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Chemical bonds. --- Liaisons chimiques.

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Hydrogen bonds range from the very strong, comparable with covalent bonds, to the very weak, comparable with van der Waals forces. Most hydrogen bonds are weak attractions with a binding strength about one-tenth of that of a normal covalent bond. Nevertheless, they are very important. Without them, all wooden structures would collapse, cement would crumble, oceans would vaporize, and all living things would disintegrate into inanimate matter. An easy-to-read supplement to the often brief descriptions of hydrogen bonding found in most undergraduate chemistry and molecular biology textbooks, An Introduction to Hydrogen Bonding describes and discusses the current ideas concerning hydrogen bonding, ranging from the very strong to the very weak, with introductions to the experimental and theoretical methods involved. Ideal for courses in chemistry and biochemistry, it will also be useful for structural biology and crystallography courses. For students and researchers interested in supramolecular chemistry, biological structure and recognition, and other sophisticated concepts and methodologies, it provides a careful selection of key references from the vast hydrogen bonding literature.

fysicochemie --- Chemical bonds. Valence --- Hydrogen bonding --- Hydrogen bonding. --- Hydrogen bonds --- Chemistry, Physical and theoretical --- Molecular association

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fysicochemie --- Chemical bonds. Valence --- Molecular association. --- Molecular dynamics. --- Association moléculaire --- Dynamique moléculaire --- 544.14 --- Molecular association --- Molecular dynamics --- #WSCH:AAS2 --- Dynamics, Molecular --- Dynamics --- Chemical bonds --- Bonding, chemical --- Association moléculaire --- Dynamique moléculaire

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Symétrie (Physique). --- Groupes (Théorie des. --- Chimie --- Groupes (Théorie des). --- Symétrie (Physique). --- Groupes (Théorie des. --- Groupes (Théorie des). --- Symétrie (physique) --- Groupes, Théorie des. --- Chemical bonds. --- Group theory. --- Molécules --- Chemical structure --- Symmetry (physics)

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This book is a collection of selected papers on the Frontier Orbital Theory by Nobel prizewinner Kenichi Fukui (Chemistry 1981), with introductory notes. It provides the basic concept and formulation of the theory, and the physical and chemical significance of the frontier orbital interactions in chemistry, together with many practical applications. The formulation of the Intrinsic Reaction Coordinate and applications to some simple systems are also presented. The aim of this volume is to show by what forces chemical reactions are driven and to demonstrate how the regio- and stereo-selectivities are determined in chemical reactions. Students and senior investigators will gain insight into the nature of chemical reactions and find out how quantum chemical calculations are connected with chemical intuition.

Molecular orbitals. --- Chemical reactions. --- Physical organic chemistry. --- Chemistry, Physical organic --- Chemistry, Organic --- Chemistry, Physical and theoretical --- Reactions, Chemical --- Chemical processes --- Orbitals, Molecular --- Chemical bonds --- Electrons --- Molecules --- Overlap integral --- Quantum chemistry --- Valence (Theoretical chemistry) --- Wave mechanics