Mass spectrometric study of the photoionization of carbon disulphide in the wavelength interval 125–60 nm
- 1 January 1979
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
- Vol. 75, 292-301
- https://doi.org/10.1039/f29797500292
Abstract
The ionization and dissociative ionization of CS2 by photon impact have been investigated mass spectrometrically in the wavelength interval λ= 125–60 nm. The efficiency curves for formation of CS+ 2, CS+, S+ and S+ 2 are presented and discussed. From the thresholds for formation of the fragment ions, values for the bond dissociation energy D°(S—CS, g, 0 K)= 432.1 ± 2.0 kJ mol–1, the dissociation energy of CS, D°(CS, g, 0 K)= 712.1 ± 2.3 kJ mol–1, the enthalpy of formation of CS, ΔHo f(CS, g, 0 K)= 273.9 ± 2.2 kJ mol–1 and the ionization potential of S2, i.p.(S2)= 9.38 ± 0.03 eV are deduced and compared with literature values.Keywords
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