A Study of Ion Kinetic Energy Spectrometry of Doubly Charged Ions and Singly Charged Ions of o-,m-,p-DimethylBenzenes in Gas Phase

Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (7): 960.

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A Study of Ion Kinetic Energy Spectrometry of Doubly Charged Ions and Singly Charged Ions of o-,m-,p-DimethylBenzenes in Gas Phase

LI Zhi-li¹, LIU Shu-ying¹, PENG Jia-rou², ZHANG Hai-ying²

1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022;
2. Central Laboratory of Beijing Medical University, Beijing

Received:1991-07-18 Online:1992-07-24 Published:1992-07-24

Abstract

Abstract: With the Mass Analyzed Ion Kinetic Energy Spectrometry (MIKES) and Collision-Induced Dissociation (CID) techniques, the reactions of the doubly charged ions and singly charged ions from o-, m-, p- dimethyl benzenes in the El source have been studied.In terms of the values of the kinetic energy releases (T) of the charge separation reactions of the doubly charged ions and the estimated intercharge distances (R) of the splitting doubly charged ions in their transition structures, some structural information about the transition states can be obtained.It is interesting that MIKES/CIDspectrum of [C₈H₁₀]^+·, singly charged ion of o-dimethyl benzene is different from those of the others two isomers.

Key words: Dimethyl benzene, Doubly charged ions, Mass analyzed ion kinetic energy spectrom-etry, Collision-induced dissociation, Charge separation

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LI Zhi-li, LIU Shu-ying, PENG Jia-rou, ZHANG Hai-ying. A Study of Ion Kinetic Energy Spectrometry of Doubly Charged Ions and Singly Charged Ions of o-,m-,p-DimethylBenzenes in Gas Phase[J]. Chem. J. Chinese Universities, 1992, 13(7): 960.

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A Study of Ion Kinetic Energy Spectrometry of Doubly Charged Ions and Singly Charged Ions of o-,m-,p-DimethylBenzenes in Gas Phase

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