Nitrogen Nmr

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Nitrogen NMR

Author : M. Witanowski
Publisher : Springer Science & Business Media
ISBN 13 : 1468481754
Total Pages : 406 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Nitrogen NMR by : M. Witanowski

Download or read book Nitrogen NMR written by M. Witanowski and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: To date nitrogen NMR has been discussed in research papers and review articles throughout the scientific literature. It has been our aim in preparing this book to provide a comprehen sive account of the widely spread applications of nitrogen NMR. The relevant literature has been surveyed from the beginnings of NMR until early 1972. The steady annual growth in the number of references cited since 1965 is ample evidence of the ever increasing importance of the subject. Sufficient theoretical and experimental background is given for an understanding of the applications dealt with in later chapters. The basic principles of NMR are developed with a theoretical approach to chemical shifts and spin-spin coupling constants, particular emphasis being given to nitrogen nuclei. Following this the experimental aspects of nitrogen NMR are adequately described. Special emphasis is given to the observable effects of the nuclear quadrupole moment of the 14 N nucleus. It is appro priate that this topic be dealt with in depth since quadrupolar interactions frequently dominate the information available from a study of the 14 N nucleus and other nuclei spin coupled to it. The applications of nitrogen chemical shift data to organic and inorganic molecules are covered in two extensive chapters which include the effects of paramagnetism on nitrogen NMR.

15N-NMR Spectroscopy

Author : G.J. Martin
Publisher : Springer Science & Business Media
ISBN 13 : 3642501729
Total Pages : 389 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis 15N-NMR Spectroscopy by : G.J. Martin

Download or read book 15N-NMR Spectroscopy written by G.J. Martin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: After the proton and carbon, nitrogen is, with oxygen, the most impor tant atom in organic and especially bioorganic molecules. However, the development of nitrogen spectroscopy is indeed very recent. This is due to the fact that nitrogen-14, which is the naturally abundant iso tope, suffers, for structural studies, from the disadvantages inherent in nuclei with a quadrupolar moment (Table 1.1). Actually, indirect 15N measurements were reported in the early days of double resonance spectroscopy and the first direct detection of 15N resonance signals at the natural abundance level was realized in 1964 (R 17) at 4.33 MHz 1 (~ 1T) using a 15 mm o.d. cell in the field sweep mode (~ 0.16 min- ). Signal-to-noise ratios only of 3-4 were obtained for neat liquids and this low sensitivity of the 15N resonance still remains the main dis advantage for 15 spectroscopy (Table 1.1). However, nitrogen-15 has, N probably more than any other nucleus, benefited from the advances of NMR technology, i.e. Fourier transformation, multinuclear facilities, wide-bore super conducting solenoids, and, with the new generation of spectrometers, 15N-NMR is entering the field of routine investigation. Nevertheless, in spite of these spectacular improvements, obtaining 15N spectra of diluted species or large biochemical molecules is often not very easy and a good knowledge of the relaxation properties pecu liar to 15N may be necessary in order to adjust the pulse sequences and the decoupler duty cycle correctly (Section 2).

Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy

Author : George C. Levy
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy by : George C. Levy

Download or read book Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy written by George C. Levy and published by John Wiley & Sons. This book was released on 1979 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nuclear Magnetic Resonance Spectra of Nitrogen-14 in Ruthenium Nitrosyl Complexes

Author : Bruce B. Murray
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nuclear Magnetic Resonance Spectra of Nitrogen-14 in Ruthenium Nitrosyl Complexes by : Bruce B. Murray

Download or read book Nuclear Magnetic Resonance Spectra of Nitrogen-14 in Ruthenium Nitrosyl Complexes written by Bruce B. Murray and published by . This book was released on 1959 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemical Shifts of Nitrogen

Author : B. E. Holder
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Chemical Shifts of Nitrogen by : B. E. Holder

Download or read book Chemical Shifts of Nitrogen written by B. E. Holder and published by . This book was released on 1955 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Annual Reports on NMR Spectroscopy, 1982

Author : E. F. Mooney
Publisher : Academic Press
ISBN 13 : 9780125053495
Total Pages : 502 pages
Book Rating : 4.0/5 (534 download)

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Book Synopsis Annual Reports on NMR Spectroscopy, 1982 by : E. F. Mooney

Download or read book Annual Reports on NMR Spectroscopy, 1982 written by E. F. Mooney and published by Academic Press. This book was released on 1982 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applications of NMR Spectroscopy

Author : Atta-ur-Rahman
Publisher : Bentham Science Publishers
ISBN 13 : 168108287X
Total Pages : 289 pages
Book Rating : 4.6/5 (81 download)

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Book Synopsis Applications of NMR Spectroscopy by : Atta-ur-Rahman

Download or read book Applications of NMR Spectroscopy written by Atta-ur-Rahman and published by Bentham Science Publishers. This book was released on 2016-11-22 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applications of NMR Spectroscopy is a book series devoted to publishing the latest advances in the applications of nuclear magnetic resonance (NMR) spectroscopy in various fields of organic chemistry, biochemistry, health and agriculture. The fifth volume of the series features several reviews focusing on NMR spectroscopic techniques for identifying natural and synthetic compounds (polymer and peptide characterization, GABA in tinnitus affected mice), medical diagnosis and therapy (gliomas) and food analysis. The spectroscopic methods highlighted in this volume include high resolution proton magnetic resonance spectroscopy and solid state NMR.

