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Kinetics of Ion-Molecule Reactions

Kinetics of Ion-Molecule Reactions
Author: Pierre J. Ausloos
Publisher: Springer Science & Business Media
Total Pages: 507
Release: 2012-12-06
Genre: Science
ISBN: 1461329310

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The investigation of the elementary reactions of reactive intermediate species began about half a centruy ago with the advent of free radical kinetics as an active area of chemical research. In spite of the relatively greater ease of detection of a species carrying an electrical charge, and the fact that organic chemists had for decades postulated mechanisms involving ionic intermediates, the systematic study of the elementary reactions of ions was delayed for more than twenty years after the first beginnings of free radical kinetics. Even at this writing, in 1978, the word "kinetics" is considered by many chemists to be synomomous with "kinetics of neutral species". Yet in spite of the relatively late start and separation from the mainstream of kinetics, the field of ion physics and chemistry is fluorishing, and growing at an ever faster pace. Instrumentalists devise ever more sophisticated apparatuses with capabilities of delving into nearly every aspect of the interactions between ions and molecules. Even satellites orbiting the earth are now being used effectively to determine rate coefficients of ionospheric ion-neutral reactions, some of which can not as yet be measured in the laboratory.


Kinetics of Ion-Molecule Reactions

Kinetics of Ion-Molecule Reactions
Author: Pierre J Ausloos
Publisher:
Total Pages: 520
Release: 1979-04-01
Genre:
ISBN: 9781461329329

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Ion-Molecule Reactions

Ion-Molecule Reactions
Author: J. Franklin
Publisher: Springer Science & Business Media
Total Pages: 394
Release: 2012-12-06
Genre: Science
ISBN: 1475700881

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After a few faint stirrings of interest in ion-molecule reactions during the early days of mass spectrometry, the subject was almost completely neglected for many years. There was a renascence of interest in the subject following pioneering experiments by Tal'roze in Russia and independently by Steven son and Schissler and Field, Franklin, and Lampe in this country. Since that time, interest in the subject has continued to grow and the number of papers published to expand almost exponentially during the past 15 years. The result is a body of literature that is now almost beyond any single individual's capacity for encompassing in his reading and research activities. Thus, it seemed timely to prepare a book giving in some detail a comprehen sive review of the field. Ideally, such a book would be written by one or possibly two authors. Unfortunately, the sheer bulk and variety of the studies of ion-molecule reactions has made it impractical for a single person to prepare a book on the subject in a time that would permit it to be issued before the material covered was obsolete. Consequently, the only practical, although surely not the ideal, solution is to issue a multiauthor volume. The present book represents our best efforts to accomplish this goal. We have secured from 18 authors material representing the most advanced work in the field and the resulting compilation is presented herein.


Ion-Molecule Reactions

Ion-Molecule Reactions
Author: J. L. Franklin
Publisher: Springer Science & Business Media
Total Pages: 403
Release: 2012-12-06
Genre: Science
ISBN: 1468419382

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Of Volume 2.- 8. Flowing Afterglow Studies.- 1. Introduction.- 2. Studies Bearing on Intermediate Complex Formation in Thermal Energy Collisions.- 2.1. Temperature Dependence of Slow Ion-Molecule Reactions.- 2.2. Three-Body Reaction Rate Constants.- 2.3. Rotational Excitation in Ion-Neutral Reactions.- 2.4. Miscellaneous Considerations of Intermediate Complex Processes.- 3. Studies Bearing on Negative-Ion Resonance Formation.- 4. Studies Bearing on Energetics.- 5. Conclusions.- References.- 9. Ion Cyclotron Resonance Spectrometry.- 1. Introduction.- 1.1. General Characteristics.- 2. Theoretica.


Ion-molecule Reactions

Ion-molecule Reactions
Author: Henry M. Rosenstock
Publisher:
Total Pages: 206
Release: 1959
Genre: Ion-molecule collisions
ISBN:

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Influence of Internal States on Ion-Molecule Reactions in a Temperature Variable 22-Pole Ion Trap

Influence of Internal States on Ion-Molecule Reactions in a Temperature Variable 22-Pole Ion Trap
Author: Sabrina Gärtner
Publisher: Cuvillier Verlag
Total Pages: 202
Release: 2014-04-24
Genre: Science
ISBN: 3736946899

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Chemical reactions between ions and neutral gas are very important in the interstellar medium, since they usually have much lower barriers than neutral-neutral reactions. Thus, they are more likely to take place at low temperatures. In this work, the endothermic reactions of CH2D+, H2D+, and N+ with H2 have been investigated in a temperature variable 22-pole ion trap. Under the chosen conditions inside the trap the chemical processes are comparable to those in typical astrophysical environments. At low temperatures, the reactions mentioned above depend very sensitively on the translational and internal energies of the reaction partners. This dependence can be utilized to gain information on the energy levels or the population of the internal states. Based on this sensitivity, two different types of investigations were performed in this work. High resolution spectra of CH2D+ were obtained, resulting in improved predictions for pure rotational transitions. First steps were made towards a detailed understanding of the processes in laser induced reactions, often leading to non-Gaussian line profiles. In addition, the influence of internal states on ion-molecule reactions allowed to determine the purity of para hydrogen samples and yielded insight into the reaction kinetics of the system N+ + H2.


Ion-molecule Reactions

Ion-molecule Reactions
Author: Earl Wadsworth McDaniel
Publisher: John Wiley & Sons
Total Pages: 408
Release: 1970
Genre: Science
ISBN:

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