Journal of Physical Chemistry p. 4360 - 4364 (1987)
Update date:2022-08-11
Topics:
Ozturk, F.
Baykut, G.
Moini, M.
Eyler, J. R.
The reactions of linear C3H3+ with acetylene, diacetylene, and deuteriated acetylene were investigated with a Fourier transform ion cyclotron resonance (FTICR) mass spectrometer.A rate coefficient of (1.4 +/- 0.7)E-9 cm3/s was obtained for the reaction of linear C3H3+ with diacetylene while no production of larger ions was observed with acetylene.The ejection capabilities of FTICR were used to study the reactions of different C3H3+ precursors with C2H2 in order to investigate the possible production of C5H5+ from ionic sources other than C3H3+ present in the reaction medium.Linear C3H3+ isomerized to the cyclic form in the reactions with both acetylene and diacetylene.The isomerization was shown to take place via a long-lived C5H5+ complex by isotope exchange reactions between linear C3H3+ and deuteriated acetylene.Results are discussed in relation to previous work involving C3H3+ reactions and a proposed ionic route to soot formation.
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