Kinetics Database Logo     Home
©NIST, 2023
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):   Husain, D.; Lee, Y.H.
Title:   Measurement of absolute rate data for the reaction of atomic potassium, K(42S1/2), with CF3Cl, CF2Cl2, CFCl3, CF3Br and SF6 as a function of temperature by time-resolved atomic resonance λ = 404nm[K(52Pj) → K(42S1/2)]
Journal:   J. Chem. Soc. Faraday Trans. 2
Volume:   83
Year:   1987
Reference type:   Journal article
Squib:   1987HUS/LEE2325

Reaction:   CF2Cl2 + K → Products
Reaction order:   2
Temperature:   739 - 834 K
Pressure:  4.21E-2 - 9.43E-2 bar
Rate expression:   2.09x10-10 [±6.14x10-11 cm3/molecule s] e-5504 [±496 J/mole]/RT
Bath gas:   He
Category:  Experiment
Data type:   Absolute value measured directly
Excitation technique:   Flash photolysis (laser or conventional)
Analytical technique:   Vis-UV absorption

View full bibliographic record.

Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
739 8.54E-11
750 8.66E-11
775 8.91E-11
800 9.15E-11
825 9.38E-11
834 9.46E-11