Rate coefficients and cross-sections for the reactions of C(3PJ) atoms with methylacetylene and allene
作者： Delphine Chastaing , Sébastien D Le Picard , Ian R Sims , Ian WM Smith , Wolf D Geppert
DOI: 10.1016/S0009-2614(00)01231-8
关键词: Computational chemistry 、 Kinetic energy 、 Reactivity (chemistry) 、 Beam (structure) 、 Chemistry 、 Allene 、 Molecule 、 Experimental methods 、 Analytical chemistry
摘要: Abstract The reactivity of C ( 3 P J ) atoms towards methylacetylene and allene has been investigated using complementary experimental methods. Kinetic measurements performed over the range T=15–295 K have yielded thermal rate coefficients: (2.7±0.6)×10 −10 (T/298 −(0.11±0.07) (3.5±0.8)×10 −(0.01±0.12) cm molecule −1 s , respectively. Crossed beam experiments conducted in relative translational energies e tr =4.9–282 meV integral cross-sections for H 2 S 1/2 production that are proportional to −0.56±0.02 −0.55±0.01 respectively, excellent agreement with temperature dependencies coefficients.
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