Translational spectroscopy of the triatomic dications CO2+2, OCS2+ and CS2+2

Jonathan, P. and Hamdan, M. and Brenton, A.G. and Willett, G.D. (1988) Translational spectroscopy of the triatomic dications CO2+2, OCS2+ and CS2+2. Chemical Physics Letters, 119 (1). pp. 159-170. ISSN 0301-0104

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Measurement of single-electron capture (SEC) and translational energy spectroscopy (TES) of the triatomic dications CO2+2, OCS2+, CS2+2 at high product ion resolution (typically 0.6 eV) is facilitated by a novel translational spectrometer. Calibration of SEC spectra allows the detection and precise assignment of observed state-selective processes; TES data indicate the presence of dication state having the same spin symmetry. Since single and double ionisation of each triatomic neutral ACB (where A and B represent O and S) to low-lying cation states occurs by removal of essentially non-bonding electrons, the bond lengths and energies of each ACB, ACB+ and ACB2+ are similar. Therefore, current data permit the evaluation of electronic levels of the triatomic dications in excellent agreement with previous experimental and theoretical work. A systematic procedure for future investigations of multiply charged molecular ions is proposed.

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Journal Article
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Chemical Physics Letters
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24 Apr 2019 08:20
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15 Sep 2023 04:29