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Ion Cyclotron Resonance Spectrometry II
Buch
Buch
Fachbuch
1982

Ion Cyclotron Resonance Spectrometry II

ISBN
EAN
978-3-540-11957-9
9783540119579
Artikel-Nr.
G86L433
Kostenloser Versand
Rabatt
-10.9
%
CHF 130.00
CHF
115.88
Anzahl
1
Maximale
Lieferzeit
20
Arbeitstage
Freitag
31.12.2021
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Stichwörter
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Acetat
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Chlorid
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Chromat
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Ketone
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Oxidation
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bonding
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catalysis
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chromatography
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electronics
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enthalpy
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isotope
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metals
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photochemistry
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spectroscopy
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structure
Zielgruppe
Research
Inhaltsverzeichnis
Table of Content.- Topics in Ion Photodissociation.- 1. Introduction.- 2. Experimental Aspects.- 3. Ion Spectroscopy.- 4. Ion Structure Studies.- 4.1.Chloropropene Ions.- 4.2.Benzyl Chloride Ion.- 4.3.Dien-Ion Rearrangements.- 5. Photofragmentation.- 6. Multi photon Photochemistry.- 6.1. Two-Photon Dissociation and Collisional Relaxation.- 6.2. Two-Laser Photodissociation.- References.- Ion Structures and Relaxation of Vibrationally Excited Ions as Studied by Photodissociation.- 1. Introduction.- 1.1. Photodissociation of Ions of One Structural Form.- 1.2. Photodissociation of a Mixture of Ions of Equal Mass.- 1.3. Relaxation of Ions Produced with a Large Amount of Internal Energy.- 1.4. Multiphoton Processes.- 2. Ion Structures.- 2.1. C6H6O·+ Ions.- 2.2. Alkene Ions.- 3. Relaxation in Single Photon Precesses, C2H4·+ Ions from Ethylene Oxide and 1,3-Dioxolane.- 4. Two Photon Processes.- References.- Infrared Photochemistry of Gas Phase Ions.- 1. Introduction.- 2. Experimental Section.- 3. Results.- 3.1. Multiphoton Dissociation of Ions with Low Intensity cw Infrared Radiation.- 3.1.1. Summary of Multiphoton Dissociation Results.- 3.1.2. Variation of Photodissociation Yield with Laser Wavelength.- 3.1.3. Effect of Collisions on Photodissociation Yield.- 3.1.4. Variation of Photodissociation Yield with Laser Irradiance.- 3.2. Applications of Multiphoton Dissociation.- 3.2.1. Multiphoton Excitation as a Probe of Bimolecular and Unimolecular Reaction Energetics.- 3.2.2. Multiphoton Dissociation as a Probe of Molecular Relaxation Rates.- 3.2.3. Multiphoton Dissociation as a Probe of the Vibrational Quasi-Continuum.- 3.2.4. Isotopic Selectivity in Multiphoton Dissociation.- 3.2.5. Isomeric Selectivity in Multiphoton Dissociation.- 3.3. Multiphoton Electron Detachment from Negative Ions.- 3.4. Selective Enhancement of Bimolecular Reaction Rates Using Low Intensity cw Laser Radiation.- 4. Prognosis.- References.- Study of Atomic Metal Ions Generated by Laser Ionization.- 1. Metal Ion Chemistry.- 2. Kinetic Energy of Laser Generated Ions. A Comparison of Techniques.- 3. Fourier Transform Mass Spectrometry.- References.- Gas-Phase Atomic Metal Cations. Ligand Binding Energies, Oxidation Chemistry and Catalysis.- 1. Introduction.- 2. Ligand Dissociation Enthalpies.- 3. Cooperative Bonding Effects.- 4. Metal Oxide Cations.- 5. Catalysis 135.- References.- Transition Metal Ions in the Gas Phase.- 1. Introduction.- 2. Electronically Excited Cr+.- 3. Reactions of Diatomic Metal Ions.- 4. Reactions of Cyclic Ketones.