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Kinetic investigation of reactions of atomic carbon, C[2p2(3PJ)], with simple nitrogen-containing molecules and aromatic heterocyclic compounds

Paper ID Volume ID Publish Year Pages File Format Full-Text
28898 44104 2007 7 PDF Available
Title
Kinetic investigation of reactions of atomic carbon, C[2p2(3PJ)], with simple nitrogen-containing molecules and aromatic heterocyclic compounds
Abstract

The reactions of atomic carbon in its electronic ground state, C[2p2(3PJ)], with some simple nitrogen-containing molecules and aromatic heterocyclic compounds have been investigated by time-resolved atomic resonance absorption spectroscopy in the vacuum ultra-violet following the generation of C(23PJ) by the pulsed photolysis of C3O2. Decay profiles for atomic carbon were derived from resonance absorption measurements at λ = 166 nm (33PJ–23PJ) using repetitive pulsing techniques coupled with signal averaging. Absolute rate data for the collisional removal of C(23PJ) by these gases were obtained as follows: kR (cm3 molecule−1 s−1, 300 K): NH3 < 1.1 × 10−1, 1-propanamine < 8.2 × 10−12, 2-methylpyridine = 5.3 ± 0.6 × 10−10, 4-methylpyridine = 5.5 ± 0.2 × 10−10, 1-methylpyrrole = 2.3 ± 0.5 × 10−10, thiazole = 2.9 ± 0.2 × 10−10, oxazole = 2.4 ± 0.2 × 10−10 and isoxazole = 2.2 ± 0.3 × 10−10. The rate data were compared, where possible, with absolute rate data for analogous collision targets reported hitherto and considered within the context of the role of atomic carbon in the interstellar medium.

Keywords
Ground state carbon atoms; Reactions with nitrogen-containing molecules; Absolute rate data; Pulsed irradiation studies; Time-resolved atomic resonance spectroscopy in vacuum UV; Role in interstellar medium including ammonia
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Kinetic investigation of reactions of atomic carbon, C[2p2(3PJ)], with simple nitrogen-containing molecules and aromatic heterocyclic compounds
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 185, Issues 2–3, 25 January 2007, Pages 161–167
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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