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Atoms in Molecules

Atoms in Molecules
Author: Paul L. A. Popelier
Publisher: Longman Publishing Group
Total Pages: 0
Release: 2000
Genre: Atoms
ISBN: 9780582367982

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Atoms in Molecules (AIM) is a powerful and novel theory for understanding chemistry, acting as a bridge between fundamental chemical concepts - such as the atom, the bond and molecular structure - and quantum mechanics. It is used increasingly in both theoretical and crystallographic research internationally, including its use in interpreting experimental charge densities. This book provides a balanced, consistent and didactic account of this exciting theory, explaining its potential impact and making it accessible to a wide audience.


The Basics of Atoms and Molecules

The Basics of Atoms and Molecules
Author: Tom Jackson
Publisher: The Rosen Publishing Group, Inc
Total Pages: 98
Release: 2013-12-15
Genre: Juvenile Nonfiction
ISBN: 1477727159

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A fun-filled introduction to matter, the elements of the periodic table, atoms, electrons, reactions and bonding, and radioactivity, this volume provides young adults with chemistry examples that reflect their real-world interconnections in science. Key terms, easy experiments, and clear illustrations help to guide students through chemical applications. A chapter about Niels Bohr and his model for the atom honors his contribution to the understanding of atomic structure and to nuclear fission. Tools and techniques, such as a scanning tunneling microscope, Rutherford's gold foil experiment, and a mass spectrometer, highlight this instructive text that is aligned to the Common Core Standards.


Atoms and Molecules

Atoms and Molecules
Author: Mitchel Weissbluth
Publisher: Elsevier
Total Pages: 730
Release: 2012-12-02
Genre: Science
ISBN: 032314294X

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Atoms and Molecules describes the basic properties of atoms and molecules in terms of group theoretical methods in atomic and molecular physics. The book reviews mathematical concepts related to angular momentum properties, finite and continuous rotation groups, tensor operators, the Wigner-Eckart theorem, vector fields, and vector spherical harmonics. The text also explains quantum mechanics, including symmetry considerations, second quantization, density matrices, time-dependent, and time-independent approximation methods. The book explains atomic structure, particularly the Dirac equation in which its nonrelativistic approximation provides the basis for the derivation of the Hamiltonians for all important interactions, such as spin-orbit, external fields, hyperfine. Along with multielectron atoms, the text discusses multiplet theory, the Hartree-Fock formulation, as well as the electromagnetic radiation fields, their interactions with atoms in first and higher orders. The book explores molecules and complexes, including the Born-Oppenheimer approximation, molecular orbitals, the self-consistent field method, electronic states, vibrational and rotational states, molecular spectra, and the ligand field theory. The book can prove useful for graduate or advanced students and academicians in the field of general and applied physics.


Atoms in Molecules

Atoms in Molecules
Author: Richard F. W. Bader
Publisher: Oxford University Press on Demand
Total Pages: 438
Release: 1994
Genre: Science
ISBN: 9780198558651

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The molecular structure hypothesis - that a molecule is a collection of atoms linked by a network of bonds - was forged in the crucible of nineteenth century experimental chemistry and has continued to serve as the principal means of ordering and classifying the observations of chemistry. There is a difficulty with the hypothesis, however, in that it is not related directly to the physics which governs the motions of the nuclei and electrons that make up the atoms and the bonds. It isthe purpose of this important book - now available in paperback for the first time - to show that a theory can be developed to underpin the molecular structure hypothesis - that the atoms in a molecule are real, with properties predicted and defined by the laws of quantum mechanics can be incorporated into the resulting theory - a theory of atoms in molecules. The book is aimed at those scientists responsible for performing the experiments and collecting the observations on the properties ofmatter at the atomic level, in the belief that the transformation of qualitative concepts into a qualitative theory will serve to deepen our understanding of chemistry.


The Quantum Theory of Atoms in Molecules

The Quantum Theory of Atoms in Molecules
Author: Chérif F. Matta
Publisher: John Wiley & Sons
Total Pages: 567
Release: 2007-04-09
Genre: Science
ISBN: 3527307486

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This book distills the knowledge gained from research into atoms in molecules over the last 10 years into a unique, handy reference. Throughout, the authors address a wide audience, such that this volume may equally be used as a textbook without compromising its research-oriented character. Clearly structured, the text begins with advances in theory before moving on to theoretical studies of chemical bonding and reactivity. There follow separate sections on solid state and surfaces as well as experimental electron densities, before finishing with applications in biological sciences and drug-design. The result is a must-have for physicochemists, chemists, physicists, spectroscopists and materials scientists.


