Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Spin-Rotation Interaction in Polyatomic Molecules in the Presence of Internal Rotation

內部廻轉存在時의 多原子分子에서의 스핀-廻轉相互作用

  • Lee Jo W. (Department of Chemistry, College of Natural Sciences, Seoul National University)
  • 이조웅 (서울대학교 자연과학대학 화학과)
  • Published : 1976.10.30
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Abstract

A magnetic nucleus located on an internal rotor in a polyatomic molecule can interact with the magnetic fields arising from internal rotation as well as end-over-end molecular rotation. In this paper the spin-rotation coupling Hamiltonian for a nuclear spin on a symmetrical internal rotor in a polyatomic molecule is derived. The derived spin-rotation Hamiltonian turns out to be composed of the two parts: the spin-over-all-rotation interaction and the spin-internal-rotation interaction. The relation between the spin-rotation coupling tensor and the magnetic shielding effect is also investigated.

多原子分子內의 內部廻轉子上에 있는 磁氣核은 分子의 全體廻轉으로 因하여 생기는 磁氣場뿐만 아니라 內部廻轉에 基因하는 磁氣場과도 相互作用할 수 있다. 이 論文에서는 多原子分子內의 內部廻轉子上에 있는 核스핀에 對한 스핀-廻轉相互作用 Hamiltonian을 誘導하였다. 誘導된 Hamiltonian은 스핀과 全體廻轉間의 相互作用을 나타내는 部分 및 스핀과 內部廻轉間의 相互作用을 나타내는 部分과의 合으로 이루어져 있음을 밝혔다. 스핀-廻轉相互作用 tensor와 磁氣的 가리움效果 間의 關係도 또한 調査하였다.

Keywords

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