Guide to Fluorine NMR for Organic Chemists

Author : William R. Dolbier, Jr.
Publisher : John Wiley & Sons
ISBN 13 : 1118831098
Total Pages : 418 pages
Book Rating : 4.1/5 (188 download)

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Book Synopsis Guide to Fluorine NMR for Organic Chemists by : William R. Dolbier, Jr.

Download or read book Guide to Fluorine NMR for Organic Chemists written by William R. Dolbier, Jr. and published by John Wiley & Sons. This book was released on 2016-08-24 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following its well-received predecessor, this book offers an essential guide to chemists for understanding fluorine in spectroscopy. With over 1000 compounds and 100 spectra, the second edition adds new data – featuring fluorine effects on nitrogen NMR, chemical shifts, and coupling constants. • Explains how to successfully incorporate fluorine into target molecules and utilize fluorine substituents to structurally characterize organic compounds • Includes new data on nitrogen NMR, focusing on N-15, to portray the influence of fluorine upon nitrogen NMR chemical shifts and coupling constants • Expands on each chapter from the first edition with additional data and updated discussion from recent findings • "The flawless ordering of material covered in this stand-alone volume is such that information can be found very easily." – Angewandte Chemie review of the first edition, 2010

Annual Reports on NMR Spectroscopy

Author :
Publisher : Academic Press
ISBN 13 : 0080584012
Total Pages : 773 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Annual Reports on NMR Spectroscopy by :

Download or read book Annual Reports on NMR Spectroscopy written by and published by Academic Press. This book was released on 1987-02-03 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annual Reports on NMR Spectroscopy

NMR in Chemistry

Author : William Kemp
Publisher : Free Press
ISBN 13 : 9780029494011
Total Pages : 240 pages
Book Rating : 4.4/5 (94 download)

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Book Synopsis NMR in Chemistry by : William Kemp

Download or read book NMR in Chemistry written by William Kemp and published by Free Press. This book was released on 1988 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Multinuclear Approach to NMR Spectroscopy

Author : J.B. Lambert
Publisher : Springer Science & Business Media
ISBN 13 : 9400971303
Total Pages : 552 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis The Multinuclear Approach to NMR Spectroscopy by : J.B. Lambert

Download or read book The Multinuclear Approach to NMR Spectroscopy written by J.B. Lambert and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of nuclear magnetic resonance has experienced a number of spectacular developments during the last decade. Fourier transform methodology revolutionized signal acquisition capabilities. Superconducting magnets enhanced sensitivity and produced considerable improvement in spectral dispersion. In areas of new applicat ions, the life sciences particularly bene fited from these developments and probably saw the largest increase in usage. NMR imaging promises to offer a noninvasive alternative to X rays. High resolution is now achievable with solids, through magic angle spinning and cross polarization, so that the powers of NMR are applicable to previously intractable materials such as polymers, coal, and other geochemicals. The ease of obtaining relaxation times brought an important fourth variable, after the chemical shift, the coupling constant, and the rate constant, to the examination of structural and kinetic problems i~ all fields. Software development, particularly in the area of pulse sequences, created a host of useful tech niques, including difference decoupling and difference nuclear Overhauser effect spectra, multidimensional displays, signal enhancement (INEPT), coupling constant analysis for connectivity (INADEQUATE), and observation of specific structural classes such as only quaternary carbons. Finally, hardware development gave us access to the entire Periodic Table, to the particular advan tage of the inorganic and organometallic chemist. At the NATO Advanced Study Institute at Stirling, Scotland, the participants endeavored to examine all these advances, except imaging, from a multidisciplinary point of view.

Phosphorus-31 NMR Spectroscopy

Author : Olaf Kühl
Publisher : Springer Science & Business Media
ISBN 13 : 3540791183
Total Pages : 138 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Phosphorus-31 NMR Spectroscopy by : Olaf Kühl

