Electron Densities in Molecular and Molecular Orbitals

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Publisher : Elsevier
ISBN 13 : 032316112X
Total Pages : 117 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Electron Densities in Molecular and Molecular Orbitals by : J.R. Van Wazer

Download or read book Electron Densities in Molecular and Molecular Orbitals written by J.R. Van Wazer and published by Elsevier. This book was released on 2012-12-02 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron Densities in Molecules and Molecular Orbitals aims to explain the subject of molecular orbitals without having to rely much on its mathematical aspect, making it more approachable to those who are new to quantum chemistry. The book covers topics such as orbitals in quantum-chemical calculations; electronic ionizations and transitions; molecular-orbital change distributions; orbital transformations and calculations not involving orbitals; and electron densities and shapes in atoms and molecules. Also included in the book are the cross-sectional plots of electron densities of compounds such as organic compounds like methane, ethane, and ethylene; monomeric lithium fluoride and monomeric methyl lithium; hydrogen cyanide and methinophosphide; and monomeric borane and diborane. The text is recommended for those who have begun taking an interest in quantum chemistry but do not wish to deal yet with the mathematics part of the subject.

Electron Densities in molecules and molecular orbitals

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Publisher :
ISBN 13 :
Total Pages : 101 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Electron Densities in molecules and molecular orbitals by : John Robert van Wazer

Download or read book Electron Densities in molecules and molecular orbitals written by John Robert van Wazer and published by . This book was released on 1975 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electron and Magnetization Densities in Molecules and Crystals

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 1468410180
Total Pages : 885 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Electron and Magnetization Densities in Molecules and Crystals by : Pierre Becker

Download or read book Electron and Magnetization Densities in Molecules and Crystals written by Pierre Becker and published by Springer Science & Business Media. This book was released on 2013-11-21 with total page 885 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interest of describing the ground state properties of a system in terms of one electron density (or its two spin components) is obvious, in particular due to the simple physical significance of this function. Recent experimental progress in diffraction made the measurement of charge and magnetization densities in crystalline solids possible, with an accuracy at least as good as theoretical accuracy. Theoretical developments of the many-body problem have proved the extreme importance of the one electron density function and presently, accurate methods of band structure determination become available. Parallel to the diffraction techniques, other domains of research (inelastic scattering, resonance, molecular spectroscopy) deal with quantities directly related to the one particle density. But the two types of studies do not interfere enough and one should obviously gain more information by interpreting all experiments that are related to the density together. It became necessary to have an International School that reviews the status of the art in the domain of "ELECTRON AND MAGNETIZATION DENSITIES IN MOLECULES AND CRYSTALS". This was made possible through the generous effort of N.A.T.O. 's Scientific Affairs Division, and I would specially thank Dr. T. KESTER, the head of this Division, for his help and competence. An Advanced Study Institute was thus held in ARLES, south France, from the 16th to the 31st of August 1978.

Orbital and Electron Density Diagrams

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Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Orbital and Electron Density Diagrams by : Andrew Streitwieser (jr.)

Download or read book Orbital and Electron Density Diagrams written by Andrew Streitwieser (jr.) and published by . This book was released on 1973 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electron Density

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Publisher : John Wiley & Sons
ISBN 13 : 1394217641
Total Pages : 613 pages
Book Rating : 4.3/5 (942 download)

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Book Synopsis Electron Density by : Pratim Kumar Chattaraj

Download or read book Electron Density written by Pratim Kumar Chattaraj and published by John Wiley & Sons. This book was released on 2024-07-10 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discover theoretical, methodological, and applied perspectives on electron density studies and density functional theory Electron density or the single particle density is a 3D function even for a many-electron system. Electron density contains all information regarding the ground state and also about some excited states of an atom or a molecule. All the properties can be written as functionals of electron density, and the energy attains its minimum value for the true density. It has been used as the basis for a quantum chemical computational method called Density Functional Theory, or DFT, which can be used to determine various properties of molecules. DFT brings out a drastic reduction in computational cost due to its reduced dimensionality. Thus, DFT is considered to be the workhorse for modern computational chemistry, physics as well as materials science. Electron Density: Concepts, Computation and DFT Applications offers an introduction to the foundations and applications of electron density studies and analysis. Beginning with an overview of major methodological and conceptual issues in electron density, it analyzes DFT and its major successful applications. The result is a state-of-the-art reference for a vital tool in a range of experimental sciences. Readers will also find: A balance of fundamentals and applications to facilitate use by both theoretical and computational scientists Detailed discussion of topics including the Levy-Perdew-Sahni equation, the Kohn Sham Inversion problem, and more Analysis of DFT applications including the determination of structural, magnetic, and electronic properties Electron Density: Concepts, Computation and DFT Applications is ideal for academic researchers in quantum, theoretical, and computational chemistry and physics.

