Mass spectrometric study of the photoionization of CS. The dissociation energy of the CS molecule

✍ Scribed by P. Coppens; J. Drowart

• Publisher: Elsevier Science
• Year: 1995
• Tongue: English
• Weight: 342 KB
• Volume: 243
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(95)00850-4

✦ Synopsis

A mass spectrometric study of the photoionization of CS provides 11.319 + 0.006 eV for the ionization potential, in agreement with literature values. Three Rydberg series converging to the C 2,~ + state of the molecular ion are identified. Their limit is 18.003 -t-0.006 eV. The threshold for dissociative ionization of CS towards S ÷ is located at 70.05 + 0.1 nm and yields D°(CS, 0 K) = 709.4 ± 2.5 kJ/mol. This result is briefly compared with prior data. D°(CS, 0 K) = 709.6 -t-1.2 kJ/mol and D°(CS ÷, 0 K) = 617.1 ± 1.3 kJ/mol are selected as the best estimates for these quantities.