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Deuterium And Shift Calculation
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Book Synopsis Deuterium and Shift Calculation by :
Download or read book Deuterium and Shift Calculation written by and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1931 Vrey, Brickwedde, and Murphy discovered the hydrogen isotope deuterium. The isotopic enrichment was found to arise from the fact that the electrolysis oflight water is faster than of heavy water [1,2]. This success showed that although different isotopes of an element behave identically from a chemical standpoint the different isotopic masses nevertheless lead to both isotope effects on equilibrium as well as on rate constants of chemical reactions. Soon, ratios of equilibrium constants of isotopic reactions were called "equilibrium isotope effects" (EIE), ratios of isotopic rate constants "kinetic isotope effects" (KIE). Isotope effects have been found to be especially large for those elements which are directly involved in bond breaking and bond formation during the reaction studied [3]. Such effects are, therefore, referred to as "primary". Isotopic substitution in atomic sites which maintain all chemical bonds with their neighbors during the reaction of interest leads then only to smaller "secondary" isotope effects. Because of the unique mass relation between the different hydrogen isotopes hydrogen/deuterium isotope effects are particularly large and have attracted most attention. The largest contributions to these effects arise from changes in the vibrational frequencies of the reactants. The theory of equilibrium isotope effects has been founded by Vrey [4] and Bigeleisen [5,6] and has widely been accepted [3].
Book Synopsis Deuterium and Shift Calculation by : U Fleischer
Download or read book Deuterium and Shift Calculation written by U Fleischer and published by . This book was released on 1990-12-19 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deuterium and Shift Calculation by :
Download or read book Deuterium and Shift Calculation written by and published by Springer. This book was released on 1990-12-19 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1931 Vrey, Brickwedde, and Murphy discovered the hydrogen isotope deuterium. The isotopic enrichment was found to arise from the fact that the electrolysis oflight water is faster than of heavy water [1,2]. This success showed that although different isotopes of an element behave identically from a chemical standpoint the different isotopic masses nevertheless lead to both isotope effects on equilibrium as well as on rate constants of chemical reactions. Soon, ratios of equilibrium constants of isotopic reactions were called "equilibrium isotope effects" (EIE), ratios of isotopic rate constants "kinetic isotope effects" (KIE). Isotope effects have been found to be especially large for those elements which are directly involved in bond breaking and bond formation during the reaction studied [3]. Such effects are, therefore, referred to as "primary". Isotopic substitution in atomic sites which maintain all chemical bonds with their neighbors during the reaction of interest leads then only to smaller "secondary" isotope effects. Because of the unique mass relation between the different hydrogen isotopes hydrogen/deuterium isotope effects are particularly large and have attracted most attention. The largest contributions to these effects arise from changes in the vibrational frequencies of the reactants. The theory of equilibrium isotope effects has been founded by Vrey [4] and Bigeleisen [5,6] and has widely been accepted [3].
Book Synopsis Deuterium Isotope Effects in the 3,3-sigmatropic Shift by : Neal Douglas Conrad
Download or read book Deuterium Isotope Effects in the 3,3-sigmatropic Shift written by Neal Douglas Conrad and published by . This book was released on 1978 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deuterium isotope effects in photochemical [1,5] hydrogen shift by : James Plott Roberts
Download or read book Deuterium isotope effects in photochemical [1,5] hydrogen shift written by James Plott Roberts and published by . This book was released on 1976 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Three-body Effective Interaction in Deuterium by : Lindsay R. Dodd
Download or read book Three-body Effective Interaction in Deuterium written by Lindsay R. Dodd and published by . This book was released on 1967 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spectroscopy and Computation of Hydrogen-Bonded Systems by : Marek J. Wójcik
