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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)
  • Published : 1986.06.20

Abstract

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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References

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