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- W2291244699 abstract "Ionization of diborane by electron impact in the source of a Flowing Afterglow-Selected Ion Flow Tube (FA-SIFT) gives rise to an enormous number of borohydride anions and cations. Many of these ions have been identified by earlier studies in an ICR, or analyzed using ab initio computations. Because boron consists of appreciable amounts of two isotopes, {sup 10}B and {sup 11}B, several different ionic species may appear at the same mass. The ion at m/z=13 is purely the {sup 11}BH{sub 2}+ isotopomer. The FA-SIFT enables selection of this ion out of the source mixture using a source quadrupole. This {open_quotes}SIFTed{close_quotes} ion can then be injected into a second flow tube for reaction studies. The chemistry of BH{sub 2}+ has been initially probed by studying the mechanism and energetics of H/D exchange in the reaction of BH{sub 2}+ + D{sub 2}. BH{sub 2}+ is the boron analog of methyl cation, and it is hoped that comparisons of the chemistry of these two ions will elucidate mechanistic aspects of the reactions of methyl cation. Ab initio computations have been carried out to help define the reaction pathway." @default.
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- W2291244699 date "1995-12-31" @default.
- W2291244699 modified "2023-09-27" @default.
- W2291244699 title "Mechanism of H/D exchange in the reaction of BH{sub 2}{sup +} + deuterium" @default.
- W2291244699 hasPublicationYear "1995" @default.
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