Abstract
A guided ion beam tandem mass spectrometer is used to examine the kinetic energy dependence of reactions of Pt+ with NO, NO2 and N2O, and PtO+ with NO and NO2, as well as collision-induced decomposition (CID) of PtO+ with N2 and PtNO+ with Xe. Pt+ reacts with NO and NO2 most efficiently by charge transfer, although oxygen atom transfer is also prominent for NO2 and the dominant reaction with N2O. Charge transfer is also the most efficient process observed for PtO+ + NO, whereas this ion reacts with NO2 by inefficient oxygen atom transfer, and in the reaction of PtO+ with N2, only simple CID and ligand exchange are observed. Analysis of the kinetic energy dependences for endothermic reaction cross sections yields the 0 K bond dissociation energies (
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