Download or read book Spectroscopy and Computation of Hydrogen-Bonded Systems written by Marek J. Wójcik and published by John Wiley & Sons. This book was released on 2022-12-13 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spectroscopy and Computation of Hydrogen-Bonded Systems Comprehensive spectroscopic view of the state-of the-art in theoretical and experimental hydrogen bonding research Spectroscopy and Computation of Hydrogen-Bonded Systems includes diverse research efforts spanning the frontiers of hydrogen bonding as revealed through state-of-the-art spectroscopic and computational methods, covering a broad range of experimental and theoretical methodologies used to investigate and understand hydrogen bonding. The work explores the key quantitative relationships between fundamental vibrational frequencies and hydrogen-bond length/strength and provides an extensive reference for the advancement of scientific knowledge on hydrogen-bonded systems. Theoretical models of vibrational landscapes in hydrogen-bonded systems, as well as kindred studies designed to interpret intricate spectral features in gaseous complexes, liquids, crystals, ices, polymers, and nanocomposites, serve to elucidate the provenance of spectroscopic findings. Results of experimental and theoretical studies on multidimensional proton transfer are also presented. Edited by two highly qualified researchers in the field, sample topics covered in Spectroscopy and Computation of Hydrogen-Bonded Systems include: Quantum-mechanical treatments of tunneling-mediated pathways and molecular-dynamics simulations of structure and dynamics in hydrogen-bonded systems Mechanisms of multiple proton-transfer pathways in hydrogen-bonded clusters and modern spectroscopic tools with synergistic quantum-chemical analyses Mechanistic investigations of deuterium kinetic isotope effects, ab initio path integral methods, and molecular-dynamics simulations Key relationships that exist between fundamental vibrational frequencies and hydrogen-bond length/strength Analogous spectroscopic and semi-empirical computational techniques examining larger hydrogen-bonded systems Reflecting the polymorphic nature of hydrogen bonding and bringing together the latest experimental and computational work in the field, Spectroscopy and Computation of Hydrogen-Bonded Systems is an essential resource for chemists and other scientists involved in projects or research that intersects with the topics covered within.
Book Synopsis Deuterium NMR Spectroscopy of Solid Paramagnetic Hydrates by : John A. DiNatale
Download or read book Deuterium NMR Spectroscopy of Solid Paramagnetic Hydrates written by John A. DiNatale and published by . This book was released on 1997 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deuterium Isotope Effects on the Carbon-13 Chemical Shifts of Carbocations by : Venchei Edward Koh
Download or read book Deuterium Isotope Effects on the Carbon-13 Chemical Shifts of Carbocations written by Venchei Edward Koh and published by . This book was released on 1989 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Intrinsic Steric Deuterium Chemical Shift Isotope Effects by : Armenag Hagop Dekmezian
Download or read book Intrinsic Steric Deuterium Chemical Shift Isotope Effects written by Armenag Hagop Dekmezian and published by . This book was released on 1979 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mass Spectrometric Determination of Deuterium in Water by : C. A. Goodall
Download or read book Mass Spectrometric Determination of Deuterium in Water written by C. A. Goodall and published by . This book was released on 1952 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Primer of NMR Theory with Calculations in Mathematica by : Alan J. Benesi
Download or read book A Primer of NMR Theory with Calculations in Mathematica written by Alan J. Benesi and published by John Wiley & Sons. This book was released on 2015-05-19 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Präsentiert die NMR-Theorie in Verbindung mit Unterlagen aus Mathematica-Kursen. - Bietet kurze, Schwerpunktkapitel mit kurzen Erläuterungen zu definierten Themen und konzentriert sich dabei auf mathematische Beschreibungen. - Präsentiert prägnant wichtige Erkenntnisse aus der Quantenmechanik, die bei der Prognose und Simulation von Ergebnissen aus NMR-Versuchen einfach angewendet werden können. - Enthält Mathematica-Anleitungen, die die Theorie in Form von Text, Grafik, Ton und Berechnungsbeispielen praktisch umsetzen. - Geht auf bewährte Methoden des Autors aus über 25 Jahren Lehrerfahrung zurück. Die Unterlagen erläutern präzise die Theorie und bieten nützliche Berechnungsvorlagen für NMR-Forscher.
