The ions [CH3S]+, [C2H5S]+ and [CH3O]+ formed by electron-impact |
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| Authors: | D. Amos R. G. Gillis J. L. Occolowitz J. F. Pisani |
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| Abstract: | The mass spectra of deuterated species shows that both the isomeric ions [CH2?SH]+ and [CH3? S]+ are formed in the ratio 2:1 from CH3SH; the ions [CH3CH?SH]+ and [CH3CH2S]+ in the ratio 0·8:1 from CH3CH2SH; and [CH2?OH]+ and [CH3? O]+ in the ratio 6·7:1 from methanol. The heats of formation of [CH3S]+ and [C2H5S]+ are of the order of 222 and 203 Kcal.mole?1 respectively. The isomeric ions cannot be distinguished on thermodynamic grounds. |
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