Approximate Molecular Orbital Theory

Approximate Molecular Orbital Theory PDF Author: John A. Pople
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 228

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Book Description

Approximate Molecular Orbital Theory

Approximate Molecular Orbital Theory PDF Author: John A. Pople
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 228

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Book Description


Approximate Molecular Orbital Theory

Approximate Molecular Orbital Theory PDF Author: John A. Pople
Publisher:
ISBN:
Category :
Languages : en
Pages : 214

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Book Description


Principles and Applications of Quantum Chemistry

Principles and Applications of Quantum Chemistry PDF Author: V.P. Gupta
Publisher: Academic Press
ISBN: 0128035013
Category : Science
Languages : en
Pages : 480

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Book Description
Principles and Applications of Quantum Chemistry offers clear and simple coverage based on the author's extensive teaching at advanced universities around the globe. Where needed, derivations are detailed in an easy-to-follow manner so that you will understand the physical and mathematical aspects of quantum chemistry and molecular electronic structure. Building on this foundation, this book then explores applications, using illustrative examples to demonstrate the use of quantum chemical tools in research problems. Each chapter also uses innovative problems and bibliographic references to guide you, and throughout the book chapters cover important advances in the field including: Density functional theory (DFT) and time-dependent DFT (TD-DFT), characterization of chemical reactions, prediction of molecular geometry, molecular electrostatic potential, and quantum theory of atoms in molecules. - Simplified mathematical content and derivations for reader understanding - Useful overview of advances in the field such as Density Functional Theory (DFT) and Time-Dependent DFT (TD-DFT) - Accessible level for students and researchers interested in the use of quantum chemistry tools

Propagators in Quantum Chemistry

Propagators in Quantum Chemistry PDF Author: Jan Linderberg
Publisher: John Wiley & Sons
ISBN: 9780471662570
Category : Science
Languages : en
Pages : 282

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Book Description
The only authoritative reference source on the propagator concept, now thoroughly revised and updated Much has changed in the study of quantum and theoretical chemistry since the publication of the first edition of Propagators in Quantum Chemistry. Advances in computer power and software packages now make it possible to calculate molecular structure, properties, spectra, and reactivity with greater predictive power. Chemical processes, especially under conditions not readily available in the laboratory, can also be much more easily studied via theory and computations. In this environment, the concept of propagators (or Green's functions) is emerging as an increasingly useful tool in the study of atomic and molecular processes. Propagators in Quantum Chemistry, Second Edition presents the theory and basic approximations of propagators in a unified manner as it provides: * A thorough introduction to propagators, and how they can be used to study atomic and molecular properties and spectra * Updated examples and technical details of the use of the propagator concept in various common approximate treatments * Problems that provide the opportunity to work out further details and applications of the theory Propagators, which are still gaining acceptance as tools in theoretical chemistry, have a long-demonstrated power and success in a number of areas including condensed matter physics. Propagators in Quantum Chemistry clearly describes the unprecedented utility and value of propagators, and explores how and why they are becoming increasingly important to scientists and researchers across the scientific spectrum.

Orbital Interaction Theory of Organic Chemistry

Orbital Interaction Theory of Organic Chemistry PDF Author: Arvi Rauk
Publisher: John Wiley & Sons
ISBN: 0471461849
Category : Science
Languages : en
Pages : 360

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Book Description
A practical introduction to orbital interaction theory and its applications in modern organic chemistry Orbital interaction theory is a conceptual construct that lies at the very heart of modern organic chemistry. Comprising a comprehensive set of principles for explaining chemical reactivity, orbital interaction theory originates in a rigorous theory of electronic structure that also provides the basis for the powerful computational models and techniques with which chemists seek to describe and exploit the structures and thermodynamic and kinetic stabilities of molecules. Orbital Interaction Theory of Organic Chemistry, Second Edition introduces students to the fascinating world of organic chemistry at the mechanistic level with a thoroughly self-contained, well-integrated exposition of orbital interaction theory and its applications in modern organic chemistry. Professor Rauk reviews the concepts of symmetry and orbital theory, and explains reactivity in common functional groups and reactive intermediates in terms of orbital interaction theory. Aided by numerous examples and worked problems, he guides readers through basic chemistry concepts, such as acid and base strength, nucleophilicity, electrophilicity, and thermal stability (in terms of orbital interactions), and describes various computational models for describing those interactions. Updated and expanded, this latest edition of Orbital Interaction Theory of Organic Chemistry includes a completely new chapter on organometallics, increased coverage of density functional theory, many new application examples, and worked problems. The text is complemented by an interactive computer program that displays orbitals graphically and is available through a link to a Web site. Orbital Interaction Theory of Organic Chemistry, Second Edition is an excellent text for advanced-level undergraduate and graduate students in organic chemistry. It is also a valuable working resource for professional chemists seeking guidance on interpreting the quantitative data produced by modern computational chemists.

