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Viac informácií o knihe Computational Chemistry: Reviews Of Current Trends, Vol. 9

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Anotácia knihy

Vast progress in the area of computational chemistry has been achieved in the last decade of the 20th century. Theoretical methods such as quantum mechanics, molecular dynamics and statistical mechanics have been successfully used to characterize chemical systems and to design new materials, drugs and chemicals. With this in mind, the contributions to this volume were collected.The contributions include predictions of the transport properties of molecular structures at the atomic level, which is of importance in solving crucial technological problems such as electromigration or temperature and statistical effects.Although currently restricted to calculation of systems containing no more than a few thousand atoms, nonempirical (ab initio) quantum chemical methods are quickly gaining popularity among researchers investigating various aspects of biological systems. The development of efficient methods for application to large molecular systems is the focus of two chapters. They include an overview of development and applications of parallel and order-N Density Functional Theory (DFT) methods and the development of new methods for calculation of electron dynamical correlation for large molecular systems.For small and medium-sized molecules, chemical accuracy of quantum chemical predictions has already been achieved in many fields of application. Among the most accurate methods are Coupled Cluster (CC) approaches, but their accuracy comes at a price -- such methodologies are among the most computationally demanding. Two chapters review approximate strategies developed to include triple excitations within the coupled cluster and the performance of the explicitly correlated CC methodbased on the so-called R 12 ansatz.The Quantum Molecular Dynamics (QMD) approach has revolutionized electronic structure calculations for molecular reactions. The last chapter of the volume provides details of QMD studies on interconversion of nitronium ions and nitric a

Parametre knihy

Zaradenie knihy Knihy po anglicky Mathematics & science Science: general issues Scientific equipment, experiments & techniques

• Celý názov: Computational Chemistry: Reviews Of Current Trends, Vol. 9
• Autor: LESZCZYNSKI JERZY
• Jazyk: Angličtina
• Väzba: Pevná
• Počet strán: 260
• EAN: 9789812381163
• ISBN: 9789812381163
• ID: 06788032
• Nakladateľ: World Scientific Publishing Co Pte Ltd
• Hmotnosť: 513 g
• Rozmery: 237 × 174 × 19 mm
• Dátum vydania: 30. July 2002

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