Computations in Treating Fullerenes and Carbon Aggregates / Christian Ochsenfeld ; Patrice Koehl1: |
Peptide Mimetic Design with the Aid of Computational Chemistry |
Pseudopotential Calculations of Transitions Metals Compounds-Scope and Limitation / R. Judson ; M. Murcko ; M. Francl ; Geoff M. Downs |
Free Energy by Molecular Simulation |
Effective Core Potential Approaches to the Chemistry of the Heavier Elements / Sason Shaik ; Roberto Dovesi ; Jorg Kussmann |
The Application of Molecular Modeling Techniques to the Determination of Oligosaccaride Solution Conformations |
Genetic Algorithms and Their Use in Chemistry |
Recent Advances in Ligand Design Methods |
Protein Structure Classification / L. Chirlian ; John M. Barnard |
Relativistic Effects in Chemistry |
Molecular Mechanics Calculated Conformational Energies of Organic Molecules |
The Ab Initio Computation of Nuclear Magnetic Resonance Chemical Shielding / E. Martin, et al. ; D. Clark, et al. ; Philippe C. Hiberty ; Bartolomeo Civalleri ; Daniel S. Lambrecht |
A Comparison of Force Fields |
The Pluses and Minuses of Mapping Atomic Charges to Electrostatic Potentials |
Clustering Methods and Their Uses in Computational Chemistry |
Introduction |
Indexes |
Molecular Shape Descriptors |
Does Combinatorial Chemistry Obviate Computer-Aided Drug Design? |
Current Issues in De Novo Molecular Design |
Valence Bond Theory, Its History, Fundamentals, and Applications: A Primer / T. Crawford ; Hans-Joachim Bouml;hm |
Classification and Biology / Roberto Orlando |
The Biomolecular Revolution / R. Topper ; T. Oprea |
Linear-Scaling Methods in Quantum Chemistry |
A Story of Valence Bond Theory, Its Rivalry with Molecular Orbital Theory, Its Demise, and Eventual Resurgence / H. Schaefer ; Martin Stahl |
Basic Principles of Protein Structure / Carla Roetti |
Visualizing Molecular Phase Space: Nonstatistical Effects in Reaction Dynamics |
Roots of VB Theory / C. Waller |
Visualization |
An Introduction to Coupled Cluster Theory for Computational Chemists / R. Larter |
The Use of Scoring Functions in Drug Discovery Applications |
Origins of MO Theory and the Roots of VB-MO Rivalry |
Protein Building Blocks / Victor R. Saunders |
Theoretical and Practical Aspects of Three-Dimensional Quantitative Structure-Activity Relationships |
The ''Dance'' of Two Theories: One Is Up, the Other Is Down / B. van de Graaf, et al. ; Steven W. Rick |
Protein Structure Hierarchy |
Some Basics of SCF Theory |
Are the Failures of VB Theory Real Ones? / K. Showalter ; G. Greco, et al. |
Ab Initio Quantum Simulation in Solid State Chemistry 1 |
Three Types of Proteins |
Introduction to Zeolite Modeling |
Modern VB Theory: VB Theory Is Coming of Age / Steven J. Stuart |
Geometry of Globular Proteins / 2: |
Direct SCF Methods and Two-Electron Integral Screening |
Computational Studies in Nonlinear Dynamics |
Approaches to Three-Dimensional Quantitative Structure-Activity Relationships |
Basic VB Theory / S. Price |
Protein Domains / Patrick Bultinck |
Potentials and Algorithms for Incorporating Polarizability in Computer Simulations / S. Smith ; P. Carrupt, et al. |
Writing and Representing VB Wave Functions |
Resources on Protein Structures |
Schwarz Integral Estimates |
Towards More Accurate Model Intermolecular Potentials for Organic Molecules |
The Relationship between MO and VB Wave Functions / Dmitry V. Matyushov |
Protein Structure Comparison / Xavier Girones |
Computational Approaches to Lipophilicity: Methods and Applications / B. Sutcliffe |
Formalism Using the Exact Hamiltonian / C. Mundy, et al. |
Automatic Identification of Protein Structural Domains |
Multipole-Based Integral Estimates (MBIE) |
Qualitative VB Theory / G. Ravishanker, et al. ; Gregory A. Voth |
The Rigid-Body Transformation Problem / Ramon Carbo-Dorca |
The Development of Computational Chemistry in the United Kingdom |
Nonequilibrium Molecular Dynamics |
Some Simple Formulas for Elementary Interactions |
Protein Structure Superposition |
Calculation of Integrals via Multipole Expansion |
Treatment of Counterions in Computer Simulations of DNA |
New Developments in the Theoretical Description of Charge-Transfer Reactions in Condensed Phases / D. Boyd |
Insights of Qualitative VB Theory |
Molecular Quantum Similarity: Theory and Applications |
cRMS: An Ambiguous Measure of Similarity |
Appendix |
Are the ''Failures'' of VB Theory Real? / George R. Famini |
Differential Geometry and Protein Structure Comparison / 3: |
A First Example |
Can VB Theory Bring New Insight into Chemical Bonding? / K. Lipkowitz |
Upcoming Challenges for Protein Structure Comparison / Jean-Loup Faulon |
VB Diagrams for Chemical Reactivity / Leland Y. Wilson |
Derivation of the Multipole Expansion |
History of the Gordon Research Conferences on Computational Chemistry |
VBSCD: A General Model for Electronic Delocalization and Its Comparison with the Pseudo-Jahn-Teller Model |
The Structure Classification of Proteins (SCOP) / Donald P. Visco, Jr. |
Linear Free Energy Relationships Using Quantum Mechanical Descriptors |
What Is the Driving Force, s or p, Responsible for the D6h Geometry of Benzene? |
The CATH Classification |
The Fast Multipole Method: Breaking the Quadratic Wall |
VBSCD: The Twin-State Concept and Its Link to Photochemical Reactivity / Sigrid D. Peyerimhoff |
The DALI Domain Dictionary (DDD) / Diana Roe |
The Spin Hamiltonian VB Theory |
Comparing SCOP, CATH, and DDD |
Fast Multipole Methods for Continuous Charge Distributions |
The Development of Computational Chemistry in Germany |
Theory |
Enumerating Molecules |
Conclusions |
Applications |
Acknowledgments / 4: |
Other Approaches |
Ab Initio VB Methods / Donald B. Boyd |
