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Author : H. S. GUTOWSKY
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (227 download)
Download or read book Isotope Effects in High Resolution Nmr Spectroscopy written by H. S. GUTOWSKY and published by . This book was released on 1959 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gustavo A. Aucar
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128082992
Total Pages : 53 pages
Book Rating : 4.1/5 (28 download)
Download or read book High Resolution NMR Spectroscopy written by Gustavo A. Aucar and published by Elsevier Inc. Chapters. This book was released on 2013-06-08 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polarization propagators (PP) are powerful theoretical tools that allow carrying out a deep analysis of the electronic mechanisms underlying any molecular response property. The inner projections of the PP and contributions from localized orbitals within the PP approaches described in were developed to fully take advantage of this power of analysis for the study of NMR spectroscopic parameters. They are based on the use of localized molecular orbitals (LMOs) related to chemically intuitive concepts to decompose the mathematical expression of these parameters into coupling pathways or shielding pathways. Each of them may be furthermore decomposed into two new objects: (i) perturbators, which give information on the efficiency of a given magnetic perturbation to produce local excitations and (ii) the principal propagator matrix elements which provide deep understanding on the way perturbations are transmitted within the electronic framework of the molecule under study. Applications are presented in , both within semiempirical and ab initio approaches: the Karplus rule, a general analysis of the signs of J couplings, σ–π decomposition, hyperconjugative effects in transmission of J couplings, general features of 1J couplings, and intermolecular couplings in hydrogen-bonded systems. All applications were especially selected to cover examples in which qualitative physical insight can be gained.
Author :
Publisher : Newnes
ISBN 13 : 0444594140
Total Pages : 448 pages
Book Rating : 4.4/5 (445 download)
Download or read book High Resolution NMR Spectroscopy: Understanding Molecules and their Electronic Structures written by and published by Newnes. This book was released on 2013-06-08 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The progress in nuclear magnetic resonance (NMR) spectroscopy that took place during the last several decades is observed in both experimental capabilities and theoretical approaches to study the spectral parameters. The scope of NMR spectroscopy for studying a large series of molecular problems has notably broadened. However, at the same time, it requires specialists to fully use its potentialities. This is a notorious problem and it is reflected in the current literature where this spectroscopy is typically only used in a routine way. Also, it is seldom used in several disciplines in which it could be a powerful tool to study many problems. The main aim of this book is to try to help reverse these trends.This book is divided in three parts dealing with 1) high-resolution NMR parameters; 2) methods for understanding high-resolution NMR parameters; and 3) some experimental aspects of high-resolution NMR parameters for studying molecular structures. Each part is divided into chapters written by different specialists who use different methodologies in their work. In turn, each chapter is divided into sections. Some features of the different sections are highlighted: it is expected that part of the readership will be interested only in the basic aspects of some chapters, while other readers will be interested in deepening their understanding of the subject dealt with in them. - Shows how NMR parameters are useful for structure assignment as well as to obtain insight on electronic structures - Emphasis on conceptual aspects - Contributions by specialists who use the discussed methodologies in their everyday work
Author : Amnon Kohen
Publisher : CRC Press
ISBN 13 : 1420028022
Total Pages : 1092 pages
Book Rating : 4.4/5 (2 download)
Download or read book Isotope Effects In Chemistry and Biology written by Amnon Kohen and published by CRC Press. This book was released on 2005-11-01 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of isotope effects has expanded exponentially in the last decade, and researchers are finding isotopes increasingly useful in their studies. Bringing literature on the subject up to date, Isotope Effects in Chemistry and Biology covers current principles, methods, and a broad range of applications of isotope effects in the physical, biolo
Author :
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (318 download)
Download or read book Isotope Effects in NMR Spectroscopy written by and published by . This book was released on 1990 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Das Buch enthält folgende Beiträge: S. Berger, Marburg, FRG: Chemische Modelle der Deuteriumisotopeneffekte in der 13C- und 19F-NMR SpektroskopieN.M. Sergeyev, Moscow, USSR: Isotopeneffekte auf die Spin-Spin Kopplungskonstanten: Experimentelle HinweiseJ.M. Risley, R.L. van Etten, West Lafayette, IN, USA: Eigenschaften und chemische Anwendungen des 18O-Isotopenshifts in der 13C- und 15N Nuklearmagnetik-Resonanz-Spektroskopie.
Author : J. W. Emsley
Publisher : Elsevier
ISBN 13 : 1483184080
Total Pages : 543 pages
Book Rating : 4.4/5 (831 download)
Download or read book High Resolution Nuclear Magnetic Resonance Spectroscopy written by J. W. Emsley and published by Elsevier. This book was released on 2013-10-22 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Resolution Nuclear Magnetic Resonance Spectroscopy, Volume 2 provides a comprehensive coverage of the theories and methods for analysis of high resolution spectra. The title also presents a discourse on other variables that affect the spectra. The text first details the correlations of 1H resonance spectral parameters with molecular structure, and then proceeds to tackling the 19F nuclear magnetic resonance studies. Next, the selection deals with the NMR spectra of nuclei other than hydrogen fluoride. The text also provides data sets, such as nuclear properties, T-values, and chemical shifts. The book will be of great use to scientists who utilize nuclear magnetic resonance in their work.
