Ionhyphen;molecule reaction sequences in silane, producing tertiary product ions, are reported. A mechanism is presented by which trisilane can be producted from Siplus;ions in recoil silicon studies. It is also reported that Siplus;ions can be efficiently neutralized by charge exchange with triethylamine. Preliminary studies indicate that the addition of triethylamine to recoil silicon experiments results in a decrease in the absolute yield of trisilane without affecting the yields of other products. In addition, information obtained from ionhyphen;molecule studies in silane is applied to radiolysis studies of silane. A mechanism is presented by which higher homologues are produced by hydride ion transfer.
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