Orbital-Optimized Single-Configuration Methods / David J. Livingstone |
References |
Exchange-Type Contractions |
Orbital-Optimized Multiconfiguration VB Methods / Kenny B. Lipkowitz |
Prospective / David W. Salt |
The Exchange-Correlation Matrix of KS-DFT / Emilio Xavier Esposito |
Examination of the Employment Environment for Computational Chemistry |
Variable Selection-Spoilt for Choice? |
Author Index |
Avoiding the Diagonalization Step-Density Matrix-Based SCF / Dror TobiA.1: |
Subject Index |
Expansion of MO Determinants in Terms of AO Determinants |
General Remarks / Nathan A. Baker ; Jeffry D. MaduraA.2: |
Guidelines for VB Mixing |
Biomolecular Applications of Poisson-Boltzmann Methods |
Comparative Protein Modeling / A.3: |
Tensor Formalism |
Computing Mono-Determinantal VB Wave Functions with Standard Ab Initio Programs |
Anatomy of a Comparative Model / Baltazar D. Aguda |
Properties of the One-Particle Density Matrix |
Searching for Related Sequences and Structures / Georghe CraciunStep 1: |
Density Matrix-Based Energy Functional |
Expert Protein Analysis System (ExPASy) / Nikita Matsunaga ; Rengul Cetin-Atalay |
BLAST and PSI-BLAST |
"Curvy Steps" in Energy Minimization |
Data Sources and Computational Approaches for Generating Models of Gene Regulatory Networks / Shiro Koseki |
Protein Data Bank (PDB) |
Sequence Alignment and Modeling System with Hidden Markov Models |
Density Matrix-Based Quadratically Convergent SCF (D-QCSCF) |
Modeling of Spin-Forbidden Reactions |
Index Subject |
Threading |
Overview of Reactions Requiring Two States |
Threader |
Implications for Linear-Scaling Calculation of SCF Energies |
Spin-Forbidden Reaction, Intersystem Crossing |
Example: Finding Related Sequences and 3-D Structures |
Spin-Orbit Coupling as a Mechanism for Spin-Forbidden Reaction |
SCF Energy Gradients / Step 2: |
General Considerations |
Sequence Alignment |
Atomic Spin-Orbit Coupling |
Preparing the Sequences |
Molecular Response Properties at the SCF Level |
Molecular Spin-Orbit Coupling |
Alignment Basics |
Crossing Probability |
Similarity Matrices |
Vibrational Frequencies |
Fermi Golden Rule |
Clustal |
Landau-Zener Semiclassical Approximation |
Tree-Based Consistency Objective Function for Alignment Evaluation (T-Coffee) |
NMR Chemical Shieldings |
Methodologies for Obtaining Spin-Orbit Matrix Elements |
Divide-and-Conquer Alignment (DCA) |
Electron Spin in Nonrelativistic Quantum Mechanics |
Example: Aligning Sequences |
Density Matrix-Based Coupled Perturbed SCF (D-CPSCF) |
Klein-Gordon Equation |
Dirac Equation / Step 3: |
Selecting Templates and Improving Alignments |
Outlook on Electron Correlation Methods for Large Systems |
Foldy-Wouthuysen Transformation |
Selecting Templates |
Breit-Pauli Hamiltonian |
Improving Sequence Alignments With Primary and Secondary Structure Analysis |
Long-Range Behavior of Correlation Effects |
Z eff Method |
Example: Aligning the Target to the Selected Template |
Effective Core Potential-Based Method |
Rigorous Selection of Transformed Products via Multipole-Based Integral Estimates (MBIE) / Step 4: |
Model Core Potential-Based Method |
Constructing Protein Models |
Douglas-Kroll Transformation |
Satisfaction of Spatial Restraints |
Implications |
Potential Energy Surfaces |
Segment Match Modeling |
Minimum Energy Crossing-Point Location |
Multiple Template Method |
Available Programs for Modeling Spin-Forbidden Reactions |
3D-Jigsaw |
Applications to Spin-Forbidden Reactions |
Overall Protein Model Construction Methods |
Diatomic Molecules |
Example: Constructing a Protein Model |
Polyatomic Molecules |
Phenyl Cation / Spiridoula MatsikaStep 5: |
Refinement of Protein Models |
Norborene |
Side-Chains with Rotamer Library (SCWRL) |
Conjugated Polymers |
Energy Minimization |
Conical Intersections in Molecular Systems |
CH( 2 II) + N2 -- HCN + N( 4 S) |
Molecular Dynamics |
Blast and PSI-Blast |
Molecular Properties |
Molecular Dynamics with Simulated Annealing |
Dynamical Aspects |
Other Reactions / Step 6: |
Evaluating Protein Models |
General Theory |
Biological Chemistry |
Procheck |
Concluding Remarks |
Verify3D |
The Born-Oppenhemier Approximation and its Breakdown: Nonadiabatic Processes |
Errat |
Protein Structure Analysis (ProSa) |
Adiabatic-Diabatic Representation |
Protein Volume Evaluation (PROVE) |
Model Clustering Analysis / Stefan Grimme |
The Noncrossing Rule |
Example: Evaluation of Protein Models |
Calculation of the Electronic Spectra of Large Molecules |
The Geometric Phase Effect |
Types of Electronic Spectra |
Conical Intersections and Symmetry |
Types of Excited States |
The Branching Plane / Joan-Emma Shea |
Excitation Energies |
Transition Moments / Miriam R. Friedel |
Characterizing Conical Intersections: Topography |
Vibrational Structure |
Quantum Chemical Methods / Andrij Baumketner |
Derivative Coupling |
Case Studies |
Simulations of Protein Folding |
Vertical Absorption Spectra |
Electronic Structure Methods for Excited States |
Circular Dichroism |
Theoretical Framework |
Energy Landscape Theory |
Multiconfiguration Self-Consistent Field (MCSCF) |
Summary and Outlook |
Thermodynamics and Kinetics of Folding: Two-State and Multistate Folders |
Protein Models |
Multireference Configuration Interaction (MRCI) |
Introduction and General Simulation Techniques |
Coarse-Grained Protein Models |
Complete Active Space Second-Order Perturbation Theory (CASPT2) |
Fully Atomic Simulations / Raymond Kapral |
Advanced Topics: The Transition State Ensemble for Folding |
Single Reference Methods |
Simulating Chemical Waves and Patterns |
Transition State and Two-State Kinetics |
Methods for Identifying the TSE |
Choosing Electronic Structure Methods for Conical Intersections |
