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Structure Solid State Reactions And Polymorphism Of Molecular Crystals
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Book Synopsis Polymorphism in Molecular Crystals by : Joel Bernstein
Download or read book Polymorphism in Molecular Crystals written by Joel Bernstein and published by Oxford University Press. This book was released on 2002 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymorphism - the multiplicity of structures or forms - is a term that is used in many disciplines. In chemistry it refers to the existence of more than one crystal structure for a particular chemical substance. The properties of a substance are determined by its composition and by its structure. In the last two decades, there has been a sharp rise in the interest in polymorphic systems, as an intrinsically interesting phenomenon and as an increasingly important component in the development and marketing of a variety of materials based on organic molecules (e.g. pharmaceuticals, dyes and pigments, explosives, etc.). This book summarizes and brings up to date the current knowledge and understanding of polymorphism of molecular crystals, and concentrates it in one comprehensive source. The book will be an invaluable reference for students, researchers, and professionals in the field.
Book Synopsis Strength from Weakness: Structural Consequences of Weak Interactions in Molecules, Supermolecules, and Crystals by : Aldo Domenicano
Download or read book Strength from Weakness: Structural Consequences of Weak Interactions in Molecules, Supermolecules, and Crystals written by Aldo Domenicano and published by Springer Science & Business Media. This book was released on 2002-06-30 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Research Workshop on Physical-Chemical Properties from Weak Interactions, held in Erice, Italy, from 23 to 29 May 2001
Book Synopsis Physics and Chemistry of the Organic Solid State by : David Fox
Download or read book Physics and Chemistry of the Organic Solid State written by David Fox and published by . This book was released on 1963 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Control and Prediction of Solid-State of Pharmaceuticals by : Rajni Miglani Bhardwaj
Download or read book Control and Prediction of Solid-State of Pharmaceuticals written by Rajni Miglani Bhardwaj and published by Springer. This book was released on 2016-02-02 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis investigates a range of experimental and computational approaches for the discovery of solid forms. Furthermore, we gain, as readers, a better understanding of the key factors underpinning solid-structure and diversity. A major part of this thesis highlights experimental work carried out on two structurally very similar compounds. Another important section involves looking at the influence of small changes in structure and substituents on solid-structure and diversity using computational tools including crystal structure prediction, PIXEL calculations, Xpac, Mercury and statistical modeling tools. In addition, the author presents a fast validated method for solid-state form screening using Raman microscopy on multi-well plates to explore the experimental crystallization space. This thesis illustrates an inexpensive, practical and accurate way to predict the crystallizability of organic compounds based on molecular structure alone, and additionally highlights the molecular factors that inhibit or promote crystallization.
Book Synopsis Molecular Networks by : Mir Wais Hosseini
Download or read book Molecular Networks written by Mir Wais Hosseini and published by Springer Science & Business Media. This book was released on 2009-06-29 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the future, many modern materials will be increasingly based on the assembly of preformed molecular entities. Their structural characteristics and functional prop- ties will be programmed at the molecular level and their formation as a completed entity will be achieved by self-assembly processes. This in essence is a bottom-up approach and its success will require a deep understanding not only of the chemistry of intermolecular interactions and associations but also of self-assembly processes in the condensed phase. Among various interesting innovations brought about by the development of supramolecular chemistry, supramolecular synthesis is a part- ularly powerful approach for the design and generation of molecular architectures displaying both structural and functional complexity. The combination of mol- ular synthesis (which allows chemists to design and prepare extremely sophis- cated biotic and abiotic molecules through the interconnection of atoms or group of atoms by strong covalent bonds) and supramolecular synthesis (which orch- trates the association of molecules by recognition processes through the use of weak and reversible interactions) opens up endless structural and functional possibilities. Following the perceptive observation by Dunitz that "A crystal is, in a sense, the supramolecule par excellence", molecular crystals may be seen as in'nite periodic architectures resulting from the interconnection of building blocks or tectons ca- ble of self-assembling through speci'c recognising events.