Ideas of Quantum Chemistry

Ideas of Quantum Chemistry PDF Author: Lucjan Piela
Publisher: Elsevier
ISBN: 0080466761
Category : Science
Languages : en
Pages : 1122

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Book Description
Ideas of Quantum Chemistry shows how quantum mechanics is applied to chemistry to give it a theoretical foundation. The structure of the book (a TREE-form) emphasizes the logical relationships between various topics, facts and methods. It shows the reader which parts of the text are needed for understanding specific aspects of the subject matter. Interspersed throughout the text are short biographies of key scientists and their contributions to the development of the field.Ideas of Quantum Chemistry has both textbook and reference work aspects. Like a textbook, the material is organized into digestable sections with each chapter following the same structure. It answers frequently asked questions and highlights the most important conclusions and the essential mathematical formulae in the text. In its reference aspects, it has a broader range than traditional quantum chemistry books and reviews virtually all of the pertinent literature. It is useful both for beginners as well as specialists in advanced topics of quantum chemistry. The book is supplemented by an appendix on the Internet.* Presents the widest range of quantum chemical problems covered in one book * Unique structure allows material to be tailored to the specific needs of the reader * Informal language facilitates the understanding of difficult topics

Energy Properties for an Approximate Molecular Orbital Method

Energy Properties for an Approximate Molecular Orbital Method PDF Author: Warren Clemans Yeakel
Publisher:
ISBN:
Category :
Languages : en
Pages : 644

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Book Description


Sigma Molecular Orbital Theory

Sigma Molecular Orbital Theory PDF Author: Oktay Sinanoğlu
Publisher:
ISBN: 9780300011463
Category : Molecular orbitals
Languages : en
Pages : 0

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Book Description


Hückel Molecular Orbital Theory

Hückel Molecular Orbital Theory PDF Author: Keith Yates
Publisher: Elsevier
ISBN: 0323152996
Category : Science
Languages : en
Pages : 384

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Book Description
Huckel Molecular Orbital Theory aims to be a simple, descriptive, and non-mathematical introduction to the Huckel molecular orbital theory and its applications in organic chemistry, thus the more basic text found in the book. The book, after an introduction to related concepts such as quantum mechanics and chemical bonding, discusses the Huckel molecular orbital theory and its basic assumptions; the variation principle and the basic Huckel method; and the use of symmetry properties in simplifying Huckel method orbital calculations. The book also covers other related topics such as the extensions and improvements of the simple Huckel method; the quantitative significance Huckel molecular orbital results; and the principle of conservation of orbital symmetry. The text is recommended for undergraduate students of organic chemistry who wish to be acquainted with the basics of the Huckel molecular orbital theory.

A Chemist's Guide to Valence Bond Theory

A Chemist's Guide to Valence Bond Theory PDF Author: Sason S. Shaik
Publisher: John Wiley & Sons
ISBN: 0470192585
Category : Science
Languages : en
Pages : 332

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Book Description
This reference on current VB theory and applications presents a practical system that can be applied to a variety of chemical problems in a uniform manner. After explaining basic VB theory, it discusses VB applications to bonding problems, aromaticity and antiaromaticity, the dioxygen molecule, polyradicals, excited states, organic reactions, inorganic/organometallic reactions, photochemical reactions, and catalytic reactions. With a guide for performing VB calculations, exercises and answers, and numerous solved problems, this is the premier reference for practitioners and upper-level students.