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ISBN: 9781680957297

Publication Date: Nov 2016

Format: Hardback

Quantum chemistry is a branch of chemistry whose primary focus is the application of quantum mechanics in physical models and experiments of chemical systems. This is an introductory text covering the origins of quantum theory, the Schrödinger wave equation, quantum mechanics of simple systems, electron spin, quantum states of atoms, the Born-Huang approximation, and much more.
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Quantum chemistry is a branch of chemistry whose primary focus is the application of quantum mechanics in physical models and experiments of chemical systems. It is also called molecular quantum mechanics. In reactions, quantum chemistry studies the ground state of individual atoms and molecules, the excited states, and the transition states that occur during chemical reactions. On the calculations: quantum chemical studies use also semi-empirical and other methods based on quantum mechanical principles, and deal with time dependent problems. Many quantum chemical studies assume the nuclei are at rest (Born–Oppenheimer approximation). Many calculations involve iterative methods that include self-consistent field methods. Major goals of quantum chemistry include increasing the accuracy of the results for small molecular systems, and increasing the size of large molecules that can be processed, which is limited by scaling considerations–the computation time increases as a power of the number of atoms. The foundation of quantum mechanics and quantum chemistry is the wave model, in which the atom is a small, dense, positively charged nucleus surrounded by electrons. The first step in solving a quantum chemical problem is usually solving the Schrödinger equation with the electronic molecular Hamiltonian. This Text is meant to be introductory and points out the underlying mathematical framework in all of physical sciences. It is a must for all areas of chemistry where atomistic level explanations are needed for understanding concepts. It covers origins of quantum theory, Schrödinger wave equation, quantum mechanics of simple systems, electron spin, quantum states of atoms, Born–Huang approximation, and much more. It shows the reader which parts of the text are needed for understanding specific aspects of the subject matter.
Pages 272
Dimensions 229 x 152
Date Published 30 Nov 2016
Publisher Delve Publishing
Subject/s Quantum & theoretical chemistry  
Levitah C. Mapatac is an Associate Professor, researcher, writer and a PhD holder from the University in Science and Technology of Southern Philippines. Her interest varies from different chemistry concepts and applications and currently doing research in traditional medicines, water waste pollution and environmental chemistry in the aspect of contamination pathways, profilling and rehabilatation of mining waste.

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