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UBC Theses and Dissertations

Studies of geometrical isomers by photo-ionization mass spectrometry Stewart, William Brien


A series of isomeric tricyclic [²̕⁴] oct-8—[symbols omitted] derivatives have been studied by photoionization mass spectrometry and the low resolution mass spectra of the compounds obtained. The observed differences in the relative intensities in the spectra of the isomers are explained on the basis of the geometry of the tricyclic system. The major fragments of the low resolution spectra were 'mass measured' to determine their elemental composition and, from the information obtained, possible fragmentation pathways are postulated. In addition, the ionization potential of all isomers was determined by electron impact.

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