Reaction-Diffusion Systems |
Conclusions and Future Directions |
Cellular Automata |
Locating Conical Intersections |
Coupled Map Lattices |
Mesoscopic Models |
Dynamics |
Summary |
Conical Intersections in Biologically Relevant Systems / Marco Saraniti ; Shela Aboud ; Costel Sa?rbu |
Beyond the Double Cone / Robert Eisenberg ; Horia F. Pop |
The Simulation of Ionic Charge Transport in Biological Ion Channels: An Introduction to Numerical Methods |
Fuzzy Soft-Computing Methods and Their Applicationsin Chemistry |
Three-State Conical Intersections |
System Components |
Methods for Exploratory Data Analysis |
Time and Space Scale |
Spin-Orbit Coupling and Conical Intersections |
Visualization of High-Dimensional Data |
Experiments |
Clustering Methods |
Electrostatics |
Projection |
Long-Range Interaction |
Short-Range Interaction |
Boundary Conditions |
Particle-Based Simulation |
Implicit Solvent: Brownian Dynamics |
Explicit Solvent: Molecular Dynamics |
Flux-Based Simulation / Antonio Fernandez-Ramos |
Nernst-Planck Eq" |
Variational Transition State Theory with Multidimensional Tunneling / Benjamin A. Ellingson ; Bruce C. Garrett ; Donald G. Truhlar |
Variational Transition State Theory for Gas-Phase Reactions |
Conventional Transition State Theory |
Canonical Variational Transition State Theory |
Other Variational Transition State Theories |
Quantum Effects on the Reaction Coordinate |
Practical Methods for Quantized VTST Calculations |
The Reaction Path |
Evaluation of Partition Functions |
Harmonic and Anharmonic Vibrational Energy Levels |
Calculations of Generalized Transition State Number of States |
Quantum Effects on Reaction Coordinate Motion |
Multidimensional Tunneling Corrections Based on the Adiabatic Approximation |
Large Curvature Transmission Coefficient |
The Microcanonically Optimized Transmission Coefficient |
Building the PES from Electronic Structure Calculation |
Direct Dynamics with Specific Reaction Parameters |
Interpolated VTST |
Dual-Level Dynamics |
Reactions in Liquids |
Ensemble-Averaged Variational Transition State Theory |
Gas-Phase Example: H + CH[subscript 4] |
Liquid-Phase Example: Menshutkin Reaction |
Coarse-Grain Modeling of Polymers / Roland Faller |
Defining the System |
Choice of Model |
Interaction Sites on the Coarse-Grained Scale |
Static Mapping |
Single-Chain Distribution Potentials |
Simplex |
Iterative Structural Coarse-Graining |
Mapping Onto Simple Models |
Dynamic Mapping |
Mapping by Chain Diffusion |
Mapping through Local Correlation Times |
Direct Mapping of the Lennard-Jones Time |
Coarse-Grained Monte Carlo Simulations |
Reverse Mapping |
A Look Beyond Polymers |
Nernst-Planck Equation |
The Poisson-Nernst-Planck (NP) Method |
Hierarchical Simulation Schemes / Jeffrey W. Godden |
Future Directions and Concluding Remarks / Jurgen Bajorath |
Analysis of Chemical Information Content Using Shannon Entropy |
Shannon Entropy Concept / C. Matthew Sundling ; Nagamani Sukumar |
Descriptor Comparison / Hongmei Zhang |
Influence of Boundary Effects / Mark J. Embrechts |
Extension or SE Analysis for Profiling of Chemical Libraries / Curt M. Breneman |
Information Content of Organic Molecules |
Wavelets in Chemistry and Chemoinformatics |
Shannon Entropy in Quantum Mechanics, Molecular Dynamics, and Modeling |
Preface |
Examples of SE and DSE Analysis |
Introduction to Wavelets |
Fourier Transform |
Continuous Fourier Transform |
Short-Time Fourier Transformation / Ovidiu Ivanciuc |
Wavelet Transform |
Applications of Support Vector Machines in Chemistry |
Continuous Wavelet Transform |
Discrete Wavelet Transform |
A Nonmathematical Introduction to SVM |
Wavelet Packet Transform |
Pattern Classification |
Wavelets vs. Fourier Transforms: A Summary |
The Vapnik-Chervonenkis Dimension |
Application of Wavelets in Chemistry |
Pattern Classification with Linear Support Vector Machines |
Smoothing and Denoising |
SVM Classification for Linearly Separable Data |
Signal Feature Isolation |
Linear SVM for the Classification of Linearly Non-Separable Data |
Signal Compression |
Nonlinear Support Vector Machines |
Quantum Chemistry |
Mapping Patterns to a Feature Space |
Classification, Regression, and QSAR/QSPR |
Feature Functions and Kernels |
Kernel Functions for SVM |
Hard Margin Nonlinear SVM Classification |
Soft Margin Nonlinear SVM Classification |
v-SVM Classification |
Weighted SVM for Imbalanced Classification |
Multi-class SVM Classification |
SVM Regression |
Optimizing the SVM Model |
Descriptor Selection |
Support Vectors Selection |
Jury SVM |
Kernels for Biosequences |
Kernels for Molecular Structures |
Practical Aspects of SVM Classification |
Predicting the Mechanism of Action for Polar and Nonpolar Narcotic Compounds |
Predicting the Mechanism of Action for Narcotic and Reactive Compounds |
Predicting the Mechanism of Action from Hydrophobicity and Experimental Toxicity |
Classifying the Carcinogenic Activity of Polycyclic Aromatic Hydrocarbons |
Structure-Odor Relationships for Pyrazines |
Practical Aspects of SVM Regression |
SVM Regression QSAR for the Phenol Toxicity to Tetrahymena pyriformis |
SVM Regression QSAR for Benzodiazepine Receptor Ligands |
SVM Regression QSAR for the Toxicity of Aromatic Compounds to Chlorella vulgaris |
SVM Regression QSAR for Bioconcentration Factors |
Review of SVM Applications in Chemistry |
Recognition of Chemical Classes and Drug Design |
QSAR |
Genotoxicity of Chemical Compounds |
Chemometrics |
Sensors |
Chemical Engineering |
Text Mining for Scientific Information |
SVM Resources on the Web |
SVM Software |
How Computational Chemistry Became Important in the Pharmaceutical Industry / 7: |
