Calculation And Characterization Of Molecular Potential Energy Surfaces

Author : Thom H. Dunning
Publisher : JAI Press(NY)
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.92/5 ( download)

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Download or read book Calculation and Characterization of Molecular Potential Energy Surfaces written by Thom H. Dunning and published by JAI Press(NY). This book was released on 1990 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of organic chemistry has developed dramatically during the past forty years. This collection includes many of the important areas of current research interest. It is devoted to one of the subfields of theoretical and computational chemistry which continues to provide "grand challenges" as well as unprecedented opportunities - the electronic structure of molecules.

Author : Donald Truhlar
Publisher : Springer Science & Business Media
ISBN 13 : 1475717350
Total Pages : 859 pages
Book Rating : 4.58/5 ( download)

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Download or read book Potential Energy Surfaces and Dynamics Calculations written by Donald Truhlar and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 859 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present volume is concerned with two of the central questions of chemical dynamics. What do we know about the energies of interaction of atoms and molecules with each other and with solid surfaces? How can such interaction energies be used to understand and make quantitative predictions about dynamical processes like scattering, energy transfer, and chemical reactions? It is becoming clearly recognized that the computer is leading to rapid progress in answering these questions. The computer allows probing dynamical mechanisms in fine detail and often allows us to answer questions that cannot be addressed with current experimental techniques. As we enter the 1980's, not only are more powerful and faster computers being used, but techniques and methods have been honed to a state where exciting and reliable data are being generated on a variety of systems at an unprecedented pace. The present volume presents a collection of work that illustrates the capabilities and some of the successes of this kind of computer-assisted research. In a 1978 Chemical Society Report, Frey and Walsh pointed out that "it is extremely doubtful if a calculated energy of activation for any unimolecular decomposition can replace an experimental deter mination. " However they also recorded that they "believe[d] that some of the elaborate calculations being performed at present do suggest that we may be approaching a time when a choice between reaction mechanisms will be helped by such [computational] work.

Author : Dietmar Heidrich
Publisher : Springer Science & Business Media
ISBN 13 : 3642934994
Total Pages : 193 pages
Book Rating : 4.95/5 ( download)

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Download or read book Properties of Chemically Interesting Potential Energy Surfaces written by Dietmar Heidrich and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contemporary chemical reaction theory is the characterization of Potential Energy Hypersurfaces (PES). The authors critically analyze chemically and mathematically suitable reaction path definitions. The book presents a simple mathematical analysis of stationary and critical points of the PES. It provides tools for studying chemical reactions by calculating reaction paths and related curves. A further aspect of the book is the dependence of PES properties on approximations used for the analysis. Recent quantum chemical calculations, particularly of single proton transfer processes, and experimental data are compared. The book addresses students and researchers in Theoretical Chemistry, Chemical Kinetics and related fields.

Author : Poul Jørgensen
Publisher : Springer Science & Business Media
ISBN 13 : 9400945841
Total Pages : 337 pages
Book Rating : 4.45/5 ( download)

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Download or read book Geometrical Derivatives of Energy Surfaces and Molecular Properties written by Poul Jørgensen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development and computational implementation of analytical expres sions for the low-order derivatives of electronic energy surfaces and other molecular properties has undergone rapid growth in recent years. It is now fairly routine for chemists to make use of energy gradient information in locating and identifying stable geometries and transition states. The use of second analytical derivative (Hessian or curvature) expressions is not yet routine, and third and higher energy derivatives as well as property (e.g., dipole moment, polarizability) derivatives are just beginning to be applied to chemical problems. This NATO Advanced Research Workshop focused on analyzing the re lative merits of various strategies for deriving the requisite analyti cal expressions, for computing necessary integral derivatives and wave function parameter derivatives, and for efficiently coding these expres sions on conventional scalar machines and vector-oriented computers. The participant list contained many scientists who have been instrumen tal in bringing this field to fruition as well as eminent scientists who have broad knowledge and experience in quantum chemistry in general.

Author : Alexander F. Sax
Publisher : Springer Science & Business Media
ISBN 13 : 3642468799
Total Pages : 242 pages
Book Rating : 4.97/5 ( download)

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Download or read book Potential Energy Surfaces written by Alexander F. Sax and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Potential Energy Surfaces is a collection of lectures given at the 1996 Mariapfarr Workshop in Theoretical Chemistry, organized by Alexander F. Sax. The Mariapfarr Workshops' aim is to discuss in-depth topics in Theoretical Chemistry. The target group of these workshops is graduate students and postdocs.

