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Title: Rates and mechanisms of gas-phase desubstitution of hexadeuteriobenzene and benzene derivatives C6H5X, X = CH3, CF3, OH, Cl, and F, by H atoms between 898 and 1039 K
Journal: J. Phys. Chem.
Volume: 94
Page(s): 4127 - 4134
Year: 1990
Reference type: Journal article
Squib: 1990MAN/LOU4127-4134
Reaction:
Toluene + H· → Benzene + ·CH3
Reaction order:
2
Reference reaction:
Benzene-d6 + H· → Benzene-d5 + D
Reference reaction order:
2
Temperature:
931 - 1039
K
Pressure: 1.01 bar
Rate expression:
3.16x10-1±4.1x10-2 e4689 [±1064 J/mole]/RT
Category: Experiment
Data type:
Relative rate value measured
Experimental procedure:
Flow tube - Data taken vs distance
Excitation technique:
Thermal
Time resolution:
By end product analysis
Analytical technique:
Mass spectrometry
Comments:
The reaction mechanism is H addition/displacement.
Uncertainties are 1 sigma and are precision only.
View full bibliographic record.
Rate constant values calculated from the Arrhenius expression:
| T (K) | k(T) [] |
|---|---|
| 931 | 5.79E-1 |
| 950 | 5.72E-1 |
| 975 | 5.64E-1 |
| 1000 | 5.55E-1 |
| 1025 | 5.48E-1 |
| 1039 | 5.44E-1 |