Charge separation (coulomb explosion) processes of doubly charged cations of sandwich compounds in the gas phase: evidence for the junction of two C5H5 units
作者： Thomas Drewello , Carlito B. Lebrilla , Helmut Schwarz , Teodor Ast
DOI: 10.1016/S0022-328X(00)99394-X
关键词: Physical chemistry 、 Ferrocene 、 Charge separation 、 Coulomb explosion 、 Chemical decomposition 、 Electron ionization 、 Nickelocene 、 Metallocene 、 Chemistry 、 Cobaltocene 、 Inorganic chemistry
摘要: Abstract The charge separation reactions (coulomb explosion) of the ferrocene, cobaltocene, and nickelocene dications, generated by electron impact ionization in gas phase, are reported. These sandwich dications display a common behaviour their unimolecular decomposition reactions, which characterized two distinct pathways. One corresponds to reaction [MC 10 H ] 2+ → 5 + C , other generation M (M Fe, Co, Ni). From translational energy releases, associated with processes, intercharge distances exploding transition structures have been calculated. results demonstrate that, irrespective nature metal ion M, interchange distance for formation /C is 5.0 A 6.2 .
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