Kinetics Database Logo     Home
©NIST, 2022
Accessibility information
Kinetics Database Resources

Simple Reaction Search

Search Reaction Database

Search Bibliographic Database

Set Unit Preferences

Contact Us to Submit an Article



Other Databases

NIST Standard Reference Data Program

NIST Chemistry Web Book

NDRL-NIST Solution Kinetics Database

NIST Computational Chemistry Comparison and Benchmark Database

The NIST Reference on Constants, Units, and Uncertainty


Administrative Links

DOC home page

NIST home page

MML home page

Chemical Sciences Division

Applied Chemicals and Materials Division

Author(s):   King, K.D.; Nguyen, T.T.
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
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