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: High-Temperature Kinetics of Some Si- and Cl-Containing Ceramic Precursors
Journal: Int J. Chem. Kinet.
Volume: 33
Page(s): 741 - 754
Year: 2001
Reference type: Journal article
Squib: 2001KUN/ROT741-754
Reaction:
SiCl4 → SiCl3 + ·Cl
Reaction order:
2
Temperature:
1500 - 2400
K
Pressure: 1.50 bar
Rate expression:
1.15x10-7 [cm3/molecule s] e-313954 [±15797 J/mole]/RT
Uncertainty:
2.9000001
Bath gas:
Ar
Category: Experiment
Data type:
Derived from fitting to a complex mechanism
Pressure dependence:
Rate constant is pressure dependent
Experimental procedure:
Shock tube
Excitation technique:
Thermal
Time resolution:
In real time
Analytical technique:
Vis-UV absorption
Comments:
ARAS Atomic resonance absorption spectroscopy detect H, Cl, Si. Model kinetics to get rate constants
View full bibliographic record.
Rate constant values calculated from the Arrhenius expression:
| T (K) | k(T) [cm3/molecule s] |
|---|---|
| 1500 | 1.34E-18 |
| 1550 | 3.01E-18 |
| 1600 | 6.45E-18 |
| 1650 | 1.32E-17 |
| 1700 | 2.59E-17 |
| 1750 | 4.88E-17 |
| 1800 | 8.88E-17 |
| 1850 | 1.57E-16 |
| 1900 | 2.68E-16 |
| 1950 | 4.46E-16 |
| 2000 | 7.24E-16 |
| 2050 | 1.15E-15 |
| 2100 | 1.78E-15 |
| 2150 | 2.70E-15 |
| 2200 | 4.03E-15 |
| 2250 | 5.90E-15 |
| 2300 | 8.49E-15 |
| 2350 | 1.20E-14 |
| 2400 | 1.68E-14 |