Anion Photoelectron Spectroscopy Of Radicals And Clusters
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Anion Photoelectron Spectroscopy Of Radicals And Clusters
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Author : Travis Robert Taylor
language : en
Publisher:
Release Date : 1999
Anion Photoelectron Spectroscopy Of Radicals And Clusters written by Travis Robert Taylor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Study Of Radicals Clusters And Transition State Species By Anion Photoelectron Spectroscopy
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Author : Don Wesley Arnold
language : en
Publisher:
Release Date : 1994
Study Of Radicals Clusters And Transition State Species By Anion Photoelectron Spectroscopy written by Don Wesley Arnold and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Anion Photoelectron Spectroscopy Of Radicals And Clusters
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Author :
language : en
Publisher:
Release Date : 2001
Anion Photoelectron Spectroscopy Of Radicals And Clusters written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Anion photoelectron spectroscopy is used to study free radicals and clusters. The low-lying[sup 2][Sigma] and[sup 2][Pi] states of C[sub 2n]H (n= 1--4) have been studied. The anion photoelectron spectra yielded electron affinities, term values, and vibrational frequencies for these combustion and astrophysically relevant species. Photoelectron angular distributions allowed the author to correctly assign the electronic symmetry of the ground and first excited states and to assess the degree of vibronic coupling in C[sub 2]H and C[sub 4]H. Other radicals studied include NCN and I[sub 3]. The author was able to observe the low-lying singlet and triplet states of NCN for the first time. Measurement of the electron affinity of I[sub 3] revealed that it has a bound ground state and attachment of an argon atom to this moiety enabled him to resolve the symmetric stretching progression.
Study Of Radicals Clusters And Transition State Species By Anion Photoelectron Spectroscopy
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Author :
language : en
Publisher:
Release Date :
Study Of Radicals Clusters And Transition State Species By Anion Photoelectron Spectroscopy written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Free radicals, elemental and van der Waals clusters and transition state species for bimolecular chemical reactions are investigated using anion photoelectron spectroscopy. Several low-lying electronic states of ozone have been identified via photoelectron spectroscopy of O3−. A characterization of these states is important to models for atmospheric ozone reaction kinetics. The fluoroformyloxyl radical, FCO2, has been investigated, providing vibrational frequencies and energies for two electronic states. The technique has also been employed to make the first direct observation and characterization of the NNO2 molecule. Several electronic states are observed for this species which is believed to play a role as a reactive intermediate in the N + NO2 reaction. The experimental results for all three of these radicals are supplemented by ab initio investigations of their molecular properties. The clusters investigations include studies of elemental carbon clusters (C2− - C11−), and van der Waals clusters (X−(CO2){sub n}, X = I, Br, Cl; n (less-than or equal to) 13 and I− (N2O){sub n=1--11}). Primarily linear clusters are observed for the smaller carbon clusters, while the spectra of the larger clusters contain contribution from cyclic anion photodetachment. Very interesting ion-solvent interactions are observed in the X−(CO2)n clusters. The transition state regions for several bimolecular chemical reactions have also been investigated by photodetachment of a negative ion precursor possessing a geometry similar to that of the transition state species. These spectra show features which are assigned to motions of the unstable neutral complex existing between reactants and products.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995-08
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-08 with Aeronautics categories.
Transition Elements Advances In Research And Application 2012 Edition
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Author :
language : en
Publisher: ScholarlyEditions
Release Date : 2012-12-26
Transition Elements Advances In Research And Application 2012 Edition written by and has been published by ScholarlyEditions this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-26 with Science categories.
Transition Elements—Advances in Research and Application: 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Transition Elements. The editors have built Transition Elements—Advances in Research and Application: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Transition Elements in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Transition Elements—Advances in Research and Application: 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Anion Photoelectron Spectroscopy Of Semiconductor Clusters And Solvated Species
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Author : Harry Gomez
language : en
Publisher:
Release Date : 2002
Anion Photoelectron Spectroscopy Of Semiconductor Clusters And Solvated Species written by Harry Gomez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Ion Radical Organic Chemistry
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Author : Zory Vlad Todres
language : en
Publisher: CRC Press
Release Date : 2008-10-20
Ion Radical Organic Chemistry written by Zory Vlad Todres and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-10-20 with Science categories.
Consolidating knowledge from a number of disciplines, Ion-Radical Organic Chemistry: Principles and Applications, Second Edition presents the recent changes that have occurred in the field since the publication of the first edition in 2003. This volume examines the formation, transformation, and application of ion-radicals in typical conditions of organic synthesis. Avoiding complex mathematics, the author explains the principles of ion-radical organic chemistry and presents an overview of organic ion-radical reactions. He reviews methods of determining ion-radical mechanisms and controlling ion-radical reactions. Wherever applicable, the text addresses issues relating to ecology and biomedical concerns as well as inorganic participants of the ion-radical organic reactions. After reviewing the nature of organic ion-radicals and their ground-state electronic structure, the book discusses their formation, the relationship between electronic structure and reactivity, mechanism and regulation of reactions, stereochemical aspects, synthetic opportunities, and practical applications. Additional topics include electronic and opto-electronic devices, organic magnets and conductors, lubricants, other materials, and reactions of industrial or biomedical importance. The book concludes by providing an outlook on possible future development in this field. Researchers and practitioners engaged in active work on synthetic or mechanistic organic chemistry and its practical applications will find this text to be invaluable in both its scope and its depth.
Reaction Dynamics Involving Ions Radicals Neutral And Excited Species
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Author : Stefano Falcinelli
language : en
Publisher: Frontiers Media SA
Release Date : 2020-01-22
Reaction Dynamics Involving Ions Radicals Neutral And Excited Species written by Stefano Falcinelli and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-22 with categories.
Spectroscopy And Modeling Of Biomolecular Building Blocks
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Author : Jean-Pierre Schermann
language : en
Publisher: Elsevier
Release Date : 2007-10-16
Spectroscopy And Modeling Of Biomolecular Building Blocks written by Jean-Pierre Schermann and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-10-16 with Science categories.
Spectroscopy and Modeling of Biomolecular Building Blocks presents an overview of recent advances in the intertwining of the following research fields: photon and electron spectroscopy, quantum chemistry, modelling and mass-spectrometry. The coupling of these disciplines offers a new point of view to the understanding of isolated elementary building blocks of biomolecules and their assemblies. It allows the unambiguous separation between intrinsic properties of biomolecular systems and those induced by the presence of their environment. The first chapters provide background in modelling (I), frequency-resolved spectroscopy using microwave, infrared and UV photons, time-resolved spectroscopy in the femtosecond domain and energy-resolved electron spectroscopy (II) and production of gas-phase neutral and ionic biomolecular species, mass-spectrometry, ion mobility and BIRD techniques (III). Chapter IV is devoted to case studies of gas-phase experimental investigations coupled to quantum or classical calculations. The topics are structural studies of nucleobases and oligonucleotides, peptides and proteins, sugars; neuromolecules; non-covalent complexes; chiral systems, interactions of low-energy electrons with biomolecules in the radiation chemistry context and very large gas-phase biomolecular systems. The fifth chapter concerns the link between gas-phase and liquid-phase. Different treatments of solvation are illustrated through examples pointing out the influence of progressive addition of water molecules upon properties of nucleobases, peptides, sugars and neuromolecules. - Offer a new perspective to the understanding of isolated elementary building blocks of bio molecules - Includes case studies of experimental investigations coupled to quantum or classical calculations