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Author(s):   Tranter, R.S.; Klippenstein, S.J.; Harding, L.B.; Giri, B.R.; Yang, X.L.; Kiefer, J.H.
Title:   Experimental and Theoretical Investigation of the Self-Reaction of Phenyl Radicals
Journal:   J. Phys. Chem. A
Volume:   114
Page(s):   8240 - 8261
Year:   2010
Reference type:   Journal article
Squib:   2010TRA/KLI8240-8261

Reaction:   IodobenzenePhenyl + I
Reaction order:   1
Temperature:   1246 - 1853 K
Pressure:  2.93E-2 - 0.93 bar
Rate expression:   no rate data available
Category:  Experiment
Data type:   Absolute value measured directly
Pressure dependence:   Rate constant is pressure dependent
Experimental procedure:   Shock tube
Excitation technique:   Thermal
Time resolution:   In real time
Analytical technique:   Laser schlieren
Comments:   The dissociation of phenyl iodide was observed with both time-of-flight mass spectrometry, TOF-MS, and laser schlieren, LS, diagnostics coupled to a diaphragmless shock tube for temperatures ranging from 1276 to 1853 K. The LS experiments were performed at pressures between 22 and 122 Torr (Kr bath gas), and the TOF-MS experiments were performed at pressures in the range 500-700 Torr (Ne bath gas). These observations are sensitive to both the dissociation of phenyl iodide and to the subsequent self-reaction of the phenyl radicals. Temperature and pressure dependent rate constants of the dissociation of phenyl iodide obtained in individual experiments are given in a table.

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