- References.- Elucidation of the Transfer Mechanism in Ion-Molecule Reactions by ICR.- 1. Introduction.- 2. Experimental.- 3. Results and Discussion.- 4. Conclusion.- References.- Equilibrium Studies of Electron Transfer Reactions.- 1. Introduction.- 2. Electron Affinities: Theoretical Considerations.- 3. Experimental Methods for Measuring Electron Affinities.- 4. Pulsed ICR Techniques for Negative Ions.- 5. Results for Equilibrium Electron Transfer Equilibria.- 6. Discussion 179.- References.- ICR Study of Negative Ions Produced by Electron Impact in Water Vapor.- 1. Introduction.- 2. Experimental.- 3. Results.- 4. Discussion.- References.- Reactions with Alkoxide Anions.- 1. Introduction.- 2. Experimental.- 3. Results.- 4. Discussion.- 4.1. Internal Energy.- 4.2. Enolate Formation.- 4.3. CID Experiments.- 4.4. Labelled Reactants.- References.- A Fourier Transform Ion Cyclotron Resonance Study of Negative Ion-Molecule Reactions of Phenyl Acetate, Phenyl Trifluoroacetate and Acetanilide.- 1. Introduction.- 2. Results and Discussion.- 2.1. Phenyl trifluoroacetate.- 2.1.1. Primary Ions.- 2.1.2. H2O/C6H5OCOCF3.- 2.2. Acetanilide.- 2.3. Phenyl acetate.- 2.3.1. H2O/C6H5OCOCH3.- 2.3.2. H2O/CH3OCH3/C6H5OCOCH3.- 3. Conclusion.- 4. Experimental Section.- References.- Site of Protonation in Gaseous Five-Membered Ring Systems C4H4X(X=NH,O,S,CH2).- 1. Introduction.- 2. Experimental.- 3. Results and Discussion.- 3.1. Equilibrium Proton Affinities.- 3.2. Basicity at the ?-Carbon Atom.- References.- Gas-Phase Radical-Ion Cycloadditions: Experiment and Theory.- 1. Introduction.- 2. Radical-Ion versus Neutral-Neutral Chemistry.- 3. Cycloaddition Pathways in Ion-Neutral Reactions.- 3.1. Product Distributions.- 3.2. Detection of Cyclic “Activated Adduct”-Fragment Ions.- 3.3. Isotope Label Distributions in Product Ions.- 3.4. Collision Induced Dissociation of Collision Stabilized Intermediates.- 4. Frontier Molecular Orbital Theory of Radical-Ion-Neutral Cycloaddition.- 4.1. Requirements for a Cycloaddition Pathway.- 4.2. Application of the Theory to the Reaction of Ful vene Radical Cation and 1,3-Butadiene.- 4.3. Correlation of Experiment and Theory.- 4.4. Difficulties with the Theory.- 5. Conclusion.- References.- Ring Ions in the Ion Chemistry of Thiirane, Ethanediol-1,2, Ethanedithiol-1,2 and 2-Mercaptoethanol.- 1. Introduction.- 2. Experimental.- 3. Results and Discussion.- 3.1. Thiirane.- 3.2. 2-Mercaptothanol, Ethanediol-1,2 and Ethanedithiol-1,2.- 3.3. General Discussion.- References.- Kinetic Energy of Fragment Ions Produced in Charge Transfer Reactions of He+ and Ar++ with CO.- 1. Introduction.- 2. He+/CO.- 3. Ar++/CO.- 4. Results.- 5. Discussion.- 6. Conclusion.- References.- A Tandem ICR Study of the Reaction of N2+ with SO2.- 1. Introduction.- 2. General Description of the Spectrometer.- 3. Experimental Procedures.- 4. Results and Discussion.- 5. Summary and Conclusion.- References.- Internal Energy Dependence of the Reaction of NH3+ with H2O; A Tandem ICR Study.- 1. Introduction.- 2. The Tandem Instrument.- 3. Internal Energy in NH3+.- References.- Precision Determination of Cyclotron Frequencies of Free Electrons and Ions.- 1. Introduction.- 2. Ion Traps.- 3. Trapped Particle Detection.- 4. Measurement of Fundamental Oscillatory Frequencies.- 5. Determination of Ion Masses.- 6. Summary.- References.- Toward a Frequency Scanning Marginal Oscillator.- 1. Introduction.- 2. Requirements.- References.- An FTICR Spectrometer — Design Philosophy and Practical Realisation.- 1. Introduction.- 2. Ion Excitation.- 3. Programmable Pulse Generator.- 4. Frequency Synthesizer.- 5. Bus Interface.- 6. Control Board.- 7. RAM II.- 8. RAM I, Scan Generator.- 9. The Synthesizer.- 10. Analogue Stages.- 11. Preamplifier.- 12. ADC and Fast Buffer Store.- References.- A Microcomputer-Based Fourier Transform Ion Cyclotron Resonance Mass Spectrometric Detection System.