Atoms, Molecules and Photons

Atoms, Molecules and Photons
Author: Wolfgang Demtröder
Publisher: Springer Science & Business Media
Total Pages: 601
Release: 2010-11-10
Genre: Science
ISBN: 3642102980

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This introduction to Atomic and Molecular Physics explains how our present model of atoms and molecules has been developed during the last two centuries by many experimental discoveries and from the theoretical side by the introduction of quantum physics to the adequate description of micro-particles. It illustrates the wave model of particles by many examples and shows the limits of classical description. The interaction of electromagnetic radiation with atoms and molecules and its potential for spectroscopy is outlined in more detail and in particular lasers as modern spectroscopic tools are discussed more thoroughly. Many examples and problems with solutions should induce the reader to an intense active cooperation.


The Basics of Atoms and Molecules

The Basics of Atoms and Molecules
Author: Anne O'Daly
Publisher: Rosen Young Adult
Total Pages: 0
Release: 2023-12-30
Genre: Young Adult Nonfiction
ISBN: 9781499475500

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This is a detailed introduction to matter, the elements of the periodic table, atoms, electrons, reactions and bonding, and radioactivity. This volume provides young adults with chemistry examples that reflect their real-world. Key terms, easy experiments, and clear illustrations guide students through subatomic explorations. A chapter about Niels Bohr and his model for the atom honors his contribution to the understanding of atomic structure. Tools and techniques, such as a scanning tunneling microscope, Rutherford's gold foil experiment, and a mass spectrometer, help readers to gain a comprehensive understanding of atoms and molecules.


Density-Functional Theory of Atoms and Molecules

Density-Functional Theory of Atoms and Molecules
Author: Robert G. Parr
Publisher: Oxford University Press
Total Pages: 344
Release: 1994-05-26
Genre: Science
ISBN: 0195357736

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This book is a rigorous, unified account of the fundamental principles of the density-functional theory of the electronic structure of matter and its applications to atoms and molecules. Containing a detailed discussion of the chemical potential and its derivatives, it provides an understanding of the concepts of electronegativity, hardness and softness, and chemical reactivity. Both the Hohenberg-Kohn-Sham and the Levy-Lieb derivations of the basic theorems are presented, and extensive references to the literature are included. Two introductory chapters and several appendices provide all the background material necessary beyond a knowledge of elementary quantum theory. The book is intended for physicists, chemists, and advanced students in chemistry.


Atoms and Molecules

Atoms and Molecules
Author: Molly Aloian
Publisher: Crabtree Publishing Company
Total Pages: 30
Release: 2009
Genre: Juvenile Nonfiction
ISBN: 9780778742401

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Young readers will be amazed to learn about the tiny particles that make up everything in the world around them. Colorful illustrations and fun fact boxes will help readers understand how atoms come together to form molecules, the building blocks of everything in the universe.


Reference Data on Atoms, Molecules, and Ions

Reference Data on Atoms, Molecules, and Ions
Author: A.A. Radzig
Publisher: Springer Science & Business Media
Total Pages: 475
Release: 2012-12-06
Genre: Science
ISBN: 3642820484

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This reference book contains information about the structure and properties of atomic and molecular particles, as well as some of the nuclear parameters. It includes data which can be of use when studying atomic and molecular processes in the physics of gases, chemistry of gases and gas optics, in plasma physics and plasma chemistry, in physical chemistry and radiation chemistry, in geophysics, astrophysics, solid-state physics and a variety of cross-discipli nary fields of science and technology. Our aim was to collect carefully selected and estimated numerical values for a wide circle of microscopic parameters in a relatively "not thick" book. These values are of constant use in the work of practical investigators. In essence, the book represents a substantially revised and extended edi tion of our reference book published in Russian in 1980. Two main reasons made it necessary to rework the material. On the one hand, a great deal of new high-quality data has appeared in the past few years and furthermore we have enlisted many sources of information previously inaccessible to us. On the other hand, we have tried to insert extensive information on new, rapidly progressing branches of physical research, such as multiply charged ions, Rydberg atoms, van der Waals and excimer molecules, complex ions, etc. All this brings us to the very edge of studies being carried out in the field.