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Virginia Commonwealth University
BENZENE RADICAL-CATION; UNIMOLECULAR DECOMPOSITION; STEPWISE HYDRATION; CHEMISTRY; COMPLEX; PHOTOIONIZATION; POLYMERIZATION; MOLECULES; MECHANISM; ENERGIES
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Full-Text Articles in Physical Sciences and Mathematics
Structure And Hydration Of The C4h4 •+ Ion Formed By Electron Impact Ionization Of Acetylene Clusters, Paul O. Momoh, Ahmed Hamid, Samuel A. Abrash, M. Samy El-Shall
Structure And Hydration Of The C4h4 •+ Ion Formed By Electron Impact Ionization Of Acetylene Clusters, Paul O. Momoh, Ahmed Hamid, Samuel A. Abrash, M. Samy El-Shall
Chemistry Publications
Here we report ion mobility experiments and theoretical studies aimed at elucidating the identity of the acetylene dimer cation and its hydrated structures. The mobility measurement indicates the presence of more than one isomer for the C4H4 •+ ion in the cluster beam. The measured average collision cross section of the C4H4 •+ isomers in helium (38.9 ± 1 Å2) is consistent with the calculated cross sections of the four most stable covalent structures calculated for the C4H4 •+ ion [methylenecyclopropene (39.9 Å2), 1,2,3-butatriene (41.1 Å2), cyclobutadiene (38.6 Å2), and vinyl acetylene …