Abstract
The isomerization of linear C3H +3 in its reaction with acetylene to cyclic C3H +3 was studied with a quadrupole ion trap mass spectrometer. The reaction of linear C3H +3 with 13C2H2 shows that isomerization takes place via a [C5H +5 ]* activated complex that is unstable relative to disproportionation back into the cyclic and linear forms of C3H +3 and acetylene. The formation of carbon-13 labeled cyclic and linear C,Hi indicates that isomerization involves skeletal exchange. Collisional stabilization of the [C5H +5 ]* collision complex was achieved at a helium pressure of approximately 1 mtorr.
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Moini, M. Isomerization of linear C3H +3 in its reaction with acetylene, and collisional stabilization of the [C5H +5 ]* collision complex in a quadrupole ion trap mass spectrometer. J Am Soc Mass Spectrom 3, 631–636 (1992). https://doi.org/10.1016/1044-0305(92)85004-4
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DOI: https://doi.org/10.1016/1044-0305(92)85004-4