Download or read book Phosphorus-31 NMR Spectroscopy written by Olaf Kühl and published by Springer Science & Business Media. This book was released on 2008-08-22 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear Magnetic Resonance is a powerful tool, especially for the identification of 1 13 hitherto unknown organic compounds. H- and C-NMR spectroscopy is known and applied by virtually every synthetically working Organic Chemist. Con- quently, the factors governing the differences in chemical shift values, based on chemical environment, bonding, temperature, solvent, pH, etc. , are well understood, and specialty methods developed for almost every conceivable structural challenge. Proton and carbon NMR spectroscopy is part of most bachelors degree courses, with advanced methods integrated into masters degree and other graduate courses. In view of this universal knowledge about proton and carbon NMR spectr- copy within the chemical community, it is remarkable that heteronuclear NMR is still looked upon as something of a curiosity. Admittedly, most organic compounds contain only nitrogen, oxygen, and sulfur atoms, as well as the obligatory hydrogen and carbon atoms, elements that have an unfavourable isotope distribution when it comes to NMR spectroscopy. Each of these three elements has a dominant isotope: 14 16 32 16 32 N (99. 63% natural abundance), O (99. 76%), and S (95. 02%), with O, S, and 34 14 S (4. 21%) NMR silent. N has a nuclear moment I = 1 and a sizeable quadrupolar moment that makes the NMR signals usually very broad and dif cult to analyse.

Nitrogen NMR spectroscopy

Author : M. Witanowski
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (251 download)

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Book Synopsis Nitrogen NMR spectroscopy by : M. Witanowski

Download or read book Nitrogen NMR spectroscopy written by M. Witanowski and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

NMR - From Spectra to Structures

Author : Terence N. Mitchell
Publisher : Springer Science & Business Media
ISBN 13 : 3540721967
Total Pages : 216 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis NMR - From Spectra to Structures by : Terence N. Mitchell

Download or read book NMR - From Spectra to Structures written by Terence N. Mitchell and published by Springer Science & Business Media. This book was released on 2007-08-14 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practice-oriented textbook shows how to utilize the huge variety of NMR experiments available today in addition to standard experiments. Intended as a practical guide for students and laboratory personnel, it treats theoretical aspects only to the extent necessary to understand the experiments and to interpret the results. The book is significantly revised and expanded for the 2nd edition, and now includes the nuclei 1H/2H, 13C, 31P, 17O, 15N, 19F, 29Si, 77Se, 113Cd, 117Sn/119Sn, 195Pt, 207Pb and a new chapter on solid state NMR. An expanded set of 50 graded problems offers invaluable help for students, practitioners and laboratory personnel alike.

Mineralization, Immobilization, and 15N-NMR Spectroscopy of Organic Nitrogen in Whole Soil and Particle-size Fractions

Author : Ralph John DiCosty
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Mineralization, Immobilization, and 15N-NMR Spectroscopy of Organic Nitrogen in Whole Soil and Particle-size Fractions by : Ralph John DiCosty

Download or read book Mineralization, Immobilization, and 15N-NMR Spectroscopy of Organic Nitrogen in Whole Soil and Particle-size Fractions written by Ralph John DiCosty and published by . This book was released on 1999 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NMR · 3D Analysis · Photopolymerization

Author :
Publisher : Springer Science & Business Media
ISBN 13 : 9783540205104
Total Pages : 312 pages
Book Rating : 4.2/5 (51 download)

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Book Synopsis NMR · 3D Analysis · Photopolymerization by :

Download or read book NMR · 3D Analysis · Photopolymerization written by and published by Springer Science & Business Media. This book was released on 2004-08-19 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This series presents critical reviews of the present and future trends in polymer and biopolymer science including chemistry, physical chemistry, physics and materials science. It is addressed to all scientists at universities and in industry who wish to keep abreast of advances in the topics covered. Impact Factor Ranking: Always number one in Polymer Science. More information as well as the electronic version of the whole content available at: www.springerlink.com

Essential Practical NMR for Organic Chemistry

Author : S. A. Richards
Publisher : John Wiley & Sons
ISBN 13 : 1119844800
Total Pages : 293 pages
Book Rating : 4.1/5 (198 download)

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Book Synopsis Essential Practical NMR for Organic Chemistry by : S. A. Richards

Download or read book Essential Practical NMR for Organic Chemistry written by S. A. Richards and published by John Wiley & Sons. This book was released on 2023-05-01 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hands-on resource advocating an ordered approach to gathering and interpreting NMR data The second edition of Essential Practical NMR for Organic Chemistry delivers a pragmatic and accessible text demonstrating an ordered approach to gathering and interpreting NMR data. In this informal guide, you’ll learn to make sense of the high density of NMR information through the authors’ problem-solving strategies and interpretations. The book also discusses critical aspects of NMR theory, as well as data acquisition and processing strategy. It explains the use of NMR spectroscopy for dealing with problems of small organic molecule structural elucidation and includes a brand-new chapter on Nitrogen-15 NMR. Readers will also find: Strategies for preparing a sample, spectrum acquisition, processing, and interpreting your spectrum Fulsome discussions of Carbon-13 NMR spectroscopy Practical treatments of quantification, safety procedures, and relevant software An ideal handbook for anyone involved in using NMR to solve structural problems, this latest edition of Essential Practical NMR for Organic Chemistry will be particularly useful for chemists running and looking at their own NMR spectra, as well as those who work in small molecule NMR. It will also earn a place in the libraries of undergraduate and post-graduate organic chemistry students.