Germination: The 1960s |
Gaining a Foothold: The 1970s |
Growth: The 1980s |
Gems Discovered: The 1990s |
Final Observations |
Determining the Glass Transition in Polymer Melts / Wolfgang Paul |
Phenomenology of the Glass Transition |
Model Building |
Chemically Realistic Modeling |
Coarse-Grained Models |
Coarse-Grained Models of the Bead-Spring Type |
The Bond-Fluctuation Lattice Model |
Simulation Methods |
Monte Carlo Methods |
Molecular Dynamics Method |
Thermodynamic Properties |
Dynamics in Super-Cooled Polymer Melts |
Dynamics in the Bead-Spring Model |
Dynamics in 1,4-Polybutadiene |
Dynamic Heterogeneity |
Atomistic Modeling of Friction / Nicholas J. Mosey ; Martin H. Muser |
Theoretical Background |
Friction Mechanisms |
Load-Dependence of Friction |
Velocity-Dependence of Friction |
Role of Interfacial Symmetry |
Computational Aspects |
Surface Roughness |
Imposing Load and Shear |
Imposing Constant Temperature |
Bulk Systems |
Computational Models |
Selected Case Studies |
Instabilities, Hysteresis, and Energy Dissipation |
The Role of Atomic-Scale Roughness |
Superlubricity |
Self-Assembled Monolayers |
Tribochemistry |
Computing Free Volume, Structural Order, and Entropy of Liquids and Glasses / Jeetain Mittal ; William P. Krekelberg ; Jeffrey R. Errington ; Thomas M. Truskett |
Metrics for Structural Order |
Crystal-Independent Structural Order Metrics |
Structural Ordering Maps |
Free Volume |
Identifying Cavities and Computing Their Volumes |
Computing Free Volumes |
Computing Thermodynamics from Free Volumes |
Relating Dynamics to Free Volumes |
Entropy |
Testing the Adam-Gibbs Relationship |
An Alternative to Adam-Gibbs? |
The Reactivity of Energetic Materials at Extreme Conditions / Laurence E. Fried |
Chemical Equilibrium |
Atomistic Modeling of Condensed-Phase Reactions |
First Principles Simulations of High Explosives |
Magnetic Properties of Atomic Clusters of the Transition Elements / Julio A. Alonso |
Basic Concepts |
Experimental Studies of the Dependence of the Magnetic Moments with Cluster Size |
Simple Explanation of the Decay of the Magnetic Moments with Cluster Size |
Tight Binding Method |
Tight Binding Approximation for the d Electrons |
Introduction of s and p Electrons |
Formulation of the Tight Binding Method in the Notation of Second Quantization |
Spin-Density Functional Theory |
General Density Functional Theory |
Spin Polarization in Density Functional Theory |
Local Spin-Density Approximation (LSDA) |
Noncollinear Spin Density Functional Theory |
Measurement and Interpretation of the Magnetic Moments of Nickel Clusters |
Interpretation Using Tight Binding Calculations |
Influence of the s Electrons |
Density Functional Calculations for Small Nickel Clusters |
Orbital Polarization |
Clusters of Other 3d Elements |
Chromium and Iron Clusters |
Manganese Clusters |
Clusters of the 4d Elements |
Rhodium Clusters |
Ruthenium and Palladium Clusters |
Effect of Adsorbed Molecules |
Determination of Magnetic Moments by Combining Theory and Photodetachment Spectroscopy |
Summary and Prospects |
Calculation of the Density of Electronic States within the Tight Binding Theory by the Method of Moments / Appendix: |
Transition Metal- and Actinide-Containing Systems Studied with Multiconfigurational Quantum Chemical Methods / Laura Gagliardi |
The Multiconfigurational Approach |
The Complete Active Space SCF Method |
Multiconfigurational Second-Order Perturbation Theory, CASPT2 |
Treatment of Relativity |
Relativistic AO Basis Sets |
The Multiple Metal-Metal Bond in [Characters not reproducible] and Related Systems |
The Cr-Cr Multiple Bond |
Cu[subscript 2]O[subscript 2] Theoretical Models |
Spectroscopy of Triatomic Molecules Containing One Uranium Atom |
Actinide Chemistry in Solution |
The Actinide-Actinide Chemical Bond |
Inorganic Chemistry of Diuranium |
Recursive Solutions to Large Eigenproblems in Molecular Spectroscopy and Reaction Dynamics / Hua Guo |
Quantum Mechanics and Eigenproblems |
Discretization |
Direct Diagonalization |
Scaling Laws and Motivation for Recursive Diagonalization |
Recursion and the Krylov Subspace |
Lanczos Recursion |
Exact Arithmetic |
Finite-Precision Arithmetic |
Extensions of the Original Lanczos Algorithm |
Transition Amplitudes |
Expectation Values |
Chebyshev Recursion |
Chebyshev Operator and Cosine Propagator |
Spectral Method |
Filter-Diagonalization |
Filter-Diagonalization Based on Chebyshev Recursion |
Low-Storage Filter-Diagonalization |
Filter-Diagonalization Based on Lanczos Recursion |
Bound States and Spectroscopy |
Reaction Dynamics |
Lanczos vs. Chebyshev |
Development and Uses of Artificial Intelligence in Chemistry / Hugh Cartwright8: |
Evolutionary Algorithms |
Principles of Genetic Algorithms |
Genetic Algorithm Implementation |
Why Does the Genetic Algorithm Work? |
Where Is the Learning in the Genetic Algorithm? |
What Can the Genetic Algorithm Do? |
What Can Go Wrong with the Genetic Algorithm? |
Neural Networks |
Neural Network Principles |
Neural Network Implementation |
Why Does the Neural Network Work? |
What Can We Do with Neural Networks? |
What Can Go Wrong? |
Self-Organizing Maps |
Where Is The Learning? |
Some Applications of SOMs |
Expert Systems |
Conclusion |
Computer-Aided Molecular Diversity Analysis and Combinatorial Library Design / Richard A. Lewis ; Stephen D. Pickett ; David E. Clark1.: |
Molecular Recognition: Similarity and Diversity |
Describing Diversity Space |
Types of Descriptor |
Choosing Appropriate Descriptors |
Validation of Descriptors |
Diversity Analysis |
Combinatorial Library Design |
Diversity Is Not the Be-All and End-All! |
Current Issues and Future Directions |
Diversity Descriptors |
