Bulletin of the Korean Chemical Society

  • 제7권3호
  • /
  • Pages.241-245
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  • 1986
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  • 0253-2964(pISSN)
  • /
  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Temperature Dependence of the Rate Constants of the VV Energy Exchange for N$_2$(v=1)+O$_2$(v=0)$\rightarrow$N$_2$(v=0)+O$_2$(v=1)

  • Ree, Jong-Baik (Department of Chemical Education, College of Education, Chonnam National University) ;
  • Chung, Keun-Ho (Department of Chemical Education, College of Education, Chonnam National University) ;
  • Kim, Hae-Jin (Department of Chemistry, Chonnam National University)
  • 발행 : 1986.06.20
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초록

The vibration-vibration energy exchange of $N_2(v=1)+O_2(v=0){\to}N_2(v=0)+O_2(v=1)$ has been investigated, in particular, at low temperatures. The energy exchange rate constants are calculated by use of the solution of the time-dependent Schrodinger equation with the interaction potential of the colliding molecule as a perturbation term. The predicted rate constants are significantly agree with a experimental values in the range of 295∼$90^{\circ}K$. The consideration of the VV-VT coupling decreases the predicted pure VV energy exchange value by a factor of ∼2. When the collision frequency correction is introduced, the VV-VT rate constant is consistent with the observed value in the liquid phase. The consideration of the population of the rotational energy level increases the VV-VT value significantly.

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