Structures, energetics and fragmentation pathways of CnH22+ carbodications
International Journal of Mass Spectrometry and Ion Processes
Potential energy curves have been calculated for CnH22+ (n = 2−9) ions and results have been compared with data on unimolecular charge-separation reactions obtained by Rabrenović and Beynon. Geometry-optimized, minimum energy, linear CnH22+ structures have been computed for ground and low-lying excited states. These carbodications exist in stable configurations with well depths greater than 3 eV. Decomposition pathways into singly charged fragment ions lead to products with computed kinetic energies in excess of 1 eV. A high degree of correlation exists between experimental information and results computed for linear CnH22+ structures having hydrogen atoms on each end. The exception involves C4H22+reactions where a low-lying doubly charged isomer must be invoked to rationalize the experimental data.
Shields, George C.; Burdick, G. W.; Appling, J. R.; and Moran, T. F.. "Structures, energetics and fragmentation pathways of CnH22+ carbodications." International Journal of Mass Spectrometry and Ion Processes 64, no. 3 (1985) : 315-333.
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