Library Design |
Speed Requirement |
"Quick and Dirty" QSAR |
Integration with Other Modeling Tools |
Persuading the Customers |
Artificial Neural Networks and Their Use in Chemistry / Keith L. Peterson2.: |
Overview and Goals |
What Are Artificial Neural Networks? |
Analogy with the Brain |
Artificial Neural Networks |
Summary of Neural Network Operation |
Brief History of Neural Networks |
What Can Neural Networks Be Used for and When Should You Use Them? |
Classification |
Modeling |
Mapping and Associations |
General Comments on ANNs, Statistics, and Artificial Intelligence |
Processing Elements |
Summation Functions |
Transfer Functions |
Output Functions |
Error Functions |
Learning Rules |
Collections of Processing Elements |
Different Types of Artificial Neural Network |
Adaptive Resonance Theory (ART) Networks |
Backpropagation (BP) and Related Networks |
Biassociative Memory (BAM) Networks |
Counterpropagation Networks |
Generalized Regression Networks (GRN) |
Hopfield Networks |
Kohonen Self-Organizing Map (SOM) Networks |
Perceptron Networks |
Radial Basis Function (RBF) Networks |
Recirculation Networks |
Miscellaneous Networks |
Practical Considerations in Solving Problems with Neural Networks |
What Type of Network? |
Data Preprocessing |
Variable Selection, Reduction, and Orthogonalization |
Training and Testing Sets |
Training the Network |
Learning Versus Generalization |
Performance Metrics |
Classification Problems |
Nonclassification, Supervised Learning Problems |
Miscellaneous Remarks |
Analysis of Neural Networks |
Neural Network Software |
Use of Force Fields in Materials Modeling / Jorg-Rudiger Hill ; Clive M. Freeman ; Lalitha Subramanian3.: |
The Force Field Approach to Describing Structures of Materials |
What Are Force Fields? |
Ion Pair and Shell Model Potentials |
Molecular Mechanics Force Fields |
Comparison of Ion Pair and Molecular Mechanics Force Fields |
Force Field Parameterization |
Ab Initio Based Force Fields |
Empirical Force Fields |
Transferability |
Rule-Based Force Fields |
Application of Force Fields in Materials Science |
Metal Oxides and Ceramics |
Superconductors |
Zeolites and Related Microporous Materials |
Glasses |
Polymers |
Free Energy Calculations: Use and Limitations in Predicting Ligand Binding Affinities / M. Rami Reddy ; Mark D. Erion ; Atul Agarwal4.: |
Methodology Overvie |
Computational Details |
Treatment of Long-Range Forces |
Polarization |
Bond Length Constraints |
Treatment of Boundaries |
Solvent Models |
Convergence of Free Energy Results |
Free Energy Perturbation Calculations for Small Molecules |
Tautomerization |
Ionization |
Log P |
Covalent Hydration |
Solvation |
Free Energy Perturbation Calculations for Macromolecules |
Nonprotein-Ligand Complexes |
Protease Inhibitors |
Lyases |
Oxidases and Reductases |
Allosteric Binding Site Ligands |
DNA Binding Proteins |
Miscellaneous Studies |
Guide to Structure-Based Ligand Optimization |
Computer Model |
Characterization of the Binding Site |
Lead Generation |
Optimization of Lead Compounds |
Optimization of Ligands to HIV-1 Protease: Using the FEP Method |
Design Considerations |
X-Ray Structures of HIV-1 Protease Complexes |
Force Field Parameters |
Computational Details for Solvent |
Computational Details for Complex |
Computer Model Validation |
Validation of FEP Methodology |
Convergence and Error Analysis |
Binding Affinity Predictions |
Advantages of Free Energy Calculations |
Limitations of Free Energy Calculations |
Brief Guide for Free Energy Calculations and Their Use in Ligand Optimization |
Small Molecule Docking and Scoring / Ingo Muegge ; Matthias Rarey |
Algorithms for Molecular Docking |
The Docking Problem |
Placing Fragments and Rigid Molecules |
Flexible Ligand Docking |
Handling Protein Flexibility |
Docking of Combinatorial Libraries |
Scoring |
Shape and Chemical Complementary Scores |
Force Field Scoring |
Empirical Scoring Functions |
Knowledge-Based Scoring Functions |
Comparing Scoring Functions in Docking Experiments: Consensus Scoring |
From Molecular Docking to Virtual Screening |
Protein Data Preparation |
Ligand Database Preparation |
Docking Calculation |
Postprocessing |
Docking as a Virtual Screening Tool |
Docking as a Ligand Design Tool |
Protein-Protein Docking / Lutz P. Ehrlich ; Rebecca C. Wade |
Why This Topic? |
Protein-Protein Binding Data |
Challenges for Computational Docking Studies |
Computational Approaches to the Docking Problem |
Docking = Sampling + Scoring |
Rigid-Body Docking |
Flexible Docking |
Example |
Estimating the Extent of Conformational Change upon Binding |
Flexible Docking with Side-Chain Flexibility |
Flexible Docking with Full Flexibility |
Future Directions |
Spin-Orbit Coupling in Molecules / Christel M. Marian |
What It Is All About |
The Fourth Electronic Degree of Freedom |
The Stern-Gerlach Experiment |
Zeeman Spectroscopy |
Spin Is a Quantum Effect |
Angular Momenta |
Orbital Angular Momentum |
General Angular Momenta |
Spin Angular Momentum |
Spin-Orbit Hamiltonians |
Full One- and Two-Electron Spin-Orbit Operators |
Valence-Only Spin-Orbit Hamiltonians |
Effective One-Electron Spin-Orbit Hamiltonians |
Symmetry |
Transformation Properties of the Wave Function |
Transformation Properties of the Hamiltonian |
Matrix Elements |
Examples |
Evaluation of Spin-Orbit Integrals |
Perturbational Approaches to Spin-Orbit Coupling |
Variational Procedures |
Comparison of Fine-Structure Splittings with Experiment |
First-Order Spin--Orbit Splitting |
Second-Order Spin--Orbit Splitting |
Spin-Forbidden Transitions |
Radiative Transitions |
Nonradiative Transitions |
Cellular Automata Models of Aqueous Solution Systems / Lemont B. Kier ; Chao-Kun Cheng ; Paul G. Seybold |
