Product Branching Ratio of the HCCO + NO Reaction

The reaction of HCCO radicals with NO was studied at room temperature by excimer laser photolysis of ketene precursor molecules followed by infrared absorption spectroscopic detection of CO and CO2 product molecules. After quantification of product yields and consideration of secondary chemistry, we...

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Published in:The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Molecules, spectroscopy, kinetics, environment, & general theory, 2000-01, Vol.104 (2), p.293-296
Main Authors: Rim, Kwang Taeg, Hershberger, John F
Format: Article
Language:English
Subjects:
CHEMICAL REACTION KINETICS
COMBUSTION PRODUCTS
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
KETENES
NITRIC OXIDE
PHOTOLYSIS
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cited_by cdi_FETCH-LOGICAL-a238t-f824a97ed67b0a482ecf00937d4c8fc2e4c02f7aa3693c962621bb104a3d2b503
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container_title The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory
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creator Rim, Kwang Taeg
Hershberger, John F
description The reaction of HCCO radicals with NO was studied at room temperature by excimer laser photolysis of ketene precursor molecules followed by infrared absorption spectroscopic detection of CO and CO2 product molecules. After quantification of product yields and consideration of secondary chemistry, we obtain the following product branching ratios (1σ error bars) at 296 K:  0.12 ± 0.04 for CO2 + (HCN) and 0.88 ± 0.04 for CO + (HCNO). In addition, we estimate a relative quantum yield for HCCO production in the 193 nm photolysis of CH2CO to be 0.17 ± 0.02.
doi_str_mv 10.1021/jp9922209
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subjects CHEMICAL REACTION KINETICS
COMBUSTION PRODUCTS
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
KETENES
NITRIC OXIDE
PHOTOLYSIS
title Product Branching Ratio of the HCCO + NO Reaction
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