Physics – Chemical Physics
Scientific paper
Apr 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jchph..98.5362b&link_type=abstract
Journal of Chemical Physics (ISSN 0021-9606), vol. 98, no. 7, p. 5362-5374.
Physics
Chemical Physics
14
Hydrocarbons, Photochemical Reactions, Planetary Atmospheres, Reaction Products, Ultraviolet Radiation, Atmospheric Chemistry, Methane
Scientific paper
The products of diacetylene's ultraviolet photochemistry over the 245-220 nm region were directly determined in experiments where C4H2 was excited within a small reaction tube attached to a pulsed nozzle. The products formed in the collisions of C4H2* with C4H2 were subsequently ionized by vacuum UV radiation (at 118 nm) in the ion source of a time-of-flight mass spectrometer. It was found that the reaction of C4H2* with C4H2 produces C6H2 (+C2H2), C8H2 (+2H,H2), and C8H3 (+H), confirming the results of Glicker and Okabe (1987). Under certain conditions, secondary products were observed. Mechanisms for the observed reactions are proposed.
Bandy Ralph E.
Frost Rex K.
Lakshminarayan Chitra
Zwier Timothy S.
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