCF 相关联)。
  • Roos 等人的经典论文与综述中,MCSCF(尤其与 CASSCF 概念)作为多参考计算的核心方法频繁出现。
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