Electron--ion coincidences studies of the fragmentation of thiophene and of tetrahydrothiophene upon core ionization
Journal Article
·
· Journal of Chemical Physics; (USA)
- Department of Chemistry, University of Notre Dame, Notre Dame, Indiana 46556 (US)
- KFA Juelich, IEE-IFF, Postfach 1913, D5170 Juelich, Federal Republic of Germany (DE)
We have measured the fragment ion spectra of thiophene and tetrahydrothiophene in coincidence with selected Auger final states following the ionization of a S 2{ital p} or C 1{ital s} core electron. Contrary to our earlier observations for diatomic and triatomic molecules, for thiophene and tetrahydrothiophene the fragmentation is quite unselective to the extent that many of the fragmentation channels are open immediately at the Auger threshold. Moreover, the kinetic energy released in the fragmentation is largely independent of the energy of the Auger final state.
- OSTI ID:
- 5994317
- Journal Information:
- Journal of Chemical Physics; (USA), Vol. 94:1; ISSN 0021-9606
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
THIOPHENE
FRAGMENTATION
INNER-SHELL IONIZATION
AUGER EFFECT
COINCIDENCE METHODS
DISSOCIATION
INNER-SHELL EXCITATION
NSLS
P STATES
PHOTOIONIZATION
PHOTOLYSIS
S STATES
SYNCHROTRON RADIATION
ACCELERATORS
BREMSSTRAHLUNG
CHEMICAL REACTIONS
COUNTING TECHNIQUES
CYCLIC ACCELERATORS
DECOMPOSITION
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
HETEROCYCLIC COMPOUNDS
IONIZATION
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PHOTOCHEMICAL REACTIONS
RADIATION SOURCES
RADIATIONS
SYNCHROTRON RADIATION SOURCES
SYNCHROTRONS
400500* - Photochemistry
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
THIOPHENE
FRAGMENTATION
INNER-SHELL IONIZATION
AUGER EFFECT
COINCIDENCE METHODS
DISSOCIATION
INNER-SHELL EXCITATION
NSLS
P STATES
PHOTOIONIZATION
PHOTOLYSIS
S STATES
SYNCHROTRON RADIATION
ACCELERATORS
BREMSSTRAHLUNG
CHEMICAL REACTIONS
COUNTING TECHNIQUES
CYCLIC ACCELERATORS
DECOMPOSITION
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
HETEROCYCLIC COMPOUNDS
IONIZATION
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PHOTOCHEMICAL REACTIONS
RADIATION SOURCES
RADIATIONS
SYNCHROTRON RADIATION SOURCES
SYNCHROTRONS
400500* - Photochemistry