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- W1965054278 abstract "The principal collision-induced fragmentations of simple protonated ketones, aldehydes, ethers, amines, sulphides, alcohols, acids, nitriles and halides are discussed. These protonated molecules decompose mainly by loss of alkane, alkene and RX (R = alkyl, H; X = OH, SH, NH2, Br, I). Substantial radical losses are only observed for small protonated molecules. Deuterium-labelling demonstrates that the XH bond is particularly strong. The fragmentation of (MH)+ ions is compared with that of the corresponding (M)+− ions. The spectra of the (M)+− ions are dominated by direct bond cleavages, in particular α-cleavages, as a result of both the stability of the ionic fragment and the loose transition state. In (MH)+ ions direct bond cleavages lead to energetically less favourable products. Thus rearrangement reactions play a more important role in the decomposition of these ions. (MH)+ ions are more stable relative to fragmentation than (M)+− ions." @default.
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- W1965054278 date "1980-11-01" @default.
- W1965054278 modified "2023-10-10" @default.
- W1965054278 title "Gaseous odd- and even-electron ions" @default.
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- W1965054278 doi "https://doi.org/10.1016/0020-7381(80)80063-5" @default.
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