Abstract
Dissociative electron attachment to PtBr2 in the gas phase was studied in the low electron energy range from zero up to 10eV with an energy resolution of 150meV. The experiments were carried out using a hemispherical electron monochromator coupled with a quadrupole mass spectrometer and pulse counting acquisition system. The only anion observed was Br−. This ion is formed at three resonance electron energies: 0.4eV, 1.2eV and 7eV. By the measurements of the Br− formation at different sample temperatures (in the 350–430K range) the 0.4eV resonance was associated with the electron capture by HBr generated in the apparatus at elevated temperatures. In addition, the thermodynamic thresholds for dissociative electron attachment reactions for platinum(II) bromide were calculated and compared with the experimental results.
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