Steric Effect in Threshold Photoionization Dissociations of Serine Conformers

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dc.creatorTian, Shan Xi
dc.creatorYang, Jinlong
dc.creatorLi, Hai-Bei
dc.creatorPan, Yang
dc.creatorZhang, Taichang
dc.creatorSheng, Liusi
dc.date2008-07-01
dc.date.accessioned2026-07-07T09:47:36Z
dc.date.available2026-07-07T09:47:36Z
dc.descriptionSteric effect in the threshold dissociative ionizations of serine conformers [CH2OH-C\alphaH(NH2)-C\betaOOH] is revealed by high-level ab initio calculations combined with our newly developed infrared laser desorption / tunable VUV photoionization mass spectrometry. We find that near the ionization thresholds the Cα-Cβand Cα-C bonds are selectively broken for the respective cationic conformers, yielding the different fragments. Novel dynamic processes, proton transfer and reorientation between the predissociative fragments, are involved in the threshold photoionization dissociations.
dc.description10 pages, 3 figures, and 2 tables. submitted
dc.identifierhttps://arxiv.org/abs/0807.0062
dc.identifierhttp://arxiv.org/abs/0807.0062
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/163938
dc.subjectChemical Physics
dc.subjectBiological Physics
dc.titleSteric Effect in Threshold Photoionization Dissociations of Serine Conformers
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