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Plasma desorption mass spectrometry of non‐molecular materials: Positive and negative ions formed from [Cd(SC 6 H 4 ‐2‐CH 3 ) 2 ]∞
Author(s) -
Craig A. Grey,
Kinny David,
Garbutt Robert,
Dance Ian G.,
Derrick Peter J.
Publication year - 1992
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.1210271011
Subject(s) - ion , protonation , deprotonation , desorption , mass spectrometry , chemistry , mass spectrum , analytical chemistry (journal) , fragmentation (computing) , polyatomic ion , chromatography , organic chemistry , adsorption , computer science , operating system
Both positive and negative plasma desorption mass spectra of the three‐dimensionally non‐molecular material [Cd(SC 6 H 4 ‐2‐CH 3 ) 2 ]∞ contain fragment ions directly related to the lattice structure of the material. Fragment ions are observed which correspond with [CdSC 7 H 7 ] + ˙ and [CdS 2 C 7 H 7 ] − ˙ which do not involve proton transfer reactions. In contrast, a fragment ion [CdS 2 C 14 H 13 ] − ˙ would appear to involve a deprotonation reaction. The scarcity of protonated positive ion fragments may be a consequence of the sample structure and/or constraints of the analysis system.