Abstract

A study on the dissociative electron attachment to amines and thiols is presented. The previous observations made for oxygen containing compounds, namely the use of methyl as a protective group, the dependence of the energy for the observed DEA band on which alkyl group is lost and the non-dissociative nature of the (2n, 3s2) Feshbach resonances with respect to the Y–C bond (Y=N or O), are extended to amines. Amendments to these trends are provided by the study of primary and secondary amines. For thiols the selectivity in bond cleavage is reflected in the fact that S–H bonds are broken in the 0-3 eV range by shape resonances, while Feshbach resonances lead to the preferential breaking of the S–C bonds in the 7–15 eV range.

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