- 1. Introduction.- 2. General Comments and Analogue Circuitry.- 2.1. Overall System Block Diagram.- 2.2. Excite and Detect Switches.- 2.3. Difference Amplifier and High-Pass Filter.- 2.4. Mixer.- 2.5. Low-Pass Filter and Amplifier.- 3. Digital Electronics.- 3.1. General Discussion.- 3.2. Timing Pulse Sequence.- 3.3. Dual Microcomputer System.- 4. Results and Discussion.- References.- FT ICR Spectrometry with a Superconducting Magnet.- 1. Introduction.- 2. Small-band and Broad-band Spectra.- 3. Sidebands.- 4. Mass Scale Calibration.- References.- Analytical Fourier Transform Mass Spectrometry.- 1. Introduction.- 2. High Mass Resolution.- 3. Precise and Accurate Mass Measurement.- 4. Chemical Ionization.- 5. Gas Chromatography/Fourier Transform Mass Spectrometry.- References.- Thermochemical Information from Ion-Molecule Rate Constants.- 1. Introduction.- 2. The Measurement of Rate Constants of Corresponding Exothermic and Endothermic Reactions.- 3. Estimation of Thermochemical Information from Reaction Efficiencies as a Function of ?H° or ?G° of Reaction.- 4. Thermochemical Information from the Temperature Dependence of the Rate Constants of Endothermic Reactions.- 5. Primary Standards for the Proton Affinity Scale.- 6. Ionization Energies of Al kanes.- References.- Ion-Molecule Association Reactions.- 1. Introduction.- 2. Experimental Analysis.- 3. Theoretical Analysis.- 4. Examples.- 4.1. The Proton-Bound Dimers of Ammonia and the Methyl amines.- 4.2. The Radiative and Three-Body Association Reaction of CH3+ with HCN.- 4.3. The Clustering Reactions of Methanol with Its Protonated Ion.- 5. Summary.- References.- Theory for Pulsed and Rapid Scan Ion Cyclotron Resonance Signals.- 1. Introduction.- 2. Theory.- 2.1. Basic Concepts.- 2.2. Transient Response of the CBD — A Simplified Approach.- 2.3. Transient Response of the CBD to Rapid Scan Excitation.- 3. Performance Tests.- 3.1. Pulsed ICR.- 3.2. Rapid Scan ICR.- 4. Conclusions.- References.- Signals, Noise, Sensitivity and Resolution in Ion Cyclotron Resonance Spectroscopy.- 1. Introduction.- 2. ICR Signal Generation.- 3. ICR Linewidth and ICR Mass Resolution.- 4. Spectroscopic Relaxation and Spectroscopic Linewidth.- 5. Homogeneous and Inhomogeneous Relaxation and Line Broadening.- 6. Radiation Damping of Excited Cyclotron Motion.- 7. Resistive Damping of Excited Cyclotron Motion.- 8. Collisional Damping of Excited Cyclotron Motion.- 9. Doppler Relaxation of Excited ICR Motion.- 10. Relaxation Due to Magnetic Field Inhomogenieties.- 11. Relaxation Due to Electric Field Gradients.- 12. Noise and Sensitivity in ICR Spectrometers.- References.- Theoretical Tools for the Description of Ion Motion in ICR Spectrometry.- 1. Methods for the Description of Ion Motion.- 1.1. Classical Particle Mechanics.- 1.2. Quantum Theoretical Description.- 2. Homogeneous Magnetic Field B? = (0,0,B) and Electric Fields of Increasing Complexity.- 2.1. Schrödinger Equation of a Charged Particle Exclusively Influenced by a Homogeneous Magnetic Field.- 2.1.1. Wave Packet Solution.- 2.2. Consideration of Drift Motion.- 2.3. Consideration of Trapping Motion.- 2.4. Consideration of the Actual Electric Potential.- 3. More Complicated Magnetic Field B? = (O,B,,,B?).- 3.1. Classical Treatment.- 3.2. Basis for a Quantum Mechanical Treatment.- 4. Velocity Dependent Frictional Forces.- 4.1. One-dimensional Damped Harmonic Oscillator.- 4.2. Two-dimensional Damped Motion in a Magnetic Field.- 4.3. Three-dimensional Damped Motion in Magnetic and Electric Fields.- 5. Conclusion.- References.
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Deutschland
01.12.1982
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Sprache
Englisch
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Softcover
540 Seiten
23 cm
(Höhe)
15 cm
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910 g
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