Book Synopsis Nuclear Magnetic Resonance by : G. A. Webb
Download or read book Nuclear Magnetic Resonance written by G. A. Webb and published by Royal Society of Chemistry. This book was released on 1989 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a spectroscopic method, Nuclear Magnetic Resonance (NMR) has seen spectacular growth over the past two decades, both as a technique and in its applications. Today the applications of NMR span a wide range of scientific disciplines, from physics to biology to medicine. Each volume of Nuclear Magnetic Resonance comprises a combination of annual and biennial reports which together provide comprehensive of the literature on this topic. This Specialist Periodical Report reflects the growing volume of published work involving NMR techniques and applications, in particular NMR of natural macromolecules which is covered in two reports: "NMR of Proteins and Acids" and "NMR of Carbohydrates, Lipids and Membranes". For those wanting to become rapidly acquainted with specific areas of NMR, this title provides unrivalled scope of coverage. Seasoned practitioners of NMR will find this an in valuable source of current methods and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading authorities in the relevant subject areas, the series creates a unique service for the active research chemist, with regular, in-depth accounts of progress in particular fields of chemistry. Subject coverage within different volumes of a given title is similar and publication is on an annual or biennial basis.
Book Synopsis Energy and Angle Distribution of the Photoprotons from Deuterium by : Martin Wiener
Download or read book Energy and Angle Distribution of the Photoprotons from Deuterium written by Martin Wiener and published by . This book was released on 1951 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Magnetic Resonance by : Krystyna Kamienska-Trela
Download or read book Nuclear Magnetic Resonance written by Krystyna Kamienska-Trela and published by Royal Society of Chemistry. This book was released on 2012-03-12 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a spectroscopic method, nuclear magnetic resonance (NMR) has seen spectacular growth, both as a technique and in its applications. Today's applications of NMR span a wide range of scientific disciplines, from physics to biology to medicine. Each volume of Nuclear Magnetic Resonance comprises a combination of annual and biennial reports which together provide comprehensive coverage of the literature on this topic. This Specialist Periodical Report reflects the growing volume of published work involving NMR techniques and applications, in particular NMR of natural macromolecules, which is covered in two reports: NMR of Proteins and Nucleic Acids and NMR of Carbohydrates, Lipids and Membranes. In his foreword to the first volume, the then editor, Professor Robin Harris announced that the series would be a discussion on the phenomena of NMR and that articles will be critical surveys of the literature. This has certainly remained the case throughout the series, and in line with its predecessors, Volume 40 aims to provide a comprehensive coverage of the relevant NMR literature. For the current volume this relates to publications appearing between June 2009 and May 2010 (the nominal period of coverage in volume 1 was July 1970 to June 1971). Compared to the previous volume there are some new members of the reporting team. Theoretical Aspects of Spin-Spin Couplings are covered by J. Jazwinski, while E. Swiezewska and J.Wojcik provide an account of NMR of Carbohydrates, Lipids and Membranes.
Book Synopsis Fundamentals of Hydrogen Embrittlement by : Michihiko Nagumo
Download or read book Fundamentals of Hydrogen Embrittlement written by Michihiko Nagumo and published by Springer Nature. This book was released on 2023-05-22 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the second edition of the one originally published in 2016, as the first comprehensive treatment on the fundamentals of hydrogen embrittlement of metallic materials, mainly steel. The book provides students and researchers engaging in hydrogen problems with a unified view of the subject. Establishing reliable principles for materials design against hydrogen embrittlement and assessing their performance are recent urgent industrial needs in developing high-strength steel for hydrogen energy equipment and weight-reducing vehicles. The interdisciplinary nature of the subject, covering metal physics, materials science, and mechanics of fracture, has disturbed a profound understanding of the problem. In this book, previous studies are critically reviewed, and supplemental descriptions of fundamental ideas are presented when necessary. Emphasis is placed on experimental facts, with particular attention to their implication rather than phenomenological appearance. The adopted experimental conditions are also noted since the operating mechanism of hydrogen might differ by material and environment. For theories, employed assumptions and premises are noted to examine their versatility. Progress in the past decade in experimental and theoretical tools is remarkable and has nearly unveiled characteristic features of hydrogen embrittlement. Proposed models have almost covered feasible aspects of the function of hydrogen. This second edition has enriched the contents with recent crucial findings. Chapters on the manifestation of embrittlement in the deterioration of mechanical properties and microscopic features are reorganized, and the description is revised for the convenience of readers’ systematic understanding. A new chapter is created for delayed fracture in atmospheric environments as a conclusive subject of critical ideas presented in this book.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-06 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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