Author : Eberhard Breitmaier
Publisher : Wiley-VCH
ISBN 13 :
Total Pages : 540 pages
Book Rating : 4.3/5 (121 download)
Download or read book Carbon-13 NMR Spectroscopy written by Eberhard Breitmaier and published by Wiley-VCH. This book was released on 1987 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Quack
Publisher : John Wiley & Sons
ISBN 13 : 0470066539
Total Pages : 2236 pages
Book Rating : 4.4/5 (7 download)
Download or read book Handbook of High-resolution Spectroscopy written by Martin Quack and published by John Wiley & Sons. This book was released on 2011-09-26 with total page 2236 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of High-Resolution Spectroscopy has been considerably extended and even redefined in some areas. Combining the knowledge of spectroscopy, laser technology, chemical computation, and experiments, Handbook of High-Resolution Spectroscopy provides a comprehensive survey of the whole field as it presents itself today, with emphasis on the recent developments. This essential handbook for advanced research students, graduate students, and researchers takes a systematic approach through the range of wavelengths and includes the latest advances in experiment and theory that will help and guide future applications. The first comprehensive survey in high-resolution molecular spectroscopy for over 15 years Brings together the knowledge of spectroscopy, laser technology, chemical computation and experiments Brings the reader up-to-date with the many advances that have been made in recent times Takes the reader through the range of wavelengths, covering all possible techniques such as Microwave Spectroscopy, Infrared Spectroscopy, Raman Spectroscopy, VIS, UV and VUV Combines theoretical, computational and experimental aspects Has numerous applications in a wide range of scientific domains Edited by two leaders in this field Provides an overview of rotational, vibration, electronic and photoelectron spectroscopy Volume 1 - Introduction: Fundamentals of Molecular Spectroscopy Volume 2 - High-Resolution Molecular Spectroscopy: Methods and Results Volume 3 - Special Methods & Applications
Author : John L. Markley
Publisher : Oxford University Press
ISBN 13 : 0195357426
Total Pages : 375 pages
Book Rating : 4.1/5 (953 download)
Download or read book Biological NMR Spectroscopy written by John L. Markley and published by Oxford University Press. This book was released on 1997-01-30 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a critical assessment of progress on the use of nuclear magnetic resonance spectroscopy to determine the structure of proteins, including brief reviews of the history of the field along with coverage of current clinical and in vivo applications. The book, in honor of Oleg Jardetsky, one of the pioneers of the field, is edited by two of the most highly respected investigators using NMR, and features contributions by most of the leading workers in the field. It will be valued as a landmark publication that presents the state-of-the-art perspectives regarding one of today's most important technologies.
Author :
Publisher : Academic Press
ISBN 13 : 0128122749
Total Pages : 634 pages
Book Rating : 4.1/5 (281 download)
Download or read book Measurement and Analysis of Kinetic Isotope Effects written by and published by Academic Press. This book was released on 2017-09-12 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental Analysis of Enzyme Mechanism Using Isotope Effects, Volume 596, the latest release in the Methods in Enzymology series, continues the legacy of this premier serial with quality chapters authored by leaders in the field. Chapters in this comprehensive update include Measurement of enzyme binding isotope effects, Chemical ligation and isotope labeling to locate dynamic effects, Measurement of heavy enzyme isotope effects, Extracting kinetic isotope effects from a global analysis of reaction progress curves, KIE of metabolic flux and enzymes, Solvent and Primary KIE on Flavin Enzymes, and The Rapid Determination of Primary Deuterium Isotope Effects on Enzyme-Catalyzed Proton Transfer at Carbon in 50/50 HOH/DOD. Readers who are interested in applying or understanding this research will find useful methods currently used for measuring isotope effects on solution and enzyme reactions. Written by pioneers of modern isotope effect research Is the only collection of modern kinetic isotope effect methods currently available
Author :
Publisher : Academic Press
ISBN 13 : 0080584039
Total Pages : 389 pages
Book Rating : 4.0/5 (85 download)
Download or read book Annual Reports on NMR Spectroscopy written by and published by Academic Press. This book was released on 1988-05-01 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annual Reports on NMR Spectroscopy
Author : Jiri Jonas
Publisher : Springer Science & Business Media
ISBN 13 : 3642759262
Total Pages : 272 pages
Book Rating : 4.6/5 (427 download)
Download or read book High Pressure NMR written by Jiri Jonas and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, there has been a major expansion of high pressure research providing unique information about systems of interest to a wide range of scientific disciplines. Since nuclear magnetic resonance has been applied to a wide spec trum of problems in chemistry, physics and biochemistry, it is not surprising to find that high pressure NMR techniques have also had many applications in these fields of science. Clearly, the high information content of NMR experiments combined with high pressure provides a powerful tool in modern chem istry. It is the aim of this monograph, in the series on NMR Basic Principles and Progress, to illustrate the wide range of prob lems which can be successfully studied by high pressure NMR. Indeed, the various contributions in this volume discuss studies of interest to physics, chemical physics, biochemistry, and chemical reaction kinetics. In many different ways, this monograph demonstrates the power of modern experimental and theoretical techniques to investigate very complex systems. The first contribution, by D. Brinkman, deals with NMR and NQR studies of superionic conductors and high-Tc supercon ductors at high pressure. Pressure effects on phase transitions, detection of new phases, and pressure effects on diffusion and spin-lattice relaxation, represent a few of the topics discussed in this contribution of particular interest to solid state physics.
