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Author : Albert Edward Gillam,Edward Severin Stern
Publisher : Unknown
Page : 312 pages
File Size : 47,7 Mb
Release : 1954
Category : Absorption spectra
ISBN : UOM:39015014682473
Author : Albert Edward Gillam,Edward Severin Stern,Christopher John Timmons
Publisher : Hodder Education
Page : 296 pages
File Size : 44,6 Mb
Release : 1970
Category : Science
ISBN : STANFORD:36105031273811
Author : Hiroshi Suzuki
Publisher : Elsevier
Page : 582 pages
File Size : 43,5 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323145268
Electronic Absorption Spectra and Geometry of Organic Molecules: An Application of Molecular Orbital Theory focuses on electronic absorption spectra of organic compounds and molecules. The book begins with the discussions on molecular spectra, electronic absorption spectra of organic compounds, and practical measures of absorption intensity. The text also focuses on molecular orbital theory and group theory. Molecular state functions; fundamental postulates of quantum theory; representation of symmetry groups; and symmetry operations and symmetry groups are described. The book also discusses shape of absorption bands and geometry of excited electronic states; effect of environment on electronic absorption spectra; and the application of simple LCAO MO method to simple π systems. An evaluation of the parameters used in simple LCAO MO method is presented. The text notes the usefulness and restrictions of simple LCAO MO method in the interpretation of electronic absorption spectra. The correlation between results of simple MO calculation and spectral data in aromatic hydrocarbons, and correlation between results of simple MO calculation and spectral data in conjugated linear polyenes are discussed. The book also looks at MO methods and the relations between electronic absorption spectra and geometry of molecules, biphenyl, styrene, and related compounds. The text is a good source of data for researchers and chemistry students who want to study electronic absorption spectra.
Author : D. N. Sathyanarayana
Publisher : Universities Press
Page : 556 pages
File Size : 49,6 Mb
Release : 2001
Category : Absorption spectra
ISBN : 8173713715
This book provides a conceptual and experimental basis for the interpretation of electronic absorption spectroscopy and related techniques. The basic theories, instrumentation and interpretation of the spectra of organic and coordination compounds for structural studies are presented step-by-step, in an easily understandable style. related topics of emission spectroscopes are covered as well.
Author : Jag Mohan
Publisher : Alpha Science Int'l Ltd.
Page : 572 pages
File Size : 47,6 Mb
Release : 2004
Category : Science
ISBN : 1842651927
"Written primarily to stimulate the interest of students in spectroscopy and make them aware of the latest developments in this field, this book begins with a general introduction to electromagnetic radiation and molecular spectroscopy. In addition to the usual topics on IR, UV, NMR and mass spectrometry, it includes substantial material on the currently useful techniques such as FT-IR, FT-NMR, [superscript 13]C-NMR, 2D-NMR, GC/MS, FAB/MS, Tendem and negative ion mass spectrometry for students engaged in advanced studies. Finally it gives a detailed account on optical rotatory dispersion (ORD) and circular dichroism (CD)." "Through the format evolved in the first edition remains intact, relevant new additions have been inserted at the appropriate places in various chapters of the book. Also included are a number of sample and study problems at the end of each chapter to illustrate the approach to problem solving that involve translations of sets of spectra into chemical structures."--BOOK JACKET.
Author : John Robert Dyer
Publisher : Prentice Hall
Page : 164 pages
File Size : 42,6 Mb
Release : 1965
Category : Science
ISBN : UOM:39015001655201
Introduction -- Ultraviolet spectroscopy -- Infrared spectroscopy -- Nuclear magnetic resonance spectroscopy.
Author : Nagao Kobayashi,Atsuya Muranaka
Publisher : Royal Society of Chemistry
Page : 216 pages
File Size : 46,5 Mb
Release : 2011-11-10
Category : Science
ISBN : 9781849732932
CD and MCD spectroscopy can provide key information about the conformations and electronic states of chromophore containing molecules. However, the theory has remained too challenging and inaccessible for many organic chemists and biochemists and only a few researchers have carried out detailed quantitative analyses of their spectral data. This is not surprising as people who excel at spectroscopic theory usually lack the skills set required to design and synthesise the molecules that would be most appropriate for describing and explaining the theory of CD and MCD spectroscopy. Most of the books that have been written on the subject have, therefore, been based on very dense sets of mathematical equations. This timely book rectifies that situation by summarizing the relationship between the different types of spectra and by describing in detail the qualitative and quantitative methods which can readily be used to analyse CD and MCD spectral data. During the last decade the authors have successfully synthesized several molecules to illustrate key points related to the theory of CD and MCD spectroscopy, resulting in this definitive book providing key practical knowledge in a readily accessible style. It is aimed primarily at organic chemists and biochemists and is required reading for researchers active in the field. In the introduction, the book describes the types of information that can be derived from CD and MCD spectroscopy. After a detailed explanation of the theory of electronic absorption spectroscopy, it then provides practical in depth examples of the various analytical methods that can be carried out with CD and MCD spectral data. This makes the theory of these techniques much more accessible for researchers who do not specialise in physical chemistry. The book concludes by briefly summarizing the key mathematical expressions associated with each technique.
Author : Donald L. Pavia,Gary M. Lampman,George S. Kriz
Publisher : Brooks Cole
Page : 686 pages
File Size : 44,7 Mb
Release : 2001
Category : Science
ISBN : STANFORD:36105029601957
A true introductory text for learning the spectroscopic techniques of Nuclear Magnetic Resonance, Infrared, Ultraviolet and Mass Spectrometry. It can be used in a stand alone spectroscopy course or as a supplement to the sophomore-level organic chemistry course.
