2004
DOI: 10.1039/b410911b
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Reaction of carbon atoms, C (2p2, 3P) with C3H4(allene and methylacetylene), C3H6(propylene) and C4H8(trans-butene): Overall rate constants and atomic hydrogen branching ratios.

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Cited by 22 publications
(55 citation statements)
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“…Such experiments make it extremely difficult to determine potential secondary sources of C atoms. A comparison with other experimental measurements gives good agreement for C + C 2 H 2 and C + C 2 H 4 (Haider & Husain 1993b, Chastaing et al 1999 but not for all other reactions for which the measurements of Husain and coworkers are systematically larger, between 2.3 times and 3.0 times larger for C + allene (Husain & Ioannou 1997, Loison & Bergeat 2004), 1.4 times larger for C + methylacetylene (Haider & Husain 1992, Loison & Bergeat 2004), 1.5 times larger for C + propene and 1.7 times larger for C + trans-butene (Haider & Husain 1993a, Loison & Bergeat 2004). These differences are incompatible with the reported uncertainties.…”
Section: Rate Constant Estimationmentioning
confidence: 78%
“…Such experiments make it extremely difficult to determine potential secondary sources of C atoms. A comparison with other experimental measurements gives good agreement for C + C 2 H 2 and C + C 2 H 4 (Haider & Husain 1993b, Chastaing et al 1999 but not for all other reactions for which the measurements of Husain and coworkers are systematically larger, between 2.3 times and 3.0 times larger for C + allene (Husain & Ioannou 1997, Loison & Bergeat 2004), 1.4 times larger for C + methylacetylene (Haider & Husain 1992, Loison & Bergeat 2004), 1.5 times larger for C + propene and 1.7 times larger for C + trans-butene (Haider & Husain 1993a, Loison & Bergeat 2004). These differences are incompatible with the reported uncertainties.…”
Section: Rate Constant Estimationmentioning
confidence: 78%
“…The C( 3 P) + C 3 H 4 reaction is known to produce atomic hydrogen at room temperature at the 0.85  0.07 level. 34 In this case, we considered that the H atom branching ratio from the C( 3 P) + C 3 H 4 reaction did not change at 127 K and that the corresponding C( 1 D) + C 3 H 4 reaction also yielded 100% H atoms. VUV LIF signals from the reagent C( 3 P) (or product H( 2 S)) atoms were recorded as a function of delay time between photolysis and probe lasers.…”
Section: Experimental Methodsmentioning
confidence: 99%
“…16,17 In most cases, the and co-workers claimed the presence of at least one other H-atom elimination channel forming a less stable C 3 H 3 isomer(s). In the most recent study, Chin et al 20 investigated the velocity distribution of C 3 H 3 radicals produced by the C( 3 P) + C 2 H 4 reaction, at 14.6 kJ mol -1 collision energy, using two different photoionization energies: 9.5 and 11.6 eV.…”
Section: Introductionmentioning
confidence: 98%