Author : Bozzano G Luisa
Publisher : Elsevier
ISBN 13 : 1483293696
Total Pages : 369 pages
Book Rating : 4.4/5 (832 download)
Download or read book High Resolution NMR written by Bozzano G Luisa and published by Elsevier. This book was released on 2013-10-22 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Resolution NMR: Theory and Chemical Applications, Second Edition covers the significant progress in understanding the NMR phenomena, instrumentation, and applications in chemical and biochemistry. This edition is divided into 14 chapters and begins with the historical developments and theoretical aspects of NMR. Considerable chapters are devoted to the basic principles, chemical shifts, coupling constants, and analysis of complex spectra. Other chapters contain expanded topics on carbon-13, nuclear Overhauser effect, relaxation mechanisms, and the use of superconducting magnets. The remaining chapters examine the concepts of solvent effects, hydrogen bonding, and the use of NMR in quantitative analysis. This book will prove useful to analytical chemists, biochemists, and researchers.
Author : J.B. Robert
Publisher : Springer Science & Business Media
ISBN 13 : 3642488145
Total Pages : 172 pages
Book Rating : 4.6/5 (424 download)
Download or read book NMR at Very High Field written by J.B. Robert and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years several improvements have been made in the manufacturing of resistive, superconducting and hybrid mag nets. Condensed matter physicists are nowadays doing ex periments in steady magnetic fields of up to 30 Tesla. But the field homogenity {/B}, required in a volume of the order of a 3 few cm is usually several orders of magnitude less severe than the one which is needed for high resolution NMR. Over the last 30 years, with each generation of new high resolution NMR spectrometers, from 100 MHz up to 600 MHz, taking advan tage of the increase in sensitivity and resolution, new areas of research have been opened in chemistry, physical chemistry and biochemistry. The generation of the 20 Tesla supercon ducting magnets is coming. Thus one may seriously start to consider high resolution NMR at 1 GHz. The purpose of this volume is to examine some of the advantages which can be obtained at such high frequencies and some of the problems we shall be facing. An important aspect of NMR at high field which is not presented in this volume concerns the design of the magnet. The building of a superconducting magnet, producing a field 10 3 higher than 20 T, with a field homogeneity IlB/B 10- , in a cm volume still remains today in 1990 a major challenge. Grenoble, France J. B. Robert Guest-Editor Professor J. B. Robert Service National des Champs Intenses B. P.
Author : Lars C. S. Melander
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.F/5 ( download)
Download or read book Reaction Rates of Isotopic Molecules written by Lars C. S. Melander and published by . This book was released on 1987 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edwin D. Becker
Publisher : Elsevier
ISBN 13 : 0080508065
Total Pages : 441 pages
Book Rating : 4.0/5 (85 download)
Download or read book High Resolution NMR written by Edwin D. Becker and published by Elsevier. This book was released on 1999-10-08 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Resolution NMR provides a broad treatment of the principles and theory of nuclear magnetic resonance (NMR) as it is used in the chemical sciences. It is written at an "intermediate" level, with mathematics used to augment, rather than replace, clear verbal descriptions of the phenomena. The book is intended to allow a graduate student, advanced undergraduate, or researcher to understand NMR at a fundamental level, and to see illustrations of the applications of NMR to the determination of the structure of small organic molecules and macromolecules, including proteins. Emphasis is on the study of NMR in liquids, but the treatment also includes high resolution NMR in the solid state and the principles of NMR imaging and localized spectroscopy. Careful attention is given to developing and interrelating four approaches - steady state energy levels, the rotating vector picture, the density matrix, and the product operator formalism. The presentation is based on the assumption that the reader has an acquaintance with the general principles of quantum mechanics, but no extensive background in quantum theory or proficiency in mathematics is required. Likewise, no previous background in NMR is assumed, since the book begins with a description of the basic physics, together with a brief account of the historical development of the field. This third edition of High Resolution NMR preserves the "conversational" approach of the previous editions that has been well accepted as a teaching tool. However, more than half the material is new, and the remainder has been revised extensively. Problems are included to reinforce concepts in the book. - Uses mathematics to augment, not replace, verbal explanations - Written in a clear and conversational style - Follows the successful format and approach of two previous editions - Revised and updated extensively--about 70 percent of the text is new - Includes problems and references to additional reading at the end of each chapter
Author : Graham Alan Webb
Publisher : Royal Society of Chemistry
ISBN 13 : 0851863825
Total Pages : 517 pages
Book Rating : 4.8/5 (518 download)
Download or read book Nuclear Magnetic Resonance written by Graham Alan Webb and published by Royal Society of Chemistry. This book was released on 1986 with total page 517 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.
