Title: Electron Impact Induced Excitation Processes Involving the Sulfur Clusters S<sub>2</sub> to S<sub>8</sub>
Abstract: Abstract Ionization efficiency curves of the gaseous sulfur species S i ( i = 2–8) in equilibrium with solid red HgS were obtained by electron impact ionization. Analysis of fine structure of the curves yields energy levels of ground and excited ion states. — For S 2 and S 8 the experimental values are in good agreement with independent photoionization and photoelectron spectroscopic data from the literature. In the case of S 3 to S 7 numerous appearance potentials were determined which reflect processes such as direct ionization, autoionization, fragmentation, and predissociation. Extended Hückel calculations were performed for verification of the experimental energies and for spectroscopic assignment of states. — By the second and third law methods the heats of the gas phase reactions S i (g) = i /2 S 2 (g) ( i = 3–8) and average bond energies of the sulfur species were determined.
Publication Year: 1983
Publication Date: 1983-06-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 49
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