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Extent of the displacement route in the reactions of fluorine atoms with ethylene, vinyl chloride, and vinyl bromide

Journal Article · · J. Phys. Chem.; (United States)
DOI:https://doi.org/10.1021/j100233a033· OSTI ID:5944345
The chemical branching of three fluorine-atom reactions, those with ethylene, vinyl chloride and vinyl bromide (C/sub 2/H/sub 4/, C/sub 2/H/sub 3/Cl, and C/sub 2/H/sub 3/Br) was studied in real-time experiments using a tubular reactor coupled to a photoionization mass spectrometer. The fluorine atoms were generated by the CO/sub 2/-laser-induced secondary photolysis of C/sub 6/F/sub 5/Cl which also appears to produce tetrafluorobenzyne (c-C/sub 6/F/sub 4/). The measured fractional extents that the three reactions studied proceed by a displacement route at 295/sup 0/K (to yield C/sub 2/H/sub 3/F + X) are 0.65 (+-0.06), 0.72 (+-0.14), and 0.72 (+-0.14) for C/sub 2/H/sub 4/, C/sub 2/H/sub 3/Cl and C/sub 2/H/sub 3/Br, respectively.
Research Organization:
Illinois Inst of Tech., Chicago
OSTI ID:
5944345
Journal Information:
J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 87:10; ISSN JPCHA
Country of Publication:
United States
Language:
English