Crystals As Giant Molecules
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Crystals As Giant Molecules
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Author : A. Julg
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Crystals As Giant Molecules written by A. Julg 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.
Traditionally, when one deals with crystals, the first property to be presented is the periodicity of the lattice, and all methods of study are based on this characteristic, which is considered essential. In fact, crystals differ from the molecules of finite size that are studied in chemistry, only in their extremely large number of particles. Furthermore, the existence of faces, which limit the spread of crystals in space, necessarily breaks the periodicity of the system. For these reasons it is natural to apply to crystals the concepts and methods that have been widely tested in the study of molecules. Pauling first emphasized this point 1 and used it to explain the electronic structure of crystals, thought to be infinite and perfect. The aim of this work is to show, with the help of a few examples, the possibilities offered by quantum chemistry for tackling the problems of crystal electronic structure, of crystallographic arrangements as well as their macroscopic shape, and of distortion effects caused by the presence of faces. The area related to the existence of energy bands (allowed or forbidden), gap, electric, magnetic or optical properties will not be touched upon.
Giant Molecules
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Author : A. I?U. Grosberg
language : en
Publisher: World Scientific
Release Date : 2011
Giant Molecules written by A. I?U. Grosberg and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Technology & Engineering categories.
?? Giant molecules are important in our everyday life. But, as pointed out by the authors, they are also associated with a culture. What Bach did with the harpsichord, Kuhn and Flory did with polymers. We owe a lot of thanks to those who now make this music accessible ??Pierre-Gilles de GennesNobel Prize laureate in Physics(Foreword for the 1st Edition, March 1996)This book describes the basic facts, concepts and ideas of polymer physics in simple, yet scientifically accurate, terms. In both scientific and historic contexts, the book shows how the subject of polymers is fascinating, as it is behind most of the wonders of living cell machinery as well as most of the newly developed materials. No mathematics is used in the book beyond modest high school algebra and a bit of freshman calculus, yet very sophisticated concepts are introduced and explained, ranging from scaling and reptations to protein folding and evolution. The new edition includes an extended section on polymer preparation methods, discusses knots formed by molecular filaments, and presents new and updated materials on such contemporary topics as single molecule experiments with DNA or polymer properties of proteins and their roles in biological evolution.
Structure And Bonding In Crystals
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Author : Michael O'Keeffe
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Structure And Bonding In Crystals written by Michael O'Keeffe 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.
Structure and Bonding in Crystals presents a new understanding of the older topics such as bond length, bond strength, and ionic radii. These concepts have been used by geochemists and geophysicists to systematize and predict phase transitions at high pressure. The final group of chapters deals with the problems of classifying complex solids and with systematic descriptions of the relationships between their structures. This book comprises 13 chapters, with the first presenting a historical perspective by Linus Pauling. The following chapters then go on to discuss quantum theory and crystal chemistry; pseudopotentials and crystal structure; quantum-defect orbital radii and the structural chemistry of simple solids; and a pseudopotential viewpoint of the electronic and structural properties of crystals. Other chapters cover elementary quantitative theory of chemical bonding; the role and significance of empirical and semiempirical correlations; theoretical probes of bonding in the disiloxy group; a comparison of experimental and theoretical bond length and angle variations; the role of nonbonded forces in crystals; molecules within infinite solids; charge density distributions; and some aspects of the ionic model of crystals. This book will be of interest to practitioners in the fields of chemistry, physics, and geology.
Molecular Crystals And Molecules
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Author : A Kitaigorodsky
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Molecular Crystals And Molecules written by A Kitaigorodsky 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.
Molecular Crystals and Molecules deals with some of the problems of molecular crystallography and certain aspects of molecular structure. This book is composed of eight chapters that specifically cover the significant progress of conformational research. The opening chapter describes the structure of crystals considering the close-packing principle, disorder elements, and binary systems. The next two chapters examine the calculation of crystal lattice energy and dynamics. These topics are followed by discussions on the molecular movement, structural, and thermodynamic aspects of crystals. The final chapters look into the parameters for conformational calculations of molecules, macromolecules, and biopolymers. This book will be of great value to physical chemists and researchers who are interested in crystal and molecular structure.
The Structure Of Atoms Molecules And Crystals
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Author : Leslie Rensselaer Holdridge
language : en
Publisher:
Release Date : 1974
The Structure Of Atoms Molecules And Crystals written by Leslie Rensselaer Holdridge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Atomic structure categories.
Giant Molecules
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Author : Walter Gratzer
language : en
Publisher: Oxford University Press on Demand
Release Date : 2011-05-26
Giant Molecules written by Walter Gratzer and has been published by Oxford University Press on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-26 with Science categories.
Macromolecules are a fascinating group of molecules with some remarkable properties, many of which are only just being discovered and exploited by science. Walter Gratzer explores their history, structure, and properties: from DNA to polymers, to their cutting edge uses in nanoarrays and biomimetics.
Synthetic Polymers Building The Giant Molecule
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Author : Fred W. Billmeyer
language : en
Publisher:
Release Date : 1972
Synthetic Polymers Building The Giant Molecule written by Fred W. Billmeyer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Science categories.
Giant Molecules
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Author : Charles E. Carraher, Jr.
language : en
Publisher: John Wiley & Sons
Release Date : 2003-08-19
Giant Molecules written by Charles E. Carraher, Jr. 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 2003-08-19 with Technology & Engineering categories.
The Second Edition of Giant Molecules presents an introductory textbook on large molecules that exhibit specific physical and biological properties related to their size, orientation, and environment, making this subject accessible to students from high school to universities. Written by Charles Carraher, author of more than forty books on the subject, this up-to-date guide presents material in an integrated fashion, marrying fundamentals with illustrative applications. The text assumes no previous formal scientific training, and includes new and updated questions and answers, a glossary of relevant terms, bibliographies, visual aids, and related Web links in every chapter. Giant Molecules, Second Edition will appeal to individuals who have a personal or professional interest in polymers, as well as to college chemistry and materials science students who study polymers.
Giant Molecules
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Author : Walter Gratzer
language : en
Publisher: OUP Oxford
Release Date : 2011-05-26
Giant Molecules written by Walter Gratzer and has been published by OUP Oxford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-26 with Science categories.
Our lives are dominated by giant molecules, which have remarkable properties, some of which are only just being discovered and exploited by science, though many have long been exploited far more effectively by Nature. Giant molecules dominate our lives - from the proteins and DNA within us to the man-made fibres of our clothes and the many plastics that we use every day. And they are set to have an enormous impact on the future, as scientists and engineers learn from nature (biomimetics), and utilize the full potential of tiny carbon nanotubes. The possibilities may seem like science fiction - a space station tethered to Earth by cables of giant molecules, tiny molecular vehicles carrying and dispensing drugs in our bodies, smart materials that adjust automatically to optimize our comfort, minute computers utilizing the information storage capacity of DNA - but they are the subjects of cutting edge research. Walter Gratzer gives a fascinating account of the discovery and variety of giant molecules, how they come to have their remarkable properties, and how these are used by Nature and increasingly by us, pausing now and again to tell of some of the remarkable characters involved in their discovery and development.
Giant Molecules
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Author :
language : en
Publisher:
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Giant Molecules written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.