## Photoionization mass spectrometry was used to investigate the dynamics of ion-neutral complex-mediated dissociations of the Iz-pentane ion (1). Reinterpretation of previous data demonstrates that a fraction of ions 1 isomerizes to the 2-methylbutane ion (2) through the complex [CHaCH+CHa'CH,CH,
On the formation of CH4+, CH3+, CH2+, CH+ and C+ secondary ions in methane
β Scribed by J. Milhaud
- Book ID
- 107771490
- Publisher
- Elsevier Science
- Year
- 1975
- Weight
- 820 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0020-7381
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The structures ofcthylidcne and propylidene in their lowest singlet states :ue considered using INDO lnd MIND 112 calculations. Using a gadicnt optimization method, it is found that R!INDO/Z predicts no encrg minimu.n f-or singlet ethylidenc, while INDO predicts non-&ssic4 bridged structures for the
The reactions of ten metastable immonium ions of general structure R'R2C=NH+C4H9 (R' = H, R2 = CH, , C2H, ; R' = R2 = CH,) are reported and discussed. Elimination of C4H, is usually the dominant fragmentation pathway. This process gives rise to a Gaussian metastable peak; it is interpreted in terms
On the pownGa1 surface Ior the Me process. eleven slationary points (UHF. 3-21G) have been localed: six minima. three saddle points and two stationary poims of higher order. The most s[able C,H: syskzm has a linear C-H-H-C bond.