Atomic Structure And Chemical Bond

The aim of this book is to give a simple, short, and elementary introduction to the second quantized formalism as applied to a many-electron system. It is intended for those, mainly chemists, who are familiar with traditional quantum chemistry but have not yet become acquainted with second quantization. The treatment is, in part, based on a series of seminars held by the author on the subject. It has been realized that many quantum chemists either interested in theory or in applications, being educated as chemi~ts and not as physicists, have never devoted themselves to taking a course on the second quantized approach. Most available textbooks on this topic are not very easy to follow for those who are not trained in theory, or they are not detailed enough to offer a comprehensive treatment. At the same time there are several papers in quantum chemical literature which take advantage of using second quantization, and it would be worthwhile if those papers were accessible for a wider reading public. For this reason, it is intended in this survey to review the basic formalism of second quantization, and to treat some selected chapters of quantum chemistry in this language. Most derivations will be carried out in a detailed manner, so the reader need not accept gaps to understand the result.

This profusely illustrated book, by a world-renowned chemist and award-winning chemistry teacher, provides science students with an introduction to atomic and molecular structure and bonding. (This is a reprint of a book first published by Benjamin/Cummings, 1973.)

Structure and Bonding covers introductory atomic and molecular theory as given in first and second year undergraduate courses at university level. This book explains in non-mathematical terms where possible, the factors that govern covalent bond formation, the lengths and strengths of bonds and molecular shapes. Throughout the book, theoretical concepts and experimental evidence are integrated. An introductory chapter summarizes the principles on which the Periodic Table is established, and describes the periodicity of various atomic properties which are relevant to chemical bonding. Symmetry and group theory are introduced to serve as the basis of all molecular orbital treatments of molecules. This basis is then applied to a variety of covalent molecules with discussions of bond lengths and angles and hence molecular shapes. Extensive comparisons of valence bond theory and VSEPR theory with molecular orbital theory are included. Metallic bonding is related to electrical conduction and semi-conduction. The energetics of ionic bond formation and the transition from ionic to covalent bonding is also covered. Ideal for the needs of undergraduate chemistry students, Tutorial Chemistry Texts is a major series consisting of short, single topic or modular texts concentrating on the fundamental areas of chemistry taught in undergraduate science courses. Each book provides a concise account of the basic principles underlying a given subject, embodying an independent-learning philosophy and including worked examples.

An Introduction to Spectroscopy presents the most fundamental concepts of inorganic chemistry at a level appropriate for first year students and in a manner comprehensible to them. This is true even of 'difficult' topics such as the wave mechanical atom, symmetry elements and symmetry operations, and the ligand group orbital approach to bonding, The book contains many useful diagrams illustrating (among other things) the angular dependence of atomic wave functions the derivation of energy level diagrams for polyatomic molecules; close packed lattices and ionic crystal structures. The diagrams of the periodic variation of atomic and molecular properties, showing trends across periods and down groups simultaneously, are especially instructive. Spectroscopy is presented mainly as a tool for the elucidation of atomic and molecular structures. Each chapter begins with a clear and concise statement of "What Every First-year Student Should Know About . . ." outlining the background knowledge that the student is assumed to have from previous courses and thus pointing out what topics might need to be reviewed. There are also detailed statements of the objectives of each chapter, a number of worked examples interspersed in the text, and a comprehensive set of problems and exercises to test the student's understanding. Tables of data throughout the text and appendices at the end provide much valuable information.

MOLECULES AND THE CHEMICAL BOND Chemistry Simplified This highly original book by a famous chemistry teacher about general chemistry in a new key may change how teachers teach - - Atomic Theory - The Mole Concept and Avogadro's Constant - The Gas Laws - Solving Problems in Chemical Stoichiometry - The Saturation and Directional Character of Chemical Affinity - The Pauli Exclusion Principle - Linnett's Double Spin Set Theory - Pauling's Rules of Crystal Chemistry - The Octet Rule - Lewis Structures for O2, NO, CO, SO2 and SO3 - Construction of Bond Diagrams - VSEPR Theory - Dative Bonding - Multicenter Bonding - Bonding in Metals - pH Calculations - The Periodic Table - The Energy Function and the First Law of Thermodynamics - The Entropy Function and the Second Law of Thermodynamics - How an Inductive Science Advances