Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Spin-Rotational Relaxation of a Nuclear Spin on an Internal Rotor

  • Jo-Woong Lee (Department of Chemistry, College of Natural Science, Seoul National University)
  • Published : 1983.02.20
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Abstract

A magnetic nucleus located on an internal rotor can interact with magnetic fields arising from end-over-end molecular rotation as well as internal rotation. In this paper the expressions for spin-rotational relaxation times, $T_{1.SR}\;and\;T_{2.SR}$, are derived for such nucleus with the anisotropy of molecular rotation explicitly taken into consideration. The derived expressions are shown to be composed of two parts, the contribution from spin-overall-rotation coupling and that from spin-internal-rotation coupling. Some remarks on the use of derived expressions are also provided.

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