John L. Holmes, Christiane Aubry, Paul M. Mayer

Assigning Structures to Ions in Mass Spectrometry (eBook, PDF)

• Format: PDF

Produktbeschreibung

Assigning Structures to Ions in Mass Spectrometry describes the tools currently available for determining gas-phase ion structures. It 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 how and when to apply computational chemistry and theoretical calculations. Selected case studies illustrate specific challenges associated with ion structure assignment and thermochemical problems. Bringing together key results collected over the past four decades, the book contains the data for describing or identifying ions containing C alone and C with H, O, N, S, P, halogens, and small organic cations.

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Produktdetails

• Verlag: Taylor & Francis
• Seitenzahl: 472
• Erscheinungstermin: 26. Dezember 2006
• Englisch
• ISBN-13: 9780203492475
• Artikelnr.: 52964189

Autorenporträt

John L. Holmes, Christiane Aubry, Paul M. Mayer

Inhaltsangabe

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