The Fundamentals of Electron Density, Density Matrix and Density Functional Theory in Atoms, Molecules and the Solid State

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Publisher : Springer Science & Business Media
ISBN 13 : 9401704090
Total Pages : 233 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis The Fundamentals of Electron Density, Density Matrix and Density Functional Theory in Atoms, Molecules and the Solid State by : N.I. Gidopoulos

Download or read book The Fundamentals of Electron Density, Density Matrix and Density Functional Theory in Atoms, Molecules and the Solid State written by N.I. Gidopoulos and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume records the proceedings of a Forum on The Fundamentals of Electron Density, Density Matrix and Density Functional Theory in Atoms, Molecules and the Solid State held at the Coseners' House, Abingdon-on-Thames, Oxon. over the period 31st May - 2nd June, 2002. The forum consisted of 26 oral and poster presentations followed by a discussion structure around questions and comments submitted by the participants (and others who had expressed an interest) in advance of the meeting. Quantum mechanics provides a theoretical foundation for our under standing of the structure and properties of atoms, molecules and the solid state in terms their component particles, electrons and nuclei. (Rel ativistic quantum mechanics is required for molecular systems contain ing heavy atoms.) However, the solution of the equations of quantum mechanics yields a function, a wave function, which depends on the co ordinates, both space and spin, of all of the particles in the system. This functions contains much more information than is required to yield the energy or other property.

Density Functional Theory of Molecules, Clusters, and Solids

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Publisher : Springer Science & Business Media
ISBN 13 : 9401104875
Total Pages : 321 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Density Functional Theory of Molecules, Clusters, and Solids by : D.E. Ellis

Download or read book Density Functional Theory of Molecules, Clusters, and Solids written by D.E. Ellis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid advances are taking place in the application of density functional theory (DFT) to describe complex electronic structures, to accurately treat large systems and to predict physical and chemical properties. Both theoretical content and computational methodology are developing at a pace which offers researchers new opportunities in areas such as quantum chemistry, cluster science, and solid state physics. This volume contains ten contributions by leading scientists in the field and provides an authoritative overview of the most important developments. The book focuses on the following themes: determining adequate approximations for the many-body problem of electronic correlations; how to transform these approximations into computational algorithms; applications to discover and predict properties of electronic systems; and developing the theory. For researchers in surface chemistry, catalysis, ceramics and inorganic chemistry.

Electron Density and Chemical Bonding I

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Publisher : Springer
ISBN 13 : 3642308023
Total Pages : 221 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Electron Density and Chemical Bonding I by : Dietmar Stalke

Download or read book Electron Density and Chemical Bonding I written by Dietmar Stalke and published by Springer. This book was released on 2012-06-05 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: D. Stalke, U. Flierler: More than Just Distances from Electron Density Studies.- A.O. Madsen: Modeling and Analysis of Hydrogen Atoms.- B.B. Iversen/J. Overgaard: Charge Density Methods in Hydrogen Bond Studies.- U. Flierler, D. Stalke: Some Main Group Chemical Perceptions in the Light of Experimental Charge Density Investigations.- D. Leusser: Electronic Structure and Chemical Properties of Lithium Organics Seen Through the Glasses of Charge Density.- L. J. Farrugia, P. Macchi: Bond Orders in Metal–Metal Interactions Through Electron Density Analysis.- W. Scherer, V. Herz, Ch. Hauf: On the Nature of β-Agostic Interactions: A Comparison Between the Molecular Orbital and Charge Density Picture.