Book Synopsis Design of Organic Solids by : Edwin Weber
Download or read book Design of Organic Solids written by Edwin Weber and published by Springer. This book was released on 2003-09-05 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considering the high level of our knowledge concerning covalent bond formation in the organic chemistry of molecules, our understanding of the principles involved in organic solid design is almost in its infancy. While chemists today are able to synthesize organic molecules of very high complexity using sophisticated methods of preparation, they lack general approaches enabling them to reliably predict organic crystalline or solid structures from molecular descriptors - no matter how simple they are. On the other hand, nearly all the organic matter surrounding us is not in the single-molecule state but aggregated and condensed to form liquid or solid molecular assemblages and structural arrays giving rise to the appearances and properties of organic compounds we usually observe. Obviously, the electrical, optical or magnetic properties of solid organic materials that are important requirements for future technologies and high-tech applications, as well as the stability and solubility behavior of a medicament depend on the structure of the molecule and the intramolecular forces, but even more decisively on the intermolecular forces, i. e. the packing structure of the molecules to which a general approach is lacking. This situation concerned ]. Maddox some years ago to such a degree that he described it as "one of the continuing scandals in the physical sciences" [see (1998) Nature 335:201; see also Ball, P. (1996) Nature 381:648]. The problem of predicting organic solid and crystal structures is very dif- cult.
Author :United States. Air Force. Directorate of Chemical and Atmospheric Sciences Publisher : ISBN 13 : Total Pages :216 pages Book Rating :4.3/5 (91 download)
Book Synopsis AFOSR Chemical & Atmospheric Sciences Program Review by : United States. Air Force. Directorate of Chemical and Atmospheric Sciences
Download or read book AFOSR Chemical & Atmospheric Sciences Program Review written by United States. Air Force. Directorate of Chemical and Atmospheric Sciences and published by . This book was released on 1972 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis World Directory of Crystallographers by :
Download or read book World Directory of Crystallographers written by and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2006 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electrical and Optical Polymer Systems by : Donald L. Wise
Download or read book Electrical and Optical Polymer Systems written by Donald L. Wise and published by CRC Press. This book was released on 1998-03-27 with total page 1256 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Offers background information, methods of characterization, and applications for electrical and optical polymers, including biopolymers, and tutorial sections that explain how to use the techniques."
Book Synopsis Organic Solid State Chemistry by : Gautam R. Desiraju
Download or read book Organic Solid State Chemistry written by Gautam R. Desiraju and published by Elsevier Publishing Company. This book was released on 1987 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the growing recognition that many organic reactions may be conducted easily in the solid state and that organic solids may have unique optical/electronic properties, there has been much interest - in both academia and industry - in the subject of organic solid state chemistry. This book provides, for the first time, a coherent, unified view of the subject. It describes the packing of molecular crystals and how this packing influences chemical reactions in the solid state. It is concerned with various means of studying the chemistry and physics of molecules in constrained environments. Both experimental and theoretical approaches are discussed. Finally, it tackles the question of prediction of crystal packing, or crystal engineering'. The strength of the book lies in the twin approach adopted, namely that both conceptual and comprehensive chapters are present, in almost equal numbers.
Book Synopsis Models, Mysteries, and Magic of Molecules by : Jan C. A. Boeyens
Download or read book Models, Mysteries, and Magic of Molecules written by Jan C. A. Boeyens and published by Springer Science & Business Media. This book was released on 2008-03-11 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Indaba 5 meeting, held in South Africa during August 2006, examined the progress being made to achieve first-principle understanding of molecular science and confirmed the need to better understand the mysteries and magic of molecules. This book explores the common ground to guide chemists, biologists, crystallographers, spectroscopists and theorists towards painting a holistic picture of scientific endeavor.
