Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Concentration Dependences of the Isotropic Raman Line Widths of Acetonitrile and Acetonitrile-d$_3$ in Carbon Tetrachloride

  • Choe, Joong-Chul (Molecular Structure Group, Department of Chemistry, Seoul National University) ;
  • Kim, Myung-Soo (Molecular Structure Group, Department of Chemistry, Seoul National University)
  • Published : 1986.02.20
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Abstract

Concentration dependences of the isotropic Raman line widths for the $ {\nu}_1$ (C-H and C-D) and the ${\nu}_2\;(C{\equiv}N)$ modes for $CH_3CN$ and $CD_3CN\;in\;CCl_4$ solutions have been investigated. For the ${\nu}_1$ modes, the dephasing seems to be a good description for the isotropic line broadening in $CCl_4$ solution even though the concentration fluctuation can reproduce the experimental results also. For the ${\nu}_2$ modes, the concentration fluctuation was the dominant mechanism for the concentration-dependent line broadening.

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