Historical Background |
The General Structure |
Cell Movement |
Movement (Transition) Rules |
Collection of Data |
Aqueous Solution Systems |
Water as a System |
The Molecular Model |
Significance of the Rules |
Studies of Water and Solution Phenomena |
A Cellular Automata Model of Water |
The Hydrophobic Effect |
Solute Dissolution |
Aqueous Diffusion |
Immiscible Liquids and Partitioning |
Micelle Formation |
Membrane Permeability |
Acid Dissociation |
Percolation |
Solution Kinetic Models |
First-Order Kinetics |
Kinetic and Thermodynamic Reaction Control |
Excited-State Kinetics |
Second-Order Kinetics |
Enzyme Reactions |
An Anticipatory Model |
Chromatographic Separation |
Books Published on the Topics of Computational Chemistry |
Computers in Chemistry |
Chemical Information |
Computational Chemistry |
Artificial Intelligence and Chemometrics |
Crystallography, Spectroscopy, and Thermochemistry |
Fundamentals of Quantum Theory |
Applied Quantum Chemistry |
Crystals, Polymers, and Materials |
Selected Series and Proceedings from Long-Running Conferences |
Molecular Modeling |
Molecular Simulation |
Molecular Design and Quantitative Structure-Activity Relationships |
Graph Theory in Chemistry |
Trends |
Clustering Algorithms |
Hierarchical Methods |
Nonhierarchical Methods |
Progress in Clustering Methodology |
Algorithm Developments |
Comparative Studies on Chemical Data Sets |
How Many Clusters? |
Chemical Applications |
The use of Scoring Functions in Drug Discovery Applications / Hans-Joachim Bohm |
The Process of Virtual Screening |
Major Contributions to Protein--Ligand Interactions |
Description of Scoring Functions for Receptor--Ligand Interactions |
Force Field-Based Methods |
Knowledge-Based Methods |
Critical Assessment of Current Scoring Functions |
Influence of the Training Data |
Molecular Size |
Other Penalty Terms |
Specific Attractive Interactions |
Water Structure and Protonation State |
Performance in Structure Prediction |
Rank Ordering Sets of Related Ligands |
Application of Scoring Functions in Virtual Screening |
Seeding Experiments |
Hydrogen Bonding versus Hydrophobic Interactions |
Finding Weak Inhibitors |
Consensus Scoring |
Successful Identification of Novel Leads through Virtual Screening |
Outlook |
Nonpolarizable Models |
Polarizable Point Dipoles |
Shell Models |
Electronegativity Equalization Models |
Semiempirical Models |
Water |
Proteins and Nucleic Acids |
Comparison of the Polarization Models |
Mechanical Polarization |
Computational Efficiency |
Hyperpolarizability |
Charge-Transfer Effects |
The Electrostatic Potential |
Summary and Conclusions |
Paradigm of Free Energy Surfaces |
Formulation |
Two-State Model |
Heterogeneous Discharge |
Beyond the Parabolas |
Bilinear Coupling Model |
Electron Transfer in Polarizable Donor--Acceptor Complexes |
Nonlinear Solvation Effects |
Electron-Delocalization Effects |
Nonlinear Solvation versus Intramolecular Effects |
Optical Band Shape |
Optical Franck--Condon Factors |
Absorption Intensity and Radiative Rates |
Electron-Transfer Matrix Element |
Electronically Delocalized Chromophores |
Polarizable Chromophores |
Hybrid Model |
LFER Methodology / 5.: |
Background |
Computational Methods |
Linear Free Energy Relationships |
Descriptors |
Classifications |
Quantum Mechanical Descriptors |
Quantum Mechanical Calculations |
Statistical Procedures |
Multiple Regression Analysis |
Examples of LFER Equations |
Model-Based Methods |
Nonmodel-Based Methods |
Computer Development / 6.: |
The ZUSE Computers |
The G1, G2, and G3 of Billing in Gottingen |
Computer Development at Universities |
The Analog Computer in Chemistry |
Quantum Chemistry, A New Start |
Theoretical Chemistry 1960-1970 |
The Deutsche Rechenzentrum at Darmstadt |
Formation of Theoretical Chemistry Groups |
Deutsche Forschungsgemeinschaft--Schwerpunktprogramm Theoretische Chemie |
Theoretical Chemistry Symposia |
Scientific Developments |
Computational Chemistry 1970-1980 |
European Efforts |
Computer-Aided Synthesis |
Progress in Quantum Chemical Methods |
Beyond 1980 |
Hiring Trends / Appendix.: |
Skills in Demand |
The Broader Context |
Salaries |
Computations of Noncovalent ? Interactions / C. David Sherrill |
Challenges for Computing ? Interactions |
Electron Correlation Problem |
Basis Set Problem |
Basis Set Superposition Errors and the Counterpoise Correction |
Additive Basis/Correlation Approximations |
Reducing Computational Cost |
Truncated Basis Sets |
Pauling Points |
Resolution of the Identity and Local Correlation Approximations |
Spin-Component-Scaled MP2 |
Explicitly Correlated R12 and F12 Methods |
Density Functional Approaches |
Semiempirical Methods and Molecular Mechanics |
Analysis Using Symmetry-Adapted Perturbation Theory |
Appendix: Extracting Energy Components from the SAPT2006 Program |
Reliable Electronic Structure Computations for Weak Noncovalent Interactions in Clusters / Gregory S. Tschumper |
Introduction and Scope |
Clusters and Weak Noncovalent Interactions |
Weak Noncovalent Interactions |
Historical Perspective |
Some Notes about Terminology |
Fundamental Concepts: A Tutorial |
Model Systems and Theoretical Methods |
Rigid Monomer Approximation |
Supermolecular Dissociation and Interaction Energies |
Counterpoise Corrections for Basis Set Superposition Error |
Two-Body Approximation and Cooperative/Nonadditive Effects |
Size Consistency and Extensivity of the Energy |
Summary of Steps in Tutorial |
High-Accuracy Computational Strategies |
Primer on Electron Correlation |
Primer on Atomic Orbital Basis Sets |
Scaling Problem |
Estimating Eint at the CCSD(T) CBS Limit: Another Tutorial |