Book Synopsis Molecular Networks by : Mir Wais Hosseini
Download or read book Molecular Networks written by Mir Wais Hosseini and published by Springer Science & Business Media. This book was released on 2009-06-20 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Topics in Stereochemistry, Volume 25 by : Scott E. Denmark
Download or read book Topics in Stereochemistry, Volume 25 written by Scott E. Denmark and published by John Wiley & Sons. This book was released on 2006-05-05 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diese Reihe zur Stereochemie wendet sich an fortgeschrittene Studenten und praktisch tätige Naturwissenschaftler, in erster Linie organische Chemiker mit Interesse an Fragen der Physikochemie und Molekülphysik . Themen sind vielfältige Aspekte der Stereochemie (der räumlichen Anordnung) organischer und biologischer Moleküle sowie die Auswirkungen der Orientierung auf die Eigenschaften der Verbindungen.
Book Synopsis Reactivity in Molecular Crystals by : Yuji Ohashi
Download or read book Reactivity in Molecular Crystals written by Yuji Ohashi and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Do you need to design syntheses that are * highly selective * fast * enantioselective with quantitative enantiomeric yield? This book describes in detail how best to exploit the enormous synthetic potential of solid state reactions. Written by leading experts, it provides in-depth information on * the theoretical and physico-chemical approach to solid state reactions * solid-to-solid organic reactions * stereoselective solid state photoreactions * reactivity and crystal structure An ideal companion to Dunitz and Bürgi's 'Structure Correlation', this book will be highly useful to synthetic organic chemists, stereochemists, crystallographers, and solid-state chemists
Book Synopsis Crystallography of the Polymethylene Chain by : Douglas L. Dorset
Download or read book Crystallography of the Polymethylene Chain written by Douglas L. Dorset and published by OUP Oxford. This book was released on 2004-12-09 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: By considering the solid state packing of linear chain wax components, this book aims at understanding three things: firstly, which modifications of molecular components are allowed for maintaining stable solid solutions; secondly, what happens when stability conditions are traversed and fractionation begins and thirdly, the structure of fractionated arrays. The co-compatibility of molecular ingredients is considered in terms of their shapes and relative sizes, following an approach originally proposed by Kitaigorodskii. As demonstrated profusely by the crystal structures of pure component types (e. g. alkanes, fatty alcohols, fatty acids, long chain esters, cholesteryl esters) and insertion of functional groups (e. g. chain branches, unsaturation, heteroatoms), characteristic molecular packing arrays provide important geometric information for understanding the co-packing of different molecules in mixtures. Single crystal and spectroscopic data from polydisperse arrays can then be evaluated to arrive at plausible structures of solid solutions and fractionated systems. The resultant structures are not only relevant to the understanding of so-called waxes but also include certain classes of polymers. The ramifications of this work extend into any solid state array of polymethylene chains, including lipid foodstuffs.
Book Synopsis Solid-State Properties of Pharmaceutical Materials by : Stephen R. Byrn
Download or read book Solid-State Properties of Pharmaceutical Materials written by Stephen R. Byrn and published by John Wiley & Sons. This book was released on 2017-07-12 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a detailed discussion of important solid-state properties, methods, and applications of solid-state analysis Illustrates the various phases or forms that solids can assume and discussesvarious issues related to the relative stability of solid forms and tendencies to undergo transformation Covers key methods of solid state analysis including X-ray powder diffraction, thermal analysis, microscopy, spectroscopy, and solid state NMR Reviews critical physical attributes of pharmaceutical materials, mainly related to drug substances, including particle size/surface area, hygroscopicity, mechanical properties, solubility, and physical and chemical stability Showcases the application of solid state material science in rational selection of drug solid forms, analysis of various solid forms within drug substance and the drug product, and pharmaceutical product development Introduces appropriate manufacturing and control procedures using Quality by Design, and other strategies that lead to safe and effective products with a minimum of resources and time
