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1973•The Journal of Chemical PhysicsRequires access

Endothermic ion-molecule reactions in silane

J. M. S. Henis, G. W. Stewart, Peter P. Gaspar

Open publisher page 25 citations

Abstract

Endothermic ion-molecule reactions in silane are reported together with rate constants for the observed reactions. Si2+ is observed only from endothermic reactions of Si+ and SiH2+ with silane. Endothermic as well as exothermic channels are observed for the formation of Si2H+, Si2H2+, and Si2H3+. The kinetic energy dependence of reactions yielding Si2H+, Si2H2+, Si2H3+, and Si2H4+ products is reported and analyzed in terms of the mechanism and kinematics of fragmentation for the excited intermediate ion.

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What this paper is about

Endothermic ion-molecule reactions in silane are reported together with rate constants for the observed reactions. Si2+ is observed only from endothermic reactions of Si+ and SiH2+ with silane. Endothermic as well as exothermic channels are observed for the formation of Si2H+, Si2H2+, and Si2H3+. The kinetic energy dependence of reactions yielding Si2H+, Si2H2+, Si2H3+, and Si2H4+ products is reported and analyzed in terms of the mechanism and kinematics of fragmentation for the excited intermediate ion.

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Available abstract

Endothermic ion-molecule reactions in silane are reported together with rate constants for the observed reactions. Si2+ is observed only from endothermic reactions of Si+ and SiH2+ with silane. Endothermic as well as exothermic channels are observed for the formation of Si2H+, Si2H2+, and Si2H3+. The kinetic energy dependence of reactions yielding Si2H+, Si2H2+, Si2H3+, and Si2H4+ products is reported and analyzed in terms of the mechanism and kinematics of fragmentation for the excited intermediate ion.

Key concepts: Endothermic process, Exothermic reaction, Silane, Chemistry, Molecule, Ion, Fragmentation (computing), Photochemistry

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