Assigning structures to ions in mass spectrometry
著者
書誌事項
Assigning structures to ions in mass spectrometry
CRC Press, c2007
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
Summarizing our present knowledge of the structures and chemistry of small organic cations in the gas phase, Assigning Structures to Ions in Mass Spectrometry presents the methods necessary for determining gas-phase ion structures. It is a comprehensive resource of background material that is essential for the interpretation and understanding of organic mass spectra.
Following a historical introduction of chief discoveries, the book surveys current experimental methods for ion production and separation as well as those designed to reveal qualitative and quantitative aspects of gas-phase ions. It also examines the computational chemistry and theoretical calculations that provide complementary thermochemical, structural, and mechanistic information. Five selected case studies illustrate specific challenges associated with ion structure assignment and thermochemical problems. The last major section of the book contains the data for describing or identifying all ions containing C alone and C with H, O, N, S, P, halogens, and small organic cations.
Presenting material written by leading researchers in the field, Assigning Structures to Ions in Mass Spectrometry underscores the importance of understanding the behavior of small organic ions and gas-phase ion chemistry for making new ion structure assignments
目次
- PART I: THEORY AND METHODS Tools for Identifying the Structure of Gas-Phase Ions Introduction How Ions Are Generated and Separated for Analysis Thermochemistry-Its Role in Assigning Ion Structures Experiments with Mass-Selected Ions Reactivity of Ions
- Another Tool for Ion Structure Determination Use of Computational Chemistry in Ion Structure Determination What and What Not to Expect from Gas-Phase Ions Introduction Identification of a New Class of Ions: Distonic Ions The McLafferty Rearrangement: A Concerted or Stepwise Process? Peptide Ion Fragmentation: The Structure of b-Type Ions The Need for Computational Chemistry: The Methylacetate Ion Story A Problem with Neutral Thermochemistry: DfH(CH3CH2OOH) Revisited Some Advice When Assigning Structures to Gas-Phase Ions References to Part 1 PART II: IONS CONTAINING C AND POLYATOMIC IONS CONTAINING ONE TO THREE C ATOMS Ion Structures Introduction Thermochemical Data Ions Containing Only Carbon Atoms Isomers/Identification References Ions Containing One Carbon Atom References Ions Containing Three Carbon Atoms Index of C1 to C3 Ion Formulae Index
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