Author : David Michael Hirst
Publisher : Taylor & Francis Group
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.95/5 ( download)

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Download or read book Potential Energy Surfaces written by David Michael Hirst and published by Taylor & Francis Group. This book was released on 1985 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author :
Publisher : Elsevier
ISBN 13 : 9780080545905
Total Pages : 345 pages
Book Rating : 4.04/5 ( download)

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Download or read book Advances in Molecular Structure Research written by and published by Elsevier. This book was released on 1997-03-08 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Molecular Structure Research

Author : Kenny B. Lipkowitz
Publisher : John Wiley & Sons
ISBN 13 : 0470126086
Total Pages : 302 pages
Book Rating : 4.80/5 ( download)

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Download or read book Reviews in Computational Chemistry, Volume 4 written by Kenny B. Lipkowitz and published by John Wiley & Sons. This book was released on 2009-09-22 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume in the series brings together reknowned experts in the field to present the reader with an account of the latest developments in quantum mechanics, molecular dynamics, and the teaching of computational chemistry. There are so many developments in the field of computational chemistry that it is difficult to keep track of them. The series was established to review the high volume of developments in the field. Rather than create a traditional article, each author approaches a topic to enable the reader to understand and solve problems and locate key references quickly. Each article has tutorial value. An updated compendium of software for molecular modeling appears as an appendix as in previous volumes. To the editors' knowledge, this is the most complete listing of sources of software for computational chemistry anywhere.

Author : Kenny B. Lipkowitz
Publisher : John Wiley & Sons
ISBN 13 : 0470126191
Total Pages : 364 pages
Book Rating : 4.96/5 ( download)

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Download or read book Reviews in Computational Chemistry, Volume 15 written by Kenny B. Lipkowitz and published by John Wiley & Sons. This book was released on 2009-09-22 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: THIS VOLUME, WHICH IS DESIGNED FOR STAND-ALONE USE IN TEACHING AND RESEARCH, FOCUSES ON QUANTUM CHEMISTRY, AN AREA OF SCIENCE THAT MANY CONSIDER TO BE THE CENTRAL CORE OF COMPUTATIONAL CHEMISTRY. TUTORIALS AND REVIEWS COVER * HOW TO OBTAIN SIMPLE CHEMICAL INSIGHT AND CONCEPTS FROM DENSITY FUNCTIONAL THEORY CALCULATIONS, * HOW TO MODEL PHOTOCHEMICAL REACTIONS AND EXCITED STATES, AND * HOW TO COMPUTE ENTHALPIES OF FORMATION OF MOLECULES. A FOURTH CHAPTER TRACES CANADIAN RESEARCH IN THE EVOLUTION OF COMPUTATIONAL CHEMISTRY. ALSO INCLUDED WITH THIS VOLUME IS A SPECIAL TRIBUTE TO QCPE.FROM REVIEWS OF THE SERIES "Reviews in Computational Chemistry proves itself an invaluable resource to the computational chemist. This series has a place in every computational chemist's library."-Journal of the American Chemical Society

Author : Henry F. Schaefer
Publisher : Springer Science & Business Media
ISBN 13 : 1475708874
Total Pages : 476 pages
Book Rating : 4.75/5 ( download)

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Download or read book Methods of Electronic Structure Theory written by Henry F. Schaefer and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: These two volumes deal with the quantum theory of the electronic structure of molecules. Implicit in the term ab initio is the notion that approximate solutions of Schrödinger's equation are sought "from the beginning," i. e. , without recourse to experimental data. From a more pragmatic viewpoint, the distin guishing feature of ab initio theory is usually the fact that no approximations are involved in the evaluation of the required molecular integrals. Consistent with current activity in the field, the first of these two volumes contains chapters dealing with methods per se, while the second concerns the application of these methods to problems of chemical interest. In asense, the motivation for these volumes has been the spectacular recent success of ab initio theory in resolving important chemical questions. However, these applications have only become possible through the less visible but equally important efforts of those develop ing new theoretical and computational methods and models. Henry F Schaefer Vll Contents Contents of Volume 4 XIX Chapter 1. Gaussian Basis Sets for Molecular Calculations Thom. H. Dunning, Ir. and P. Ieffrey Hay 1. Introduction . . . . . . . . . . . . . . . . 1 1. 1. Slater Functions and the Hydrogen Moleeule 1 1. 2. Gaussian Functions and the Hydrogen Atom 3 2. Hartree-Fock Calculations on the First Row Atoms 5 2. 1. Valence States of the First Row Atoms 6 7 2. 2. Rydberg States of the First Row Atoms 9 2. 3.