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Poster Presentations
Day 3, June 12（Wed.） Room P1 (Multipurpose Hall)・Room P2 (Conference Room 101+102)
- 3P-03
Long-distance Intramolecular Proton Transfer in Protonated Molecules Studied by Ion Mobility-mass Spectrometry
(Tohoku Univ.)
oKeijiro Ohshimo, Daiki Fuse, Kengo Tsunoda, Yuya Takasaki, Fuminori Misaizu
We have obtained direct experimental evidence that the proton transfers between the two protonation sites in protonated 6-amino-2-naphthoic acid (ANA∙H+) by a single ammonia molecule as a vehicle. The gaseous ANA∙H+ ions were reacted with NH3 under a single-collision condition in a quadrupole ion trap, and the proton-transferred ions were identified by cryogenic ion mobility-mass spectrometry. The ab initio molecular dynamics simulations supported the present experimental finding that the intramolecular proton transfer occurs by the vehicle mechanism.