Elucidation of mechanisms of ion-molecule reactions by ICR

Itzhak Dotan, Ze'ev Karpas, Fritz S. Klein

نتاج البحث: نشر في مجلةمقالةمراجعة النظراء


The mechanisms of some positive and negative ion-molecule reactions have been determined by a quantitative ion cyclotron double-resonance technique with isotopically labelled reactants. Four types of mechanism were elucidated: charge transfer, ion transfer, atom abstraction and complex formation. Thus, charge transfer is shown to be the only major reaction channel in the systems CO+ + CO2, SO- + SO2, and O- + NO2, while in the system Cl2- + Cl2 CO ion transfer is the main mechanism, and complex formation with oxygen-atom scrambling is the major channel in O- + N2O. The experimental results also point out cases where the reaction proceeds by more than one mechanism as, for example, in the reaction system H2O+ + H2O.

اللغة الأصليةالإنجليزيّة
الصفحات (من إلى)77-86
عدد الصفحات10
دوريةInternational Journal of Mass Spectrometry and Ion Physics
مستوى الصوت37
رقم الإصدار1
المعرِّفات الرقمية للأشياء
حالة النشرنُشِر - يناير 1981
منشور خارجيًانعم


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