Gas-phase kinetics of the N + C2N reaction at low temperature

The Journal of Physical Chemistry. a
James W StubbingKevin M Hickson

Abstract

The rate of the gas-phase N((4)S) + C2N(X(2)Πi) reaction has been measured in a continuous supersonic flow reactor down to 54 K through the relative-rate method using the N((4)S) + OH(X(2)Π) → H((2)S) + NO(X(2)Π) reaction as a reference. The microwave discharge technique was employed to produce high concentrations of atomic nitrogen. Pulsed laser photolysis of precursor molecules Cl3C2N and H2O2 at 212 nm in situ led to C2N and OH radical formation, respectively. The rate constant is shown to be approximately independent of temperature, in contrast to previous studies of atom-radical reactions involving atomic nitrogen. While the reaction rate is faster than previously estimated, astrochemical simulations indicate that this reaction is probably only a minor source of CN radicals in dense interstellar clouds.

References

Mar 4, 2006·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Jian WangChia-chung Sun
Sep 17, 2009·Physical Chemistry Chemical Physics : PCCP·Astrid BergeatMichel Costes
Apr 22, 2010·The Journal of Chemical Physics·Pablo GamalloMiguel González
Sep 15, 2010·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Julien DaranlotKevin M Hickson
Jun 13, 2012·Proceedings of the National Academy of Sciences of the United States of America·Julien DaranlotKevin M Hickson
Aug 7, 2012·Physical Chemistry Chemical Physics : PCCP·Kevin M Hickson, Astrid Bergeat
Jul 12, 2013·Physical Chemistry Chemical Physics : PCCP·Julien DaranlotKevin M Hickson
Jun 11, 2014·Physical Chemistry Chemical Physics : PCCP·Jean-Christophe LoisonDaiqian Xie

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Citations

Jun 20, 2020·Physical Chemistry Chemical Physics : PCCP·Kevin M HicksonMichel Dobrijevic
Oct 3, 2019·Physical Chemistry Chemical Physics : PCCP·Dianailys Nuñez-ReyesMichel Dobrijevic

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