Electron Density and Bonding in Crystals

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Publisher : CRC Press
ISBN 13 : 1000112357
Total Pages : 529 pages
Book Rating : 4.0/5 (1 download)

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Book Synopsis Electron Density and Bonding in Crystals by : V.G Tsirelson

Download or read book Electron Density and Bonding in Crystals written by V.G Tsirelson and published by CRC Press. This book was released on 2020-11-25 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron Density and Bonding in Crystals: Principles, Theory and X-Ray Diffraction Experiments in Solid State Physics and Chemistry provides a comprehensive, unified account of the use of diffraction techniques to determine the distribution of electrons in crystals. The book discusses theoretical and practical techniques, the application of electron density studies to chemical bonding, and the determination of the physical properties of condensed matter. The book features the authors' own key contributions to the subject as well a thorough, critical summary of the extensive literature on electron density and bonding. Logically organized, coverage ranges from the theoretical and experimental basis of electron density determination to its impact on investigations of the nature of the chemical bond and its uses in determining electromagnetic and optical properties of crystals. The main text is supplemented by appendices that provide clear, concise guidance on aspects such as systems of units, quantum theory of atomic vibrations, atomic orbitals, and creation and annihilation operators. The result is a valuable compendium of modern knowledge on electron density distributions, making this reference a standard for crystallographers, condensed matter physicists, theoretical chemists, and materials scientists.

Quantum Biochemistry

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Publisher : John Wiley & Sons
ISBN 13 : 352762922X
Total Pages : 978 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Quantum Biochemistry by : Chérif F. Matta

Download or read book Quantum Biochemistry written by Chérif F. Matta and published by John Wiley & Sons. This book was released on 2010-01-14 with total page 978 pages. Available in PDF, EPUB and Kindle. Book excerpt: Divided into five major parts, the two volumes of this ready reference cover the tailoring of theoretical methods for biochemical computations, as well as the many kinds of biomolecules, reaction and transition state elucidation, conformational flexibility determination, and drug design. Throughout, the chapters gradually build up from introductory level to comprehensive reviews of the latest research, and include all important compound classes, such as DNA, RNA, enzymes, vitamins, and heterocyclic compounds. The result is in-depth and vital knowledge for both readers already working in the field as well as those entering it. Includes contributions by Prof. Ada Yonath (Nobel Prize in Chemistry 2009) and Prof. Jerome Karle (Nobel Prize in Chemistry 1985).

Orbital Interactions in Chemistry

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Publisher : John Wiley & Sons
ISBN 13 : 047108039X
Total Pages : 853 pages
Book Rating : 4.4/5 (71 download)

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Book Synopsis Orbital Interactions in Chemistry by : Thomas A. Albright

Download or read book Orbital Interactions in Chemistry written by Thomas A. Albright and published by John Wiley & Sons. This book was released on 2013-04-08 with total page 853 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains the underlying structure that unites all disciplinesin chemistry Now in its second edition, this book explores organic,organometallic, inorganic, solid state, and materials chemistry,demonstrating how common molecular orbital situations arisethroughout the whole chemical spectrum. The authors explore therelationships that enable readers to grasp the theory thatunderlies and connects traditional fields of study withinchemistry, thereby providing a conceptual framework with which tothink about chemical structure and reactivity problems. Orbital Interactions in Chemistry begins by developingmodels and reviewing molecular orbital theory. Next, the bookexplores orbitals in the organic-main group as well as in solids.Lastly, the book examines orbital interaction patterns that occurin inorganic-organometallic fields as well as clusterchemistry, surface chemistry, and magnetism in solids. This Second Edition has been thoroughly revised andupdated with new discoveries and computational tools since thepublication of the first edition more than twenty-five years ago.Among the new content, readers will find: * Two new chapters dedicated to surface science and magneticproperties * Additional examples of quantum calculations, focusing oninorganic and organometallic chemistry * Expanded treatment of group theory * New results from photoelectron spectroscopy Each section ends with a set of problems, enabling readers totest their grasp of new concepts as they progress through the text.Solutions are available on the book's ftp site. Orbital Interactions in Chemistry is written for bothresearchers and students in organic, inorganic, solid state,materials, and computational chemistry. All readers will discoverthe underlying structure that unites all disciplines inchemistry.

