期刊
PHYSICAL REVIEW LETTERS
卷 97, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.97.213201
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We report the formation of H-3(+) by proton coagulation in methanol under the impact of low energy Ar8+ projectiles. Our time-of-flight coincidence measurements with CH3OD establish that the H-3(+) formation arises from intramolecular bond rearrangement of the methyl group. We have performed ab initio quantum chemical calculations that show the preferred pathway for C-H-3 bond cleavage. Fragmentation of organic molecules like methanol under impact of highly charged ions is suggested as an alternative mechanism of H-3(+) formation in outer space.
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