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Home ©NIST, 2013 Accessibility information |
Title: The Reaction of Methylidene (CH) with Methanol Isotopomers
Journal: Phys. Chem. Chem. Phys.
Page(s): 2549 - 2554
Year: 2000
Reference type: Journal article
Squib: 2000JOH/BLI2549-2554
Reaction:
CH3OH + ·CH → Products
Reaction order:
2
Temperature:
298 - 753
K
Pressure: 0.13 - 0.80 bar
Rate expression:
1.5x10-5 [±7.15x10-7 cm3/molecule s] (T/298 K)(1.93±0.17)
Bath gas:
He
Category: Experiment
Data type:
Absolute value measured directly
Pressure dependence:
None reported
Experimental procedure:
Static or low flow - Data taken vs time
Excitation technique:
Flash photolysis (laser or conventional)
Time resolution:
In real time
Analytical technique:
Laser induced fluorescence
Comments:
CH or CD radicals have been generated by multiphoton photolysis of CH(D)Br3 at 248 nm.No significant isotopic effect has been observed.The stated error on k represents 1 sigma.CD radicals have been generated from
View full bibliographic record.
Rate constant values calculated from the Arrhenius expression:
| T (K) | k(T) [cm3/molecule s] |
|---|---|
| 298 | 1.50E-5 |
| 300 | 1.52E-5 |
| 325 | 1.78E-5 |
| 350 | 2.05E-5 |
| 375 | 2.34E-5 |
| 400 | 2.65E-5 |
| 425 | 2.98E-5 |
| 450 | 3.33E-5 |
| 475 | 3.69E-5 |
| 500 | 4.08E-5 |
| 525 | 4.48E-5 |
| 550 | 4.90E-5 |
| 575 | 5.34E-5 |
| 600 | 5.80E-5 |
| 625 | 6.27E-5 |
| 650 | 6.77E-5 |
| 675 | 7.28E-5 |
| 700 | 7.81E-5 |
| 725 | 8.35E-5 |
| 750 | 8.92E-5 |
| 753 | 8.99E-5 |