Cioslowski jerzy (47 Ergebnisse)

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Zustand: Used. pp. 281.

Zustand: Used. pp. 281.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - For the first time in the history of chemical sciences, theoretical predictions have achieved the level of reliability that allows them to - val experimental measurements in accuracy on a routine basis. Only a decade ago, such a statement would be valid only with severe qualifi- tions as high-level quantum-chemical calculations were feasible only for molecules composed of a few atoms. Improvements in both hardware performance and the level of sophistication of electronic structure me- ods have contributed equally to this impressive progress that has taken place only recently. The contemporary chemist interested in predicting thermochemical properties such as the standard enthalpy of formation has at his disposal a wide selection of theoretical approaches, differing in the range of app- cability, computational cost, and the expected accuracy. Ranging from high-level treatments of electron correlation used in conjunction with extrapolative schemes to semiempirical methods, these approaches have well-known advantages and shortcomings that determine their usefulness in studies of particular types of chemical species. The growing number of published computational schemes and their variants, testing sets, and performance statistics often makes it difficult for a scientist not well versed in the language of quantum theory to identify the method most adequate for his research needs.…

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Taschenbuch. Zustand: Neu. Quantum-Mechanical Prediction of Thermochemical Data | Jerzy Cioslowski | Taschenbuch | Understanding Chemical Reactivity | Einband - flex.(Paperback) | Englisch | 2002 | Springer | EAN 9781402004247 | Verantwortliche Person für die EU: Springer Nature Customer Service Center GmbH, Europaplatz 3, 69115 Heidelberg, productsafety[at]springernature[dot]com | Anbieter: preigu.…

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Zustand: New. pp. 272.

Zustand: New.

Zustand: New. In English.

Zustand: New. In English.

Zustand: Gut. Zustand: Gut | Seiten: 290 | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar.

Paperback. Zustand: Brand New. 272 pages. 9.34x6.30x0.67 inches. In Stock.

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Zustand: New. pp. 320.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Science advances by leaps and bounds rather than linearly in time. I t is not uncommon for a new concept or approach to generate a lot of initial interest, only to enter a quiet period of years or decades and then suddenly reemerge as the focus of new exciting investigations. This is certainly the case of the reduced density matrices (a k a N-matrices or RDMs), whose promise of a great simplification of quantum-chemical approaches faded away when the prospects of formulating the auxil iary yet essential N-representability conditions turned quite bleak. How ever, even during the period that followed this initial disappointment, the 2-matrices and their one-particle counterparts have been ubiquitous in the formalisms of modern electronic structure theory, entering the correlated-level expressions for the first-order response properties, giv ing rise to natural spinorbitals employed in the configuration interaction method and in rigorous analysis of electronic wavefunctions, and al lowing direct calculations of ionization potentials through the extended Koopmans'theorem. The recent research of Nakatsuji, Valdemoro, and Mazziotti her alds a renaissance of the concept of RDlvls that promotes them from the role of interpretive tools and auxiliary quantities to that of central variables of new electron correlation formalisms. Thanks to the economy of information offered by RDMs, these formalisms surpass the conven tional approaches in conciseness and elegance of formulation. As such, they hold the promise of opening an entirely new chapter of quantum chemistry.…

Buch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Science advances by leaps and bounds rather than linearly in time. I t is not uncommon for a new concept or approach to generate a lot of initial interest, only to enter a quiet period of years or decades and then suddenly reemerge as the focus of new exciting investigations. This is certainly the case of the reduced density matrices (a k a N-matrices or RDMs), whose promise of a great simplification of quantum-chemical approaches faded away when the prospects of formulating the auxil iary yet essential N-representability conditions turned quite bleak. How ever, even during the period that followed this initial disappointment, the 2-matrices and their one-particle counterparts have been ubiquitous in the formalisms of modern electronic structure theory, entering the correlated-level expressions for the first-order response properties, giv ing rise to natural spinorbitals employed in the configuration interaction method and in rigorous analysis of electronic wavefunctions, and al lowing direct calculations of ionization potentials through the extended Koopmans'theorem. The recent research of Nakatsuji, Valdemoro, and Mazziotti her alds a renaissance of the concept of RDlvls that promotes them from the role of interpretive tools and auxiliary quantities to that of central variables of new electron correlation formalisms. Thanks to the economy of information offered by RDMs, these formalisms surpass the conven tional approaches in conciseness and elegance of formulation. As such, they hold the promise of opening an entirely new chapter of quantum chemistry.…

Zustand: New. pp. 320.

Taschenbuch. Zustand: Neu. Many-Electron Densities and Reduced Density Matrices | Jerzy Cioslowski | Taschenbuch | Mathematical and Computational Chemistry | xiv | Englisch | 2012 | Springer | EAN 9781461368908 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.…

Zustand: As New. Unread book in perfect condition.

Zustand: Sehr gut. Zustand: Sehr gut | Seiten: 268 | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar.

Zustand: As New. Unread book in perfect condition.

Zustand: As New. Unread book in perfect condition.

orig.cloth Minor rubbing, ight page-edge soil,slight rear cover scratch,VG. Textual diagrams 24x16cm, x,281 pp Contents: Preliminaries & Historical Overview; Theoretical Tools of Fullerene Research; The C60 Fullerene; The C70 Fullerene; C76, C78, C82 & C84: The Medium-Sized Fullerenes; Large Spheroidal & Tubular Fullerenes, Graphitic Microtobules & Hypothetical Polymeric Allotropes of Carbon; Fullerenes with Fewer than 60 Carbon Atoms; Endohedral Complexes; Heterofullerenes & Fullerene Derivatives; Solid-State Properties of Fullerenes & Their Derivatives; Conclusions & Future Directions. Minor rubbing, ight page-edge soil,slight rear cover scratch,VG.…

Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -For the first time in the history of chemical sciences, theoretical predictions have achieved the level of reliability that allows them to - val experimental measurements in accuracy on a routine basis. Only a decade ago, such a statement would be valid only with severe qualifi- tions as high-level quantum-chemical calculations were feasible only for molecules composed of a few atoms. Improvements in both hardware performance and the level of sophistication of electronic structure me- ods have contributed equally to this impressive progress that has taken place only recently. The contemporary chemist interested in predicting thermochemical properties such as the standard enthalpy of formation has at his disposal a wide selection of theoretical approaches, differing in the range of app- cability, computational cost, and the expected accuracy. Ranging from high-level treatments of electron correlation used in conjunction with extrapolative schemes to semiempirical methods, these approaches have well-known advantages and shortcomings that determine their usefulness in studies of particular types of chemical species. The growing number of published computational schemes and their variants, testing sets, and performance statistics often makes it difficult for a scientist not well versed in the language of quantum theory to identify the method most adequate for his research needs. 272 pp. Englisch. …