The ions [CH 3 S] + , [C 2 H 5 S] +  and [CH 3 O] +  formed by electron‐impact | Zendy

Amos D. | Zendy; Gillis R. G. | Zendy; Occolowitz J. L. | Zendy; Pisani J. F. | Zendy

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The ions [CH 3 S] + , [C 2 H 5 S] + and [CH 3 O] + formed by electron‐impact

Author(s) -

Amos D.,

Gillis R. G.,

Occolowitz J. L.,

Pisani J. F.

Publication year - 1969

Publication title -

organic mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 121

eISSN - 1096-9888

pISSN - 0030-493X

DOI - 10.1002/oms.1210020206

Subject(s) - ion , chemistry , deuterium , mass spectrum , crystallography , analytical chemistry (journal) , physics , atomic physics , organic chemistry

The mass spectra of deuterated species shows that both the isomeric ions [CH 2 SH] + and [CH 3 S] + are formed in the ratio 2:1 from CH 3 SH; the ions [CH 3 CHSH] + and [CH 3 CH 2 S] + in the ratio 0·8:1 from CH 3 CH 2 SH; and [CH 2 OH] + and [CH 3 O] + in the ratio 6·7:1 from methanol. The heats of formation of [CH 3 S] + and [C 2 H 5 S] + 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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