Accurate Potential Energy Surfaces |
Less Demanding Computational Strategies |
Second-Order Møller-Plesset Perturbation Theory |
Density Functional Theory |
Guidelines |
Other Computational Issues |
Basis Set Superposition Error and Counterpoise Corrections |
Beyond Interaction Energies: Geometries and Vibrational Frequencies |
Excited States from Time-Dependent Density Functional Theory / Peter Elliott ; Filipp Furche ; Kieron Burke |
Overview |
Ground-State Review |
Formalism |
Approximate Functionals |
Basis Sets |
Time-Dependent Theory |
Runge-Gross Theorem |
Kohn-Sham Equations |
Linear Response |
Approximations |
Implementation and Basis Sets |
Density Matrix Approach |
Convergence for Naphthalene |
Double-Zeta Basis Sets |
Polarization Functions |
Triple-Zeta Basis Sets |
Diffuse Functions |
Resolution of the Identity |
Performance |
Example: Naphthalene Results |
Influence of the Ground-State Potential |
Analyzing the Influence of the XC Kernel |
Errors in Potential vs. Kernel |
Understanding Linear Response TDDFT |
Atoms as a Test Case |
Quantum Defect |
Testing TDDFT |
Saving Standard Functionals |
Electron Scattering |
Beyond Standard Functionals |
Double Excitations |
Solids |
Charge Transfer |
Other Topics |
Ground-State XC Energy |
Strong Fields |
Electron Transport |
Computing Quantum Phase Transitions / Thomas Vojta |
Preamble: Motivation and History |
Phase Transitions and Critical Behavior |
Landau Theory |
Scaling and the Renormalization Group |
Finite-Size Scaling |
Quenched Disorder |
Quantum vs. Classical Phase Transitions |
How Important Is Quantum Mechanics? |
Quantum Scaling and Quantum-to-Classical Mapping |
Beyond the Landau-Ginzburg-Wilson Paradigm |
Impurity Quantum Phase Transitions |
Quantum Phase Transitions: Computational Challenges |
Classical Monte Carlo Approaches |
Method: Quantum-to-Classical Mapping and Classical Monte Carlo Methods |
Transverse-Field Ising Model |
Bilayer Heisenberg Quantum Antiferromagnet |
Dissipative Transverse-Field Ising Chain |
Diluted Bilayer Quantum Antiferromagnet |
Random Transverse-Field Ising Model |
Dirty Bosons in Two Dimensions |
Quantum Monte Carlo Approaches |
World-Line Monte Carlo |
Stochastic Series Expansion |
Spin1/2 Quantum Heisenberg Magnet |
Diluted Heisenberg Magnets |
Superfluid-Insulator Transition in an Optical Lattice |
Fermions |
Other Methods and Techniques |
Real-Space and Multigrid Methods in Computational Chemistry / Thomas L. Beck |
Physical Systems: Why Do We Need Multiscale Methods? |
Why Real Space? |
Real-Space Basics |
Equations to Be Solved |
Finite-Difference Representations |
Finite-Element Representations |
Iterative Updates of the Functions, or Relaxation |
What Are the Limitations of Real-Space Methods on a Single Fine Grid? |
Multigrid Methods |
How Does Multigrid Overcome Critical Slowing Down? |
Full Approximations Scheme (FAS) Multigrid, and Full Multigrid (FMG) |
Eigenvalue Problems |
Multigrid for the Eigenvalue Problem |
Self-Consistency |
Linear Scaling for Electronic Structure? |
Other Nonlinear Problems: The Poisson-Boltzmann and Poisson-Nernst-Planck Equations |
Poisson-Boltzmann Equation |
Poisson-Nernst-Planck (PNP) Equations for Ion Transport |
Some Advice on Writing Multigrid Solvers |
Applications of Multigrid Methods in Chemistry, Biophysics, and Materials Nanoscience |
Electronic Structure |
Transport Problems |
Existing Real-Space and Multigrid Codes |
Transport |
Some Speculations on the Future |
Chemistry and Physics: When Shall the Twain Meet? |
Elimination of Molecular Orbitals? |
Larger Scale DFT, Electrostatics, and Transport |
Reiteration of "Why Real Space?" |
Hybrid Methods for Atomic-Level Simulations Spanning Multiple-Length Scales in the Solid State / Francesca Tavazza ; Lyle E. Levine ; Anne M. Chaka |
General Remarks about Hybrid Methods |
Complete-Spectrum Hybrid Methods |
About this Review |
Atomistic/Continuum Coupling |
Zero-Temperature Equilibrium Methods |
Finite-Temperature Equilibrium Methods |
Dynamical Methods |
Classical/Quantum Coupling |
Static and Semistatic Methods |
Dynamics Methodologies |
Conclusions: The Outlook |
Appendix: A List of Acronyms |
Extending the Time Scale in Atomically Detailed Simulations / Alfredo E. Cárdenas ; Eric Barth |
The Verlet Method |
Molecular Dynamics Potential |
Multiple Time Steps |
Reaction Paths |
Multiple Time-Step Methods |
Splitting the Force |
Numerical Integration with Force Splitting: Extrapolation vs. Impulse |
Fundamental Limitation on Size of MTS Methods |
Langevin Stabilization |
Further Challenges and Recent Advances |
An MTS Tutorial |
Extending the Time Scale: Path Methodologies |
Transition Path Sampling |
Maximization of the Diffusive Flux (MaxFlux) |
Discrete Path Sampling and String Method |
Optimization of Action |
Boundary Value Formulation in Length |
Use of SDEL to Compute Reactive Trajectories: Input Parameters, Initial Guess, and Parallelization Protocol |
Applications of the Stochastic Difference Equation in Length |
Recent Advances and Challenges |
Appendix: MATLAB Scripts for the MTS Tutorial |
Acknowledgment |
Atomistic Simulation of Ionic Liquids / Edward J. Maginn |
Short (Pre)History of Ionic Liquid Simulations |
Earliest Ionic Liquid Simulations |
More Systems and Refined Models |
Force Fields and Properties of Ionic Liquids Having Dialkylimidazolium Cations |
Force Fields and Properties of Other Ionic Liquids |
Solutes in Ionic Liquids |
Implications of Slow Dynamics when Computing Transport Properties |
Computing Self-Diffusivities, Viscosities, Electrical Conductivities, and Thermal Conductivities for Ionic Liquids |
Nonequilibrium Methods for Computing Transport Properties |
Ab Initio Molecular Dynamics |
