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Title: Kinetics and thermochemistry of R + HBr = RH + Br reactions: determinations of the heat of formation of C2H5, i-C3H7, sec-C4H9, and t-C4H9
Journal: J. Phys. Chem.
Volume: 96
Page(s): 9847 - 9855
Year: 1992
Reference type: Journal article
Squib: 1992SEA/PIL9847-9855
Reaction:
·CH3 + HBr → CH4 + Br·
Reaction order:
2
Temperature:
299 - 536
K
Pressure: 2.40E-3 - 7.33E-3 bar
Rate expression:
1.57x10-12 [±2.66x10-13 cm3/molecule s] e1596 [±607 J/mole]/RT
Bath gas:
He
Category: Experiment
Data type:
Absolute value measured directly
Excitation technique:
Flash photolysis (laser or conventional)
Analytical technique:
Mass spectrometry
View full bibliographic record.
Rate constant values calculated from the Arrhenius expression:
| T (K) | k(T) [cm3/molecule s] |
|---|---|
| 299 | 2.99E-12 |
| 300 | 2.98E-12 |
| 325 | 2.84E-12 |
| 350 | 2.72E-12 |
| 375 | 2.62E-12 |
| 400 | 2.54E-12 |
| 425 | 2.47E-12 |
| 450 | 2.41E-12 |
| 475 | 2.35E-12 |
| 500 | 2.31E-12 |
| 525 | 2.26E-12 |
| 536 | 2.25E-12 |