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Studies Of Transition States And Cluster Induced Reactivity Via Negative Ion Photoelectron Spectroscopy
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Book Synopsis Studies of Transition States and Cluster-Induced Reactivity Via Negative Ion Photoelectron Spectroscopy by :
Download or read book Studies of Transition States and Cluster-Induced Reactivity Via Negative Ion Photoelectron Spectroscopy written by and published by . This book was released on 2003 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research during the last three years has focused on using negative ion photoelectron (PE) spectroscopy and zero electron kinetic energy (ZEKE) spectroscopy to probe the effects of clustering on the energetics, spectroscopy, and dynamics of ions and transition states, and to investigate the ground and excited electronic states of reactive free radicals. We have also developed a new spectroscopic method in which stimulated Raman pumping combined with PE spectroscopy is used to measure vibrational frequencies in negative ions. Results are summarized in more detail below.
Book Synopsis Studies of Transition States, Clusters, and Radicals by Negative Ion Photodetachment and Photodissociation by :
Download or read book Studies of Transition States, Clusters, and Radicals by Negative Ion Photodetachment and Photodissociation written by and published by . This book was released on 2006 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our AFOSR-supported research during the last three years focused on several experimental programs at the interface of ion spectroscopy and molecular reaction dynamics. We have developed a new method for high resolution photodetachment spectroscopy of negative ions based on photoelectron imaging (SEVI, or Slow photoElectron Velocity-map Imaging) and applied it to simple test systems as well as a pre-reactive van der Waals complex. We have measured photoelectron spectra of solvated transition state precursor anions, and used the vibrational structure in these spectra to infer to effect of various solvents on the strong hydrogen bond in the anion core. This work led to a series of experiments in which we measured the infrared spectra of several strongly hydrogen-bonded anions and the protonated water dimer H5O2+. These experiments were performed on the Free Electron Laser for Infrared experiments (FELIX) which produces high power, tunable infrared pulses over a broad spectral range, enabling the first measurements of the low (
Book Synopsis Negative Ion Photoelectron Spectroscopic Studies of Transition Metal Clusters by : Timothy Paul Marcy
Download or read book Negative Ion Photoelectron Spectroscopic Studies of Transition Metal Clusters written by Timothy Paul Marcy and published by . This book was released on 1999 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Transition States and Radicals by Negative Ion Photodetachment by :
Download or read book Studies of Transition States and Radicals by Negative Ion Photodetachment written by and published by . This book was released on 1991 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Negative ion photodetachment is a versatile tool for the production and study of transient neutral species such as reaction intermediates and free radicals. Photodetachment of the stable XHY− anion provides a direct spectroscopic probe of the transition state region of the potential energy surface for the neutral hydrogen transfer reaction X + HY --> XH + Y, where X and Y are halogen atoms. The technique is especially sensitive to resonances, which occur at a specific energy, but the spectra also show features due to direct scattering. We have used collinear adiabatic simulations of the photoelectron spectra to evaluate trail potential energy surfaces for the biomolecular reactions and have extended the adiabatic approach to three dimensions and used it to evaluate empirical potential energy surfaces for the I + Hl and Br + HI reactions. In addition, we have derived an empirical, collinear potential energy surface for the Br + HBr reaction that reproduces our experimental results and have extended this surface to three dimensions. Photodetachment of a negative ion can be also used to study neutral free radicals. We have studied the vibrational and electronic spectroscopy of CH2NO2 by photoelectron spectroscopy of CH2NO2−, determining the electron affinity of CH2NO2, gaining insight on the bonding of the 2B1 ground state and observing the 2A2 excited state for the first time. Negative ion photodetachment also provides a novel and versatile source of mass-selected, jet-cooled free radicals. We have studied the photodissociation of CH2NO2 at 270, 235, and 208 nm, obtaining information on the dissociation products by measuring the kinetic energy release in the photodissociation.
