Intracluster Ion-Molecule Reactions within Methane Homoclusters

Ion-molecule reactions within ionized methane clusters were investigated utilizing electron ionization mass spectrometry, A number of ionic reaction products were observed and interpreted as series of cluster ions of the form (CH4)(n) - X+ where X = CH4, CH5, C2H2, C2H3, C2H4, C2H5, C2H6 and C2H7 and n greater than or equal to 0. These cluster series, except for X = C2H7 and C2H6, are interpreted in terms of known bimolecular ionic reactions with both electron impact energy and pressure dependences. The two cluster ions with X = C2H7 and C2H6 demonstrate cluster reactions occurring easily in a solvated environment. The C3H3+ and C3H5+ ions show evidence of consecutive ionic reactions. Possible reaction paths are discussed and compared with previous work using photoionization of methane clusters and high-pressure mass spectrometry. (C) 1998 John Wiley & Sons, Ltd.
Publisher
Wiley-Blackwell
Issue Date
1998
Language
ENG
Keywords

GAS-PHASE; CLUSTERS; CH5+(CH4)N; DYNAMICS; ENERGETICS; SCATTERING; CHEMISTRY; STABILITY; ETHYLENE; CH4

Citation

JOURNAL OF MASS SPECTROMETRY, v.33, no.7, pp.599 - 606

ISSN
1076-5174
URI
http://hdl.handle.net/10203/71739
Appears in Collection
CH-Journal Papers(저널논문)
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