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Author(s):   Lu, C.W.; Wu, Y.J.; Lee, Y.P.; Zhu, R.S.; Lin, M.C.
Title:   Experiments and calculations on rate coefficients for pyrolysis of SO2 and the reaction O plus SO at high temperatures
Journal:   J. Phys. Chem. A
Volume:   107
Page(s):   11020 - 11029
Year:   2003
Reference type:   Journal article
Squib:   2003LU/WU11020-11029

Reaction:   SO + SO2
Reaction order:   3
Temperature:   298 - 3000 K
Rate expression:   4.82x10-31 [±5.0x10-33 cm6/molecule2 s] (T/298 K)(-2.17±0.03)
Category:  Theory
Data type:   Transition state theory
Pressure dependence:   Rate constant is low pressure limit
Comments:   Reaction PES was studied by quantum chemical methods. Rate constants were calculated using transition state theory / RRKM/ master equation modeling.

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Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm6/molecule2 s]
298 4.82E-31
300 4.75E-31
400 2.54E-31
500 1.57E-31
600 1.06E-31
700 7.55E-32
800 5.65E-32
900 4.38E-32
1000 3.48E-32
1100 2.83E-32
1200 2.35E-32
1300 1.97E-32
1400 1.68E-32
1500 1.45E-32
1600 1.26E-32
1700 1.10E-32
1800 9.73E-33
1900 8.65E-33
2000 7.74E-33
2100 6.96E-33
2200 6.30E-33
2300 5.72E-33
2400 5.21E-33
2500 4.77E-33
2600 4.38E-33
2700 4.04E-33
2800 3.73E-33
2900 3.46E-33
3000 3.21E-33