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Article Dans Une Revue The European Physical Journal D : Atomic, molecular, optical and plasma physics Année : 2014

Stability of the glycine cation in the gas phase after interaction with multiply charged ions

Résumé

This study presents a coupled experimental and theoretical work on the stability of singly charged glycine molecules (NH2CH2COOH+, the simplest amino acid) produced in the collision of neutral glycine with low-energy multiply charged ions in the gas phase. The main fragments observed experimentally result from C-alpha-C-carboxyl bond cleavage. Additionally, some fragments are produced after an intramolecular rearrangement of the glycine cation, in particular the loss of a neutral water molecule following a H-migration. Moreover, this work discusses qualitatively the energy transferred to the molecule in the collision with a comparative study of the fragmentation patterns for different projectile ion charge states.
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Dates et versions

hal-01215239 , version 1 (13-10-2015)

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Sylvain Maclot, Dariusz Grzegorz Piekarski, Rudy Delaunay, Alicja Domaracka, Alain Méry, et al.. Stability of the glycine cation in the gas phase after interaction with multiply charged ions. The European Physical Journal D : Atomic, molecular, optical and plasma physics, 2014, 68 (6), pp.149. ⟨10.1140/epjd/e2014-40819-x⟩. ⟨hal-01215239⟩
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