 |
Home ©NIST, 2022 Accessibility information |
Contact Us to Submit an Article
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
Title: Very Low-Pressure Pyrolysis (VLPP) of Pentynes. II. 4-Methylpent-2-yne and 4,4-Dimethyl-pent-2-yne. Heats of Formation and Resonance Stabilization Energies of Methyl-Substituted Propargyl Radicals
Journal: Int. J. Chem. Kinet.
Volume: 13
Page(s):
Year: 1981
Reference type: Journal article
Squib: 1981KIN/NGU255
Reaction:
(tert-C4H9)C≡CCH3 → ·CH3 + CH3C≡CC(CH3)2
Reaction order:
1
Temperature:
903 - 1250
K
Rate expression:
2.51x1016 [s-1] e-298490 [±5978 J/mole]/RT
Uncertainty:
2.0
Bath gas:
(tert-C4H9)C≡CCH3
Category: Experiment
Data type:
Absolute value measured directly
Excitation technique:
Thermal
Analytical technique:
Mass spectrometry
View full bibliographic record.
Rate constant values calculated from the Arrhenius expression:
| T (K) | k(T) [s-1] |
|---|---|
| 903 | 1.36E-1 |
| 925 | 3.50E-1 |
| 950 | 9.73E-1 |
| 975 | 2.56E0 |
| 1000 | 6.43E0 |
| 1025 | 1.54E1 |
| 1050 | 3.56E1 |
| 1075 | 7.88E1 |
| 1100 | 1.68E2 |
| 1125 | 3.47E2 |
| 1150 | 6.95E2 |
| 1175 | 1.35E3 |
| 1200 | 2.55E3 |
| 1225 | 4.70E3 |
| 1250 | 8.45E3 |