Stereochemical Applications Of Gas Phase Electron Diffraction Part A
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Stereochemical Applications Of Gas Phase Electron Diffraction Part A
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Author : Istv¿n Hargittai
language : en
Publisher: John Wiley & Sons
Release Date : 1988-10-01
Stereochemical Applications Of Gas Phase Electron Diffraction Part A written by Istv¿n Hargittai 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 1988-10-01 with Science categories.
- Die erste umfassende Darstellung der Elektronenbeugung in der Gasphase, einer sehr erfolgreichen Methode zur Bestimmung molekularer Geometrien. - Das Buch wendet sich in erster Linie an den Nicht-Fachmann. - Die 26 Beiträge stammen von Autoren aus neun Ländern, aus allen führenden auf diesem Gebiet arbeitenden Forschungslaboratorien. - Das Buch enthält einen einführenden Artikel von Herman Mark, dem Pionier der Gasphasenelektronenbeugung und ein Vorwort von Jerome Karle, dem Chemie-Nobelpreisträger von 1985. - Es wird nur zusammen in zwei Teilbänden abgegeben. Teil A beschreibt Entwicklung und derzeitige Möglichkeiten der Methode, darunter auch ihre Kombination mit anderen Verfahren. Teil B enthält Ergebnisse von Strukturbestimmungen für zahlreiche Verbindungsklassen. Er dient als umfassendes, zuverlässiges Nachschlagewerk und bringt gleichzeitig Trends und Interpretationen von Strukturvariationen.
Stereochemical Applications Of Gas Phase Electron Diffraction Structural Information For Selected Classes Of Compounds
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Author : István Hargittai
language : en
Publisher: Wiley-VCH
Release Date : 1988
Stereochemical Applications Of Gas Phase Electron Diffraction Structural Information For Selected Classes Of Compounds written by István Hargittai and has been published by Wiley-VCH this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Science categories.
Stereochemical Applications Of Gas Phase Electron Diffraction
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Author : István Hargittai
language : en
Publisher:
Release Date : 1988-01
Stereochemical Applications Of Gas Phase Electron Diffraction written by István Hargittai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988-01 with Chemistry, Analytic categories.
Equilibrium Structure Of Free Molecules
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Author : Natalja Vogt
language : en
Publisher: Springer Nature
Release Date : 2023-12-06
Equilibrium Structure Of Free Molecules written by Natalja Vogt and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-06 with Science categories.
The properties of chemical, pharmaceutical, and biological compounds depend mainly on their molecular structure, whose determination is of fundamental interest. This book examines and systematizes more than three hundred striking structural determinations of free molecules. Featuring high-quality structural data and presenting modern techniques of their determinations by quantum chemistry, high-resolution spectroscopy and electron diffraction, the book is an indispensable resource for graduate students and professional scientists specializing in structural chemistry and other related fields.
Structure Data Of Free Polyatomic Molecules
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Author : Natalja Vogt
language : en
Publisher: Springer Nature
Release Date : 2020-01-02
Structure Data Of Free Polyatomic Molecules written by Natalja Vogt and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-02 with Science categories.
This handbook presents structural data on free polyatomic molecules. Since the structure of molecules defines the chemical, physical and biological properties of matter, this information is crucial for understanding, explaining and predicting chemical reactions and biochemical processes, developing new drugs and materials as well as studying interstellar media. Covering the structural data published between 2009 and 2017, this book supplements the previous Landolt–Börnstein volumes “Structure Data of Free Polyatomic Molecules” (eds. K. Kuchitsu, N. Vogt, M. Tanimoto), which included data from the literature published up to 2008. It systematizes and describes peculiarities of molecular structures for about 1000 compounds studied mainly by gas-phase electron diffraction and rotational spectroscopy. All structures are given in three-dimensional representations.
Strength From Weakness Structural Consequences Of Weak Interactions In Molecules Supermolecules And Crystals
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Author : Aldo Domenicano
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Strength From Weakness Structural Consequences Of Weak Interactions In Molecules Supermolecules And Crystals written by Aldo Domenicano 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.
The accurate determination of the structure of molecular systems provides information about the consequences of weak interactions both within and between molecules. These consequences impact the properties of the materials and the behaviour in interactions with other substances. The book presents modern experimental and computational techniques for the determination of molecular structure. It also highlights applications ranging from the simplest molecules to DNA and industrially significant materials. Readership: Graduate students and researchers in structural chemistry, computational chemistry, molecular spectroscopy, crystallography, supramolecular chemistry, solid state chemistry and physics, and materials science.
Advances In Molecular Structure Research
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Author :
language : en
Publisher: Elsevier
Release Date : 1997-03-08
Advances In Molecular Structure Research written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-03-08 with Science categories.
Advances in Molecular Structure Research
The Vsepr Model Of Molecular Geometry
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Author : Ronald J Gillespie
language : en
Publisher: Courier Corporation
Release Date : 2013-03-21
The Vsepr Model Of Molecular Geometry written by Ronald J Gillespie and has been published by Courier Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-21 with Science categories.
Valence Shell Electron Pair Repulsion (VSEPR) theory is a simple technique for predicting the geometry of atomic centers in small molecules and molecular ions. This authoritative reference was written by Istvan Hartiggai and the developer of VSEPR theory, Ronald J. Gillespie. In addition to its value as a text for courses in molecular geometry and chemistry, it constitutes a classic reference for professionals. Starting with coverage of the broader aspects of VSEPR, this volume narrows its focus to a succinct survey of the methods of structural determination. Additional topics include the applications of the VSEPR model and its theoretical basis. Helpful data on molecular geometries, bond lengths, and bond angles appear in tables and other graphics.
Accurate Structure Determination Of Free Molecules
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Author : Jean Demaison
language : en
Publisher: Springer Nature
Release Date : 2020-12-02
Accurate Structure Determination Of Free Molecules written by Jean Demaison and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-02 with Science categories.
This book presents a detailed look at experimental and computational techniques for accurate structure determination of free molecules. The most fundamental property of a molecule is its structure – it is a prerequisite for determining and understanding most other important properties of molecules. The determination of accurate structures is hampered by a myriad of factors, subjecting the collected data to non-negligible systematic errors. This book explains the origin of these errors and how to mitigate and even avoid them altogether. It features a detailed comparison of the different experimental and computation methods, explaining their interplay and the advantages of their combined use. Armed with this information, the reader will be able to choose the appropriate methods to determine – to a great degree of accuracy – the relevant molecular structure.
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.