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Book
Mathematical modelling in chemistry
Author:
ISBN: 3527282920 Year: 1991 Publisher: Weinheim : VCH,

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Book
Potential energy hypersurfaces
Author:
ISBN: 0444428879 Year: 1987 Publisher: Amsterdam

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Electron, spin and momentum densities and chemical reactivity
Authors: ---
ISBN: 1280205024 9786610205028 030646943X 0792360850 Year: 2000 Publisher: Dordrecht, Netherlands ; Boston, Massachusetts : Kluwer Academic Publishers,

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Abstract

The electron density of a non-degenerate ground state system determines essentially all physical properties of the system. This statement of the Hohenberg–Kohn theorem of Density Functional Theory plays an exceptionally important role among all the fundamental relations of Molecular Physics. In particular, the electron density distribution and the dynamic properties of this density determine both the local and global reactivities of molecules. High resolution experimental electron densities are increasingly becoming available for more and more molecules, including macromolecules such as proteins. Furthermore, many of the early difficulties with the determination of electron densities in the vicinity of light nuclei have been overcome. These electron densities provide detailed information that gives important insight into the fundamentals of molecular structure and a better understanding of chemical reactions. The results of electron density analysis are used in a variety of applied fields, such as pharmaceutical drug discovery and biotechnology. If the functional form of a molecular electron density is known, then various molecular properties affecting reactivity can be determined by quantum chemical computational techniques or alternative approximate methods.


Book
Linear-Scaling Techniques in Computational Chemistry and Physics : Methods and Applications
Authors: --- --- ---
ISBN: 9048128528 9786613081971 9048128536 1283081970 Year: 2011 Publisher: Dordrecht : Springer Netherlands : Imprint: Springer,

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Computational chemistry methods have become increasingly important in recent years, as manifested by their rapidly extending applications in a large number of diverse fields. The ever-increasing size of the systems one wants to study leads to the development and application of methods, which provide satisfactory answers at a manageable computational cost. An important variety of computational techniques for large systems are represented by the linear-scaling techniques, that is, by methods where the computational cost scales linearly with the size of the system. This monograph is a collection of chapters, which report the state-of-the-art developments and applications of many important classes of linear-scaling methods. Linear-Scaling Techniques in Computational Chemistry and Physics: Methods and Applications serves as a handbook for theoreticians who are involved in the development of new and efficient computational methods as well as for scientists who use the tools of computational chemistry and physics in their research.


Digital
Linear-Scaling Techniques in Computational Chemistry and Physics : Methods and Applications
Authors: --- --- ---
ISBN: 9789048128532 Year: 2011 Publisher: Dordrecht Springer Netherlands

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Book
Linear-Scaling Techniques in Computational Chemistry and Physics : Methods and Applications
Authors: --- --- --- ---
ISBN: 9789048128532 Year: 2011 Publisher: Dordrecht Springer Netherlands Imprint Springer

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Abstract

Computational chemistry methods have become increasingly important in recent years, as manifested by their rapidly extending applications in a large number of diverse fields. The ever-increasing size of the systems one wants to study leads to the development and application of methods, which provide satisfactory answers at a manageable computational cost. An important variety of computational techniques for large systems are represented by the linear-scaling techniques, that is, by methods where the computational cost scales linearly with the size of the system. This monograph is a collection of chapters, which report the state-of-the-art developments and applications of many important classes of linear-scaling methods. Linear-Scaling Techniques in Computational Chemistry and Physics: Methods and Applications serves as a handbook for theoreticians who are involved in the development of new and efficient computational methods as well as for scientists who use the tools of computational chemistry and physics in their research

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