Kinetics Database Resources
Rate Our Products and Services
Other Databases
NIST Standard Reference Data Program
NDRL-NIST Solution Kinetics Database
NIST Computational Chemistry Comparison and Benchmark Database
The NIST Reference on Constants, Units, and Uncertainty
Administrative Links
 |
Home ©NIST, 2013 Accessibility information |
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:
SO2 → SO + O·
Reaction order:
2
Temperature:
2000 - 5000
K
Rate expression:
4.71x10-8 [cm3/molecule s] e-458876 [J/mole]/RT
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.
View full bibliographic record.
Rate constant values calculated from the Arrhenius expression:
| T (K) | k(T) [cm3/molecule s] |
|---|---|
| 2000 | 4.88E-20 |
| 2100 | 1.82E-19 |
| 2200 | 6.00E-19 |
| 2300 | 1.79E-18 |
| 2400 | 4.85E-18 |
| 2500 | 1.22E-17 |
| 2600 | 2.85E-17 |
| 2700 | 6.25E-17 |
| 2800 | 1.30E-16 |
| 2900 | 2.56E-16 |
| 3000 | 4.82E-16 |
| 3100 | 8.73E-16 |
| 3200 | 1.52E-15 |
| 3300 | 2.57E-15 |
| 3400 | 4.20E-15 |
| 3500 | 6.68E-15 |
| 3600 | 1.04E-14 |
| 3700 | 1.57E-14 |
| 3800 | 2.32E-14 |
| 3900 | 3.37E-14 |
| 4000 | 4.80E-14 |
| 4100 | 6.71E-14 |
| 4200 | 9.25E-14 |
| 4300 | 1.26E-13 |
| 4400 | 1.68E-13 |
| 4500 | 2.22E-13 |
| 4600 | 2.90E-13 |
| 4700 | 3.74E-13 |
| 4800 | 4.78E-13 |
| 4900 | 6.05E-13 |
| 5000 | 7.57E-13 |