resonances in electron transmission (ETS) and x-ray absorption (XAS) spectroscopies of dimethyl(poly)sulphides (, 2, 3)
| Autor: | Alberto Modelli, Michel Tronc, F Bournel, D. Jones, Christine Dézarnaud-Dandine |
|---|---|
| Rok vydání: | 1998 |
| Předmět: |
Physics
X-ray absorption spectroscopy Valence (chemistry) Band gap Condensed Matter Physics Antibonding molecular orbital Atomic and Molecular Physics and Optics Condensed Matter::Materials Science Excited state Physics::Atomic and Molecular Clusters Physical chemistry Molecular orbital Atomic physics Ionization energy HOMO/LUMO |
| Zdroj: | Journal of Physics B: Atomic, Molecular and Optical Physics. 31:L497-L502 |
| ISSN: | 1361-6455 0953-4075 |
| DOI: | 10.1088/0953-4075/31/11/004 |
| Popis: | shape resonances involving S - C and S - S antibonding levels have been observed in low-energy electron transmission spectroscopy (ETS) and sulphur 1s excitation spectra (XAS) of dimethylsulphide (DMS), dimethyldisulphide (DMDS) and dimethyltrisulphide (DMTS). A correlation diagram is established for ionization energies (IEs) of valence occupied molecular orbitals, term values (TVs) of sulphur K-shell excited states and electron attachment energies (AEs) for temporary negative ion resonance states of these molecules showing a strong decrease of the HOMO - LUMO energy gap with the sulphur atom chain length. |
| Databáze: | OpenAIRE |
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