How to Carry Out Your Own Ionic Liquid Simulations |
What Code? |
Force Fields |
Data Analysis |
Operating Systems and Parallel Computing |
Brittle Fracture: From Elasticity Theory to Atomistic Simulations / Stefano Giordano ; Alessandro Mattoni ; Luciano Colombo |
Essential Continuum Elasticity Theory |
Conceptual Layout |
The Concept of Strain |
The Concept of Stress |
The Formal Structure of Elasticity Theory |
Constitutive Equations |
The Isotropic and Homogeneous Elastic Body |
Governing Equations of Elasticity and Border Conditions |
Elastic Energy |
Microscopic Theory of Elasticity |
Triangular Lattice with Central Forces Only |
Triangular Lattice with Two-Body and Three-Body Interactions |
Interatomic Potentials for Solid Mechanics |
Atomic-Scale Stress |
Linear Elastic Fracture Mechanics |
Stress Concentration |
The Griffith Energy Criterion |
Opening Modes and Stress Intensity Factors |
Some Three-Dimensional Configurations |
Elastic Behavior of Multi Fractured Solids |
Atomistic View of Fracture |
Atomistic Investigations on Brittle Fracture |
Griffith Criterion for Failure |
Failure in Complex Systems |
Stress Shielding at Crack-Tip |
Appendix: Notation |
Dissipative Particle Dynamics / Igor V. Pivkin ; Bruce Caswell ; George Em Kamiadakis |
Fundamentals of DPD |
Mathematical Formulation |
Units in DPD |
Thermostat and Schmidt Number |
Integration Algorithms |
Extensions of DPD |
DPD with Energy Conservation |
Fluid Particle Model |
DPD for Two-Phase Flows |
Other Extensions |
Polymer Solutions and Melts |
Binary Mixtures |
Amphiphilic Systems |
Red Cells in Microcirculation |
Trajectory-Based Rare Event Simulations / Peter G. Bolhuis ; Christoph Dellago |
Simulation of Rare Events |
Rare Event Kinetics from Transition State Theory |
The Reaction Coordinate Problem |
Accelerating Dynamics |
Trajectory-Based Methods |
Outline of the Chapter |
Transition State Theory |
Statistical Mechanical Definitions |
Rate Constants |
Rate Constants from Transition State Theory |
Variational TST |
The Harmonic Approximation |
Reactive Flux Methods |
The Bennett-Chandler Procedure |
The Effective Positive Flux |
The Ruiz-Montero-Frenkel-Brey Method |
Path Probability |
Order Parameters |
Sampling the Path Ensemble |
Shooting Move |
Sampling Efficiency |
Biasing the Shooting Point |
Aimless Shooting |
Stochastic Dynamics Shooting Move |
Shifting Move |
Flexible Time Shooting |
Which Shooting Algorithm to Choose? |
The Initial Pathway |
The Complete Path Sampling Algorithm |
Enhancement of Sampling by Parallel Tempering |
Multiple-State TPS |
Transition Path Sampling Applications |
Computing Rates with Path Sampling |
The Correlation Function Approach |
Transition Interface Sampling |
Partial Path Sampling |
Replica Exchange TIS or Path Swapping |
Forward Flux Sampling |
Milestoning |
Discrete Path Sampling |
Minimizing the Action |
Nudged Elastic Band |
Action-Based Sampling |
Transition Path Theory and the String Method |
Identifying the Mechanism from the Path Ensemble |
Reaction Coordinate and Committor |
Transition State Ensemble and Committor Distributions |
Genetic Neural Networks |
Maximum Likelihood Estimation |
Conclusions and outlook |
Understanding Metal/Metal Electrical Contact Conductance from the Atomic to Continuum Scales / Douglas L. Irving |
Factors That Influence Contact Resistance |
Local Heating |
Intermixing and Interfacial Contamination |
Dimensions of Contacting Asperities |
Computational Considerations |
Atomistic Methods |
Calculating Conductance of Nanoscale Asperities |
Hybrid Multiscale Methods |
Characterization of Defected Atoms |
Conduction Through Metallic Nanowires |
Multiscale Methods Applied to Metal/Metal Contacts |
Molecular Detailed Simulations of Lipid Bilayers / Max L. Berkowitz ; James T. Kindt |
Membrane Simulation Methodology |
Choice of the Ensemble |
Verification of the Force Field |
Monte Carlo Simulation of Lipid Bilayers |
Detailed Simulations of Bilayers Containing Lipid Mixtures |
Semiclassical Bohmian Dynamics / Sophya Garashchuk ; Vitaly Rassolov ; Oleg Prezhdo |
The Formalism and Its Features |
The Trajectory Formulation |
Features of the Bohmian Formulation |
The Classical Limit of the Schrödinger Equation and the Semiclassical Regime of Bohmian Trajectories |
Using Quantum Trajectories in Dynamics of Chemical Systems |
Bohmian Quantum-Classical Dynamics |
Mean-Field Ehrenfest Quantum-Classical Dynamics |
Quantum-Classical Coupling via Bohmian Particles |
Numerical Illustration of the Bohmian Quantum-Classical Dynamics |
Properties of the Bohmian Quantum-Classical Dynamics |
Hybrid Bohmian Quantum-Classical Phase-Space Dynamics |
The Independent Trajectory Methods |
The Derivative Propagation Method |
The Bohmian Trajectory Stability Approach. Calculation of Energy Eigenvalues by Imaginary Time Propagation |
Bohmian Mechanics with Complex Action |
Dynamics with the Globally Approximated Quantum Potential (AQP) |
Global Energy-Conserving Approximation of the Nonclassical Momentum |
Approximation on Subspaces or Spatial Domains |
Nonadiabatic Dynamics |
Toward Reactive Dynamics in Condensed Phase |
Stabilization of Dynamics by Balancing Approximation Errors |
Bound Dynamics with Tunneling |
Conservation of Density within a Volume Element / Appendix A: |
Quantum Trajectories in Arbitrary Coordinates / Appendix B: |
Optimal Parameters of the Linearized Momentum on Spatial Domains in Many Dimensions / Appendix C: |
Prospects for Career Opportunities in Computational Chemistry |
Introduction and Overview |
Methodology and Results |
Proficiencies in Demand |
Analysis |
An Aside: Economics 101 |
Prognosis |
Appendix: List of Computational Molecular Scientists |