Molecular Conformations
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Molecular Conformations
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Author :
language : en
Publisher: Bookboon
Release Date :
Molecular Conformations written by and has been published by Bookboon this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Molecular Conformation And Biological Interactions
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Author : Sivaraj Ramaseshan
language : en
Publisher:
Release Date : 1991
Molecular Conformation And Biological Interactions written by Sivaraj Ramaseshan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Biochemistry categories.
Structures And Conformations Of Non Rigid Molecules
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Author : J. Laane
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Structures And Conformations Of Non Rigid Molecules written by J. Laane and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
From the beginnings of modern chemistry, molecular structure has been a lively area of research and speculation. For more than half a century spectroscopy and other methods have been available to characterize the structures and shapes of molecules, particularly those that are rigid. However, most molecules are at least to some degree non-rigid and this non-rigidity plays an important role in such diverse areas as biological activity, energy transfer, and chemical reactivity. In addition, the large-amplitude vibrations present in non-rigid molecules give rise to unusual low-energy vibrational level patterns which have a dramatic effect on the thermodynamic properties of these systems. Only in recent years has a coherent picture of the energetics and dynamics of the conformational changes inherent in non-rigid (and semi-rigid) molecules begun to emerge. Advances have been made in a number of different experimental areas: vibrational (infrared and Raman) spectroscopy, rotational (microwave) spectroscopy, electron diffraction, and, most recently, laser techniques probing both the ground and excited electronic states. Theoretically, the proliferation of powerful computers coupled with scientific insight has allowed both empirical and ab initio methods to increase our understanding of the forces responsible for the structures and energies of non-rigid systems. The development of theory (group theoretical methods and potential energy surfaces) to understand the unique characteristics of the spectra of these floppy molecules has also been necessary to reach our present level of understanding. The thirty chapters in this volume contributed by the key speakers at the Workshop are divided over the various areas. Both vibrational and rotational spectroscopy have been effective at determining the potential energy surfaces for non-rigid molecules, often in a complementary manner. Recent laser fluorescence work has extended these types of studies to electronic excited states. Electronic diffraction methods provide radial distribution functions from which both molecular structures and compositions of conformational mixtures can be found. Ab initio calculations have progressed substantially over the past few years, and, when carried out at a sufficiently high level, can accurately reproduce (or predict ahead of time) experimental findings. Much of the controversy of the ARW related to the question of when an ab initio is reliable. Since the computer programs are readily available, many poor calculations have been carried out. However, excellent results can be obtained from computations when properly done. A similar situation exists for experimental analyses. The complexities of non-rigid molecules are many, but major strides have been taken to understand their structures and conformational processes.
Quantum Mechanics Of Molecular Conformations
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Author : Bernard Pullman
language : en
Publisher: John Wiley & Sons
Release Date : 1976
Quantum Mechanics Of Molecular Conformations written by Bernard Pullman and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Chemistry, Physical and theoretical categories.
Molecular Structure And Conformation
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Author : I. G. Csizmadia
language : en
Publisher: Elsevier Science & Technology
Release Date : 1982
Molecular Structure And Conformation written by I. G. Csizmadia and has been published by Elsevier Science & Technology this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Science categories.
Good,No Highlights,No Markup,all pages are intact, Slight Shelfwear,may have the corners slightly dented, may have slight color changes/slightly damaged spine.
Conformational Properties Of Macromolecules
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Author : A Hopfinger
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Conformational Properties Of Macromolecules written by A Hopfinger and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Conformational Properties of Macromolecules provides information about the molecular parameters and spatial and thermodynamic properties of macromolecules and the application of theoretical conformational energy calculations. The book covers topics such as macromolecular geometry, the classification of macromolecular structure, and the generation of macromolecular conformations and configurations; conformational energies and potential functions, induced dipole and polymer-solvent interactions; and conformational transition in molecules. Also covered are topics such as absorption and optical rotation spectroscopies, epitaxial crystallization of macromolecules, and conformational fluctuation in macromolecules. The text is recommended for structural chemists, X-ray crystallographers, biophysicists, physical chemists, and macromolecular scientists who would like to know more about this particular area of knowledge.
Distance Geometry And Molecular Conformation
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Author : G. M. Crippen
language : en
Publisher: John Wiley & Sons
Release Date : 1988
Distance Geometry And Molecular Conformation written by G. M. Crippen and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Conformational analysis categories.
Conformations
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Author : Alan E. Tonelli
language : en
Publisher: CRC Press
Release Date : 2020-04-06
Conformations written by Alan E. Tonelli and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-06 with Science categories.
Among the materials found in Nature’s many diverse living organisms or produced by human industry, those made from polymers are dominant. In Nature, they are not only dominant, but they are, as well, uniquely necessary to life. Conformations: Connecting the Chemical Structures and Material Behaviors of Polymers explores how the detailed chemical structures of polymers can be characterized, how their microstructural-dependent conformational preferences can be evaluated, and how these conformational preferences can be connected to the behaviors and properties of their materials. The authors examine the connections between the microstructures of polymers and the rich variety of physical properties they evidence. Detailed polymer architectures, including the molecular bonding and geometries of backbone and side-chain groups, monomer stereo- and regiosequences, comonomer sequences, and branching, are explicitly considered in the analysis of the conformational characteristics of polymers. This valuable reference provides practicing materials engineers as well as polymer and materials science students a means of understanding the differences in behaviors and properties of materials made from chemically distinct polymers. This knowledge can assist the reader design polymers with chemical structures that lead to their desired material behaviors and properties.
Modern Conformational Analysis
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Author : Helena Dodziuk
language : en
Publisher: Analysis and Control Methods f
Release Date : 1995
Modern Conformational Analysis written by Helena Dodziuk and has been published by Analysis and Control Methods f this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.
This text describes the importance of molecular organization in organic chemical and biological systems, the quantum foundations of molecular spatial structure, molecular symmetry, chirality and physical methods for studying molecular geometry.
Molecular Conformation And Dynamics Of Macromolecules In Condensed Systems
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Author : M. Nagasawa
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Molecular Conformation And Dynamics Of Macromolecules In Condensed Systems written by M. Nagasawa and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Macromolecular materials possess some remarkable features arising from the fact that their molecules are made up of more or less flexible chains which can have various conformations. The study of molecular conformations and dynamics of macromolecules is important in polymer science and technology from both basic and practical viewpoints. In practice, these studies have concentrated on dilute solutions but more recently there has been a clear trend towards studying molecular properties in condensed systems in order to understand the entire macromolecular system based on a unified concept. Based on lectures presented by an internationally recognized group of polymer scientists at a meeting held in Japan in October 1987 (plus two additional contributions), this volume summarises present knowledge of molecular conformations and dynamics of macromolecules from dilute solutions to various condensed systems. The book is not a random collection of papers of the usual conference proceedings type. Authors prepared their contributions in line with an overall plan for the work, were able to discuss the content with colleagues at the meeting, and finalised their text after the conference. It is thus a comprehensive, integrated overview of the field. Current developments in both theory and experiment are discussed in a well-balanced way. The behaviour of macromolecules at phase transition and interface is discussed in relation to their behaviour in bulk systems. The book offers a particularly up-to-date and authoritative picture of the current state of the art, and will be of interest to all research and professional workers concerned with polymer science in universities, industry, and government institutions.