Umfang:
1 Online-Ressource (xx, 596 Seiten)
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Illustrationen, Diagramme
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25 cm
Ausgabe:
Second Edition
Ausgabe:
Online-Ausg. Electronic reproduction; Available via World Wide Web
ISBN:
9780470091838
Inhalt:
Essentials of Computational Chemistry provides a balanced introduction to this dynamic subject. Suitable for both experimentalists and theorists, a wide range of samples and applications are included drawn from all key areas. The book carefully leads the reader thorough the necessary equations providing information explanations and reasoning where necessary and firmly placing each equation in context
Anmerkung:
Includes bibliographical references and index
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Essentials of Computational Chemistry Second Edition; Contents; Preface to the First Edition; Preface to the Second Edition; Acknowledgments; 1 What are Theory, Computation, and Modeling?; 1.1 Definition of Terms; 1.2 Quantum Mechanics; 1.3 Computable Quantities; 1.3.1 Structure; 1.3.2 Potential Energy Surfaces; 1.3.3 Chemical Properties; 1.4 Cost and Efficiency; 1.4.1 Intrinsic Value; 1.4.2 Hardware and Software; 1.4.3 Algorithms; 1.5 Note on Units; Bibliography and Suggested Additional Reading; References; 2 Molecular Mechanics; 2.1 History and Fundamental Assumptions
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2.2 Potential Energy Functional Forms2.2.1 Bond Stretching; 2.2.2 Valence Angle Bending; 2.2.3 Torsions; 2.2.4 van der Waals Interactions; 2.2.5 Electrostatic Interactions; 2.2.6 Cross Terms and Additional Non-bonded Terms; 2.2.7 Parameterization Strategies; 2.3 Force-field Energies and Thermodynamics; 2.4 Geometry Optimization; 2.4.1 Optimization Algorithms; 2.4.2 Optimization Aspects Specific to Force Fields; 2.5 Menagerie of Modern Force Fields; 2.5.1 Available Force Fields; 2.5.2 Validation; 2.6 Force Fields and Docking; 2.7 Case Study: (2R*,4S*)-1-Hydroxy-2,4-dimethylhex-5-ene
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Bibliography and Suggested Additional ReadingReferences; 3 Simulations of Molecular Ensembles; 3.1 Relationship Between MM Optima and Real Systems; 3.2 Phase Space and Trajectories; 3.2.1 Properties as Ensemble Averages; 3.2.2 Properties as Time Averages of Trajectories; 3.3 Molecular Dynamics; 3.3.1 Harmonic Oscillator Trajectories; 3.3.2 Non-analytical Systems; 3.3.3 Practical Issues in Propagation; 3.3.4 Stochastic Dynamics; 3.4 Monte Carlo; 3.4.1 Manipulation of Phase-space Integrals; 3.4.2 Metropolis Sampling; 3.5 Ensemble and Dynamical Property Examples; 3.6 Key Details in Formalism
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3.6.1 Cutoffs and Boundary Conditions3.6.2 Polarization; 3.6.3 Control of System Variables; 3.6.4 Simulation Convergence; 3.6.5 The Multiple Minima Problem; 3.7 Force Field Performance in Simulations; 3.8 Case Study: Silica Sodalite; Bibliography and Suggested Additional Reading; References; 4 Foundations of Molecular Orbital Theory; 4.1 Quantum Mechanics and the Wave Function; 4.2 The Hamiltonian Operator; 4.2.1 General Features; 4.2.2 The Variational Principle; 4.2.3 The Born-Oppenheimer Approximation; 4.3 Construction of Trial Wave Functions; 4.3.1 The LCAO Basis Set Approach
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4.3.2 The Secular Equation4.4 Hückel Theory; 4.4.1 Fundamental Principles; 4.4.2 Application to the Allyl System; 4.5 Many-electron Wave Functions; 4.5.1 Hartree-product Wave Functions; 4.5.2 The Hartree Hamiltonian; 4.5.3 Electron Spin and Antisymmetry; 4.5.4 Slater Determinants; 4.5.5 The Hartree-Fock Self-consistent Field Method; Bibliography and Suggested Additional Reading; References; 5 Semiempirical Implementations of Molecular Orbital Theory; 5.1 Semiempirical Philosophy; 5.1.1 Chemically Virtuous Approximations; 5.1.2 Analytic Derivatives; 5.2 Extended Hückel Theory
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5.3 CNDO Formalism
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Electronic reproduction; Available via World Wide Web
Weitere Ausg.:
ISBN 0470091827
Weitere Ausg.:
ISBN 0470091819
Weitere Ausg.:
Print version Essentials of Computational Chemistry : Theories and Models
Weitere Ausg.:
Erscheint auch als Druck-Ausgabe Cramer, Christopher J., 1961 - Essentials of computational chemistry Chichester : John Wiley & Sons, Ltd, 2004 ISBN 0470091819
Weitere Ausg.:
ISBN 0470091827
Weitere Ausg.:
ISBN 9780470091814
Weitere Ausg.:
ISBN 9780470091821
Sprache:
Englisch
Fachgebiete:
Chemie/Pharmazie
Schlagwort(e):
Computational chemistry
Mehr zum Autor:
Cramer, Christopher J. 1961-
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