Book Synopsis The Negative Ion Photoelectron Spectroscopy of Metal Cluster Monoxides and Transition Metal Trimers by : Susan Michelle Erickson Green
Download or read book The Negative Ion Photoelectron Spectroscopy of Metal Cluster Monoxides and Transition Metal Trimers written by Susan Michelle Erickson Green and published by . This book was released on 1998 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cluster And Nanostructure Interfaces - Proceedings Of The International Symposium by : Purusottam Jena
Download or read book Cluster And Nanostructure Interfaces - Proceedings Of The International Symposium written by Purusottam Jena and published by World Scientific. This book was released on 2000-08-21 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the evolution of the properties of clusters, nanostructures and cluster-based materials, with emphasis on the role of the interface. These materials are characterized by reduced size, dimension and symmetry, and possess many novel properties that are not commonly seen in their bulk phases. The topics include synthesis, nucleation, growth, characterization, atomic and electronic structure, dynamics, ultra-fast spectroscopy, stability; electrical, magnetic, optical, thermodynamic and catalytic properties of clusters (free and supported); cluster materials (self-assembled, ligated and embedded); nanostructures (quantum dots, wells and corrals; nanotubes and wires; colloidal and biological materials) and nano-technology (electronic, magnetic and optical devices). In addition to presenting the current status of the field, the book discusses outstanding problems and future directions.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1974-07 with total page 978 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photoionization and Photodetachment by : Cheuk-Yiu Ng
Download or read book Photoionization and Photodetachment written by Cheuk-Yiu Ng and published by Advanced Physical Chemistry. This book was released on 2000 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part II. 13. Dissociative electron-ion recombination studies using ion synchrotrons / Mats Larsson -- 14. Dissociative photodetachment studies of transient molecules by coincidence techniques / R.E. Continetti -- 15. Mass selected anion-zero kinetic energy photoelectron spectroscopy / Ulrich Boesl, Carsten Bäßmann and Edward W. Schlag -- 16. Photodetachment photoelectron spectroscopy of transition metal oxide species / Lai-Sheng Wang -- 17. Detachment processes for molecular anions / Jack Simons -- 18. Competition between autoionization and predissociation in molecular Rydberg states / S.T. Pratt -- 19. Electron capture processes by free and bound molecules / Eugen Illenberger -- 20. Visualization of electron correlations in doubly and triply excited states of atoms / C.D. Lin and Toru Morishita -- 21. High-resolution angle-resolved studies of atoms and molecules using advanced electron spectroscopy at the ALS / Nora Berrah -- 22. X-ray scattering and fluorescence from atoms and molecules / S.H. Southworth [und weitere]
Book Synopsis Modern Trends in Chemical Reaction Dynamics by : Xueming Yang
Download or read book Modern Trends in Chemical Reaction Dynamics written by Xueming Yang and published by World Scientific. This book was released on 2004 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of chemical reaction dynamics has made tremendous progressduring the last decade or so. This is due largely to the developmentof many new, state-of-the-art experimental and theoretical techniquesduring that period. It is beneficial to present these advances, boththeoretical and experimental, in a review volume published in twoparts (Parts I and II). The primary purpose of this review volume isto provide graduate students and experts in the field with a ratherdetailed picture of the current status of advanced experimental andtheoretical research in chemical reaction dynamics. All chapters inthese two parts have been written by world-renowned experts active insuch research.
Book Synopsis Modern Trends In Chemical Reaction Dynamics - Part I: Experiment And Theory by : Kopin Liu
Download or read book Modern Trends In Chemical Reaction Dynamics - Part I: Experiment And Theory written by Kopin Liu and published by World Scientific. This book was released on 2004-03-09 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of chemical reaction dynamics has made tremendous progress during the last decade or so. This is due largely to the development of many new, state-of-the-art experimental and theoretical techniques during that period. It is beneficial to present these advances, both theoretical and experimental, in a review volume published in two parts (Parts I and II). The primary purpose of this review volume is to provide graduate students and experts in the field with a rather detailed picture of the current status of advanced experimental and theoretical research in chemical reaction dynamics. All chapters in these two parts have been written by world-renowned experts active in such research.
Book Synopsis Comprehensive Dissertation Index by :
Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1989 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Mass Spectrometry, Volume 12 by : P.G. Kistemaker
Download or read book Advances in Mass Spectrometry, Volume 12 written by P.G. Kistemaker and published by Elsevier. This book was released on 2012-12-02 with total page 975 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings, containing the texts of the invited lectures, cover all aspects of mass spectrometry including theory, fundamental studies, applications and instrumentation. Emphasis is placed on recent developments. A complete listing of the posters is included.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2003 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1979 with total page 1186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abstracts of Papers by : American Chemical Society. Meeting
Download or read book Abstracts of Papers written by American Chemical Society. Meeting and published by . This book was released on 1990 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt:
