Elektronenstossinduzierte Fragmentierung von Acetylenverbindungen—VIII:. Struktur der stabilen und instabilen Ionen [C9H9]+ aus isomeren C9H10-Kohlenwasserstoffen |
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Authors: | Claus Kppel Helmut Schwarz Ferdinand Bohlmann |
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Institution: | Claus Köppel,Helmut Schwarz,Ferdinand Bohlmann |
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Abstract: | The appearance potentials of C9H9]+ have been estimated and the enthalpy of formation, calculated from the data, is correlated with different structural proposals. Open chain structures can be eliminated in favour of aromatic ones (vinyltropylium or indanyl cation). The structure of the unstable C9H9]+ ions is investigated by means of 13C-labelled compounds. The results are also in agreement with the acceptance of aromatic structures. |
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