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: Studies in decarboxylation. Part IV. The effect of alkyl substituents on the rate of gas-phase decarboxylation of some βγ-unsaturated acids
Journal: J. Chem. Soc. B
Page(s): 557 - 559
Year: 1967
Reference type: Journal article
Squib: 1967BIG/MAY557-559
Reaction:
3-Pentenoic acid, 2,2-dimethyl- → CO2 + 2-Pentene, 4-methyl-
Reaction order:
1
Temperature:
500 - 564
K
Rate expression:
2.64x1011 [s-1] e-164627 [J/mole]/RT
Bath gas:
3-Pentenoic acid, 2,2-dimethyl-
Category: Experiment
Data type:
Absolute value measured directly
Excitation technique:
Thermal
Analytical technique:
Gas chromatography
View full bibliographic record.
Rate constant values calculated from the Arrhenius expression:
| T (K) | k(T) [s-1] |
|---|---|
| 500 | 1.67E-6 |
| 525 | 1.10E-5 |
| 550 | 6.12E-5 |
| 564 | 1.50E-4 |