Author : United States. Environmental Protection Agency. Library Systems Branch
Publisher : Unknown
Page : 702 pages
File Size : 54,9 Mb
Release : 1974
Category : Environmental protection
ISBN : UCR:31210012859458
Author : John Robert Dyer
Publisher : Unknown
Page : 0 pages
File Size : 44,9 Mb
Release : 1965
Category : Absorption spectra
ISBN : OCLC:1180918501
Author : Stephen G Rees-Jones
Publisher : Elsevier
Page : 220 pages
File Size : 49,6 Mb
Release : 1987-02-24
Category : Business & Economics
ISBN : 9780080570761
The Organic Chemistry of Museum Objects provides an account of the composition, chemistry, and analysis of the organic materials which enter into the structures of objects in museum collections. This book is not intended to duplicate the information available in existing handbooks on the materials and techniques of art and conservation but rather to convey the state of knowledge of the chemical composition of such materials and so provide a framework for a general understanding of their properties. The book begins with a review of basic organic chemistry, covering hydrocarbons and compounds with functional groups. It then describes spectrometry and separation methods. This is followed by discussions of the chemistry and composition of oils and fats, natural waxes, bituminous materials, carbohydrates, proteins, and natural resins and lacquers. Subsequent chapters deal with synthetic materials, i.e., high molecular weight polymers of a wholly synthetic nature; and natural and synthetic dyestuffs. Also discussed are the deterioration and other changes in organic materials resulting from both free radical and ionic reactions; and the application of analytical methods to identify the organic materials of actual museum objects. This book is intended for both chemists and nonchemists.
Author : J.T. Gerig
Publisher : Elsevier
Page : 423 pages
File Size : 40,9 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323140911
Introductory Organic Chemistry provides a descriptive overview of organic chemistry and how modern organic chemistry is practiced. Organic compounds such as alkanes, cycloalkanes, alkenes, cycloalkenes, and alkynes are covered, along with aromatic hydrocarbons, compounds derived from water and hydrogen sulfide, and compounds derived from ammonia. This book also explores organic reaction mechanisms and describes the use of molecular spectroscopy in studying the chemical structure of organic complexes. This text consists of 15 chapters and begins with a discussion on some fundamental ideas about organic chemistry, from the electronic structure of atoms to molecular structure, molecular orbitals, hybridization of atomic orbitals in carbon, chemical equilibrium, enthalpy, and acids and bases. The chapters that follow focus on the compounds of carbon such as alkanes and cycloalkanes; benzene and other aromatic hydrocarbons; amines and other heterocyclic molecules; aldehydes and ketones; carboxylic acids and their derivatives; nucleic acids; amino acids; peptides; and proteins. The use of instrumentation methods in organic chemistry, particularly mass spectrometry and nuclear magnetic resonance spectroscopy, is also considered. An account of the mechanisms of an organic reaction is presented, paying particular attention to displacement and elimination reactions. This book concludes with a commentary on how most of the amino acids, sugars, heterocyclic molecules, and fatty acids necessary for life processes could have been formed on Earth. This book is intended for nonmajors taking an introductory organic chemistry course of two quarters or one semester in length.
Author : R. T. Bottle,J. F. B. Rowland
Publisher : Walter de Gruyter
Page : 360 pages
File Size : 54,7 Mb
Release : 2011-12-01
Category : Reference
ISBN : 9783110976854
The aim of each volume of this series Guides to Information Sources is to reduce the time which needs to be spent on patient searching and to recommend the best starting point and sources most likely to yield the desired information. The criteria for selection provide a way into a subject to those new to the field and assists in identifying major new or possibly unexplored sources to those who already have some acquaintance with it. The series attempts to achieve evaluation through a careful selection of sources and through the comments provided on those sources.
Author : E. A. Braude,F. C. Nachod
Publisher : Elsevier
Page : 824 pages
File Size : 46,8 Mb
Release : 2013-10-22
Category : Science
ISBN : 9781483275727
Determination of Organic Structures by Physical Methods, Volume 1 focuses on the processes, methodologies, principles, and approaches involved in the determination of organic structures by physical methods, including infrared light absorption, thermodynamic properties, Raman spectra, and kinetics. The selection first elaborates on the phase properties of small molecules, equilibrium and dynamic properties of large molecules, and optical rotation. Discussions focus on simple acyclic compounds, carbohydrates, steroids, diffusion, viscosity, osmotic pressure, sedimentation velocity, melting and boiling points, and molar volume. The book then examines ultraviolet and visible light absorption, infrared light absorption, Raman spectra, and the theory of magnetic susceptibility. Concerns cover applications to the study of organic compounds, applications to the determination of structure, determination of thermodynamic properties, and experimental methods and evaluation of data. The text ponders on wave-mechanical theory, reaction kinetics, and dissociation constants, including dissociation of molecular addition compounds, principles of reaction kinetics, and valence-bond treatment of aromatic systems. The selection is a valuable source of data for researchers interested in the determination of organic structures by physical methods.
Author : N. Bhushan Mandava
Publisher : CRC Press
Page : 562 pages
File Size : 40,8 Mb
Release : 2019-01-15
Category : Science
ISBN : 9781351081153
This handbook series includes several naturally occurring chemicals that exhibit biological activity. These chemicals are derived from plants, insects, and several microorganisms. Volume II of this series is devoted to methods for isolation and identification for pest control technology.Methods for isolation and characterization are very important for gaining knowledge on how to discover these chemicals when present in such minute amounts (ppm to ppb levels) in nature. Several chemical and biological methods have been developed for isolation, characterization, and analysis of natural pesticides and are included in Volume II.