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Chemical ionization mass spectrometry of halogenoalkanes with tetramethylsilane as reagent gas
Author(s) -
Chizhov Oleg S.,
Kadentsev Valentin I.,
Stomakhin Andrei A.
Publication year - 1991
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.1210260909
Subject(s) - tetramethylsilane , chemistry , trimethylsilyl , mass spectrometry , reagent , mass spectrum , chemical ionization , ion , electron ionization , alkyl , ionization , polyatomic ion , analytical chemistry (journal) , inorganic chemistry , organic chemistry , chromatography
Chemical ionization mass spectra of halogenoalkanes (RX) obtained using tetramethylsilane as reagent gas show two major peaks corresponding to the cluster ion RX + SiMe 3 and alkyl ion R + . Iodides exhibit the highest affinity toward the trimethylsilyl ion and produce the most stable silylated molecular ions, whereas bromides and especially chlorides are less reactive toward Me 3 Si + ions and form less stable [M + SiMe 3 ] + ions.
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