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The unimolecular and collisionally activated decompositions of fluorine‐substituted tetraphenyltetrahedrane ions on the microsecond time‐scale
Author(s) -
Bursey Maurice M.,
Harvan Donald J.,
Hass J. Ronald
Publication year - 1985
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210200306
Subject(s) - microsecond , ion , chemistry , ring (chemistry) , tetrahedron , decomposition , fluorine , computational chemistry , crystallography , physics , organic chemistry , astronomy
Unimolecular and collision‐induced decomposition products of [C 4 (C 6 H 5 ) 2 (C 6 H 4 F) 2 ] + ˙ generated from four unsymmetrical sources include [C 14 H 10 ] + ˙ and [C 14 H 8 F 2 ] + ˙ and so provide evidence for a tetrahedral intermediate. Other decompositions show substantial influence of the position of the ρ‐fluorophenyl ring on ion energy distributions. This influence may be related to the reported absence of peaks diagnostic for the tetrahedral intermediate from the spectrum of the equivalent ion from the appropriate 13 C‐labeled analog. Alternatively the difference in spectra can be correlated with lifetimes of ions.