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Dependency of H-transfer on the initial configuration of the partners in ion-neutral complexes: motion of the partners as a function of the initial geometry of complexes by David J. McAdoo; Charles E. Hudson; John C. Traeger; C.S. Giam is a Chemistry article available to read on EtoBox.

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The hypothesis that partners in ion-neutral complexes in the gas phase react with each other more readily when the smaller partner originates near the center of mass of the larger partner than when the smaller partner originates away from that center of mass is further explored by additional characterization of the losses of ethyl and ethane from a series of substituted ethylnonane ions. Formation of a complex by cleaving ethyl from near the end (2-position) of the nonyl chain results in subsequent Habstraction predominantly from non-adjacent positions in the nonyl partner, while cleavage from the middle (5-position) results in specific abstraction from the positions adjacent to that of the original ethyl, demonstrating migration away from the end but not from the middle of the chain. In addition H-transfer to eliminate ethane increases in importance as the origin of the ethyl is shifted toward the center of the chain, and ethyl escapes more readily from near the end of the chain. The greater tendency for ethyl to escape without abstracting a hydrogen when C-C cleavage occurs near the end of the nonyl chain increases further with increasing internal energy in the ion. Differences i

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Author

David J. McAdoo; Charles E. Hudson; John C. Traeger; C.S. Giam

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0168-1176)

Published

1997

Language

EN

Field

Chemistry (Physical Sciences)