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Formation of HCO+ and HCS+ Ions in the Photodissociation of CH3OC(S)SCH3 under VUV Synchrotron Radiation

Rodriguez Pirani, Lucas Sebastian et al · American Chemical Society · 2019

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Author / responsible party
Rodriguez Pirani, Lucas Sebastian et al
Publisher
American Chemical Society
Year
2019
ISSN
6674-6682
ISSN
6674-6682
Language
English

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Synchrotron-based total ion yield and photoelectron-photoion-coincidence spectra have been applied to investigate the electronic structure and the dissociative ionization of gaseous O,S-dimethyl xanthate, CH3OC(S)SCH3, in the shallow-core S 2p region. The spectral assignment and the electronic structure are interpreted in terms of the most stable synperiplanar conformer in the Cs symmetry point group. The use of tunable synchrotron radiation allows for a selective excitation of sulfur atoms at different photon energy values, including resonance transitions and ionization around the S 2p level. The fragmentation patterns show that the title molecule is well suited as a laboratory precursor of ionic species found in the interstellar medium, especially formyl and thioformyl cations, HCO+ and HCS+, respectively. Fil: Rodriguez Pirani, Lucas Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Química Inorgánica "Dr. Pedro J. Aymonino". Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Centro de Química Inorgánica "Dr. Pedro J. Aymonino"; Argentina Fil: Canneva, Antonela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Química Inorgánica "Dr. Pedro J. Aymonino". Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Centro de Química Inorgánica "Dr. Pedro J. Aymonino"; Argentina

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APA 7

Rodriguez Pirani, L. S. E. A. (2019). Formation of HCO+ and HCS+ Ions in the Photodissociation of CH3OC(S)SCH3 under VUV Synchrotron Radiation. http://hdl.handle.net/11336/119703

MLA

Rodriguez Pirani, Lucas Sebastian et al. "Formation of HCO+ and HCS+ Ions in the Photodissociation of CH3OC(S)SCH3 under VUV Synchrotron Radiation." 2019. http://hdl.handle.net/11336/119703.

Chicago

Rodriguez Pirani, Lucas Sebastian et al. 2019. "Formation of HCO+ and HCS+ Ions in the Photodissociation of CH3OC(S)SCH3 under VUV Synchrotron Radiation.". http://hdl.handle.net/11336/119703.

Harvard

Rodriguez Pirani, L. S. E. A. 2019, Formation of HCO+ and HCS+ Ions in the Photodissociation of CH3OC(S)SCH3 under VUV Synchrotron Radiation, American Chemical Society, available at: http://hdl.handle.net/11336/119703 [Accessed 6 Aug. 2026].

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Title
Formation of HCO+ and HCS+ Ions in the Photodissociation of CH3OC(S)SCH3 under VUV Synchrotron Radiation
Author / contributors
Rodriguez Pirani, Lucas Sebastian et al
Publisher
American Chemical Society
Publication year
2019
ISSN
6674-6682
ISSN
6674-6682
Language
English

Subjects

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Synchrotron; Photodissociation; VUV; https://purl.org/becyt/ford/1.4; https://purl.org/becyt/ford/1
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