Molecules in Physics, Chemistry, and Biology

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Publisher : Springer Science & Business Media
ISBN 13 : 9789027725981
Total Pages : 466 pages
Book Rating : 4.7/5 (259 download)

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Book Synopsis Molecules in Physics, Chemistry, and Biology by : Jean Maruani

Download or read book Molecules in Physics, Chemistry, and Biology written by Jean Maruani and published by Springer Science & Business Media. This book was released on 1988-12-31 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 1: General Introduction to Molecular Sciences Volume 2: Physical Aspects of Molecular Systems Volume 3: Electronic Structure and Chemical Reactivity Volume 4: Molecular Phenomena in Biological Sciences

Electron Density Theory of Atoms and Molecules

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Publisher :
ISBN 13 : 9780124705258
Total Pages : 339 pages
Book Rating : 4.7/5 (52 download)

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Book Synopsis Electron Density Theory of Atoms and Molecules by : Norman Henry March

Download or read book Electron Density Theory of Atoms and Molecules written by Norman Henry March and published by . This book was released on 1992 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron density theory, widely used since its development in the 1960s, is virtually the sole ab-initio quantum mechanical approach for solid state and materials science research. This book describes experimental electron density determination in direct and momentum space and develops theories of electronic structure based on electron density with emphasis on systems with a large number of electrons.

Structures and Approximations for Electrons in Molecules

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Author :
Publisher : Ellis Horwood
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Structures and Approximations for Electrons in Molecules by : David B. Cook

Download or read book Structures and Approximations for Electrons in Molecules written by David B. Cook and published by Ellis Horwood. This book was released on 1978 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electron, Spin and Momentum Densities and Chemical Reactivity

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Publisher : Springer Science & Business Media
ISBN 13 : 030646943X
Total Pages : 328 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Electron, Spin and Momentum Densities and Chemical Reactivity by : Paul G. Mezey

Download or read book Electron, Spin and Momentum Densities and Chemical Reactivity written by Paul G. Mezey and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: The electron density of a non-degenerate ground state system determines essentially all physical properties of the system. This statement of the Hohenberg–Kohn theorem of Density Functional Theory plays an exceptionally important role among all the fundamental relations of Molecular Physics. In particular, the electron density distribution and the dynamic properties of this density determine both the local and global reactivities of molecules. High resolution experimental electron densities are increasingly becoming available for more and more molecules, including macromolecules such as proteins. Furthermore, many of the early difficulties with the determination of electron densities in the vicinity of light nuclei have been overcome. These electron densities provide detailed information that gives important insight into the fundamentals of molecular structure and a better understanding of chemical reactions. The results of electron density analysis are used in a variety of applied fields, such as pharmaceutical drug discovery and biotechnology. If the functional form of a molecular electron density is known, then various molecular properties affecting reactivity can be determined by quantum chemical computational techniques or alternative approximate methods.

Molecular Orbitals

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Publisher : American Chemical Society
ISBN 13 : 0841299552
Total Pages : 202 pages
Book Rating : 4.8/5 (412 download)

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Book Synopsis Molecular Orbitals by : Pierpaolo (Pier) Morgante

Download or read book Molecular Orbitals written by Pierpaolo (Pier) Morgante and published by American Chemical Society. This book was released on 2023-04-19 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron orbitals of molecules, or molecular orbitals (MOs), are ubiquitous in chemistry. It is difficult to imagine modern research in chemistry, materials chemistry, chemical engineering, and related fields—in the broader sense—without the insight that is offered by the description of electronic structure in terms of atomic and molecular orbitals. Despite its importance, orbital theory, and MO theory, in particular, is not always taught rigorously in the chemistry curriculum. This primer is meant to introduce the aspiring chemist to the ideas underlying MO theory, to make it clear what MOs are and what they are not, and to showcase selected qualitative and quantitative applications of MO theory with a strong emphasis on the visualization of orbitals.

Electrons in Molecules

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Publisher : Oxford University Press, USA
ISBN 13 : 0199297789
Total Pages : 511 pages
Book Rating : 4.1/5 (992 download)

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Book Synopsis Electrons in Molecules by : Jean-Pierre Launay

Download or read book Electrons in Molecules written by Jean-Pierre Launay and published by Oxford University Press, USA. This book was released on 2014 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to provide the reader with essential keys to a unified understanding of the rapidly expanding field of molecular materials and devices: electronic structures and bonding, magnetic, electrical and photo-physical properties, and the mastering of electrons in molecular electronics. Chemists will discover how basic quantum concepts allow us to understand the relations between structures, electronic structures, and properties of molecular entities and assemblies, and to design new molecules and materials. Physicists and engineers will realize how the molecular world fits in with their need for systems flexible enough to check theories or provide original solutions to exciting new scientific and technological challenges. The non-specialist will find out how molecules behave in electronics at the most minute, sub-nanosize level. The comprehensive overview provided in this book is unique and will benefit undergraduate and graduate students in chemistry, materials science, and engineering, as well as researchers wanting a simple introduction to the world of molecular materials.