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- Molecular mechanics
- Molecular Modelling. Principles and Applications (2nd Edition) by Andrew R. Leach
- Molecular modelling
View larger. Request a copy. Additional order info. Buy this product. K educators : This link is for individuals purchasing with credit cards or PayPal only. This book provides a detailed description of the techniques employed in molecular modeling and computational chemistry. The first part of the book covers the two major methods used to describe the interactions within a system quantum mechanics and molecular mechanics. The second part then deals with techniques that use such energy models, including energy minimization, molecular dynamics, Monte Carlo simulations and conformational analysis.
The author also discusses the use of more advanced modeling techniques such as the calculation of free energies and the simulation of chemical reactions.
In addition he considers aspects of both chemoinformatics and bioinformatics and techniques that can be used to design new molecules with specific properties. Many of the topics are treated in considerable depth but the student is assumed to have only a basic knowledge of the relevant physical and chemical principles. Allows this book to be used by a broad audience that includes more than just physical chemists. A more detailed and carefully paced introduction to quantum sets the stage for later topics.
Instructors can skip the introduction to quantum and molecular mechanics to discuss later topics. Useful Concepts in Molecular Modelling. Coordinate Systems. Potential Energy Surfaces. Molecular Graphics. Computer Hardware and Software.
Units of Length and Energy. The Molecular Modelling Literature. The Internet. Mathematical Concepts. One-electron Atoms. Polyelectronic Atoms and Molecules. Molecular Orbital Calculations. The Hartree-Fock Equations. Basis Sets. Approximate Molecular Orbital Theories. Semi-empirical Methods. Performance of Semi-empirical Methods. Appendix 2. Open-shell Systems. Electron Correlation. Practical Cconsiderations When Performing ab initio Calculations.
Energy Component Analysis. Valence Bond Theories. Density Functional Theory. Appendix 3. Bond Stretching. Angle Bending.
Torsional Terms. Improper Torsions and Out-of-plane Bending Motions. Cross Terms: Class 1, 2 and 3 Force Fields. Introduction to Non-bonded Interactions. Electrostatic Interactions. Van der Waals Interactions.
Many-body Effects in Empirical Potentials. Effective Pair Potentials. Hydrogen Bonding in Molecular Mechanics. Derivatives of the Molecular Mechanics Energy Function. Force Field Parametrisation. Transferability of Force Field Parameters. The Treatment of Delocalised … Systems. Force Fields for Inorganic Molecules. Force Fields for Solid-state Systems. Empirical Potentials for Metals and Semiconductors.
Appendix 4. Non-derivative Minimisation Methods. Introduction to Derivative Minimisation Methods. First-order Minimisation Methods. Quasi-Newton Methods. Applications of Energy Minimisation. Determination of Transition Structures and Reaction Pathways. Calculation of Simple Thermodynamic Properties. Phase Space. Practical Aspects of Computer Simulation.
Monitoring the Equilibration. Truncating the Potential and the Minimum Image Convention. Long-range Forces. Analysing the Results of a Simulation and Estimating Errors. Appendix 6. Molecular Dynamics Using Simple Models. Molecular Dynamics with Continuous Potentials. Constraint Dynamics. Time-dependent Properties. Molecular Dynamics at Constant Temperature and Pressure. Conformational Changes from Molecular Dynamics Simulations. Molecular Dynamics Simulations of Chain Amphiphiles.
Appendix 7. Calculating Properties by Integration. Some Theoretical Background to the Metropolis Method. Implementation of the Metropolis Monte Carlo Method. Monte Carlo Simulation of Molecules. Monte Carlo Sampling from Different Ensembles. Calculating the Chemical Potential. Monte Carlo or Molecular Dynamics? Appendix 8. Systematic Methods for Exploring Conformational Space. Model-building Approaches. Random Search Methods. Distance Geometry. A Comparison of Different Approaches.
Variations on the Standard Methods. Structural Databases. Molecular Fitting. Clustering Algorithms and Pattern Recognition Techniques. Reducing the Dimensionality of a Data Set.
Covering Conformational Space: Poling.
Molecular Modelling. Principles and Applications (2nd Edition) by Andrew R. Leach
Molecular mechanics uses classical mechanics to model molecular systems. The Born—Oppenheimer approximation is assumed valid and the potential energy of all systems is calculated as a function of the nuclear coordinates using force fields. Molecular mechanics can be used to study molecule systems ranging in size and complexity from small to large biological systems or material assemblies with many thousands to millions of atoms. Variants on this theme are possible. For example, many simulations have historically used a united-atom representation in which each terminal methyl group or intermediate methylene unit was considered one particle, and large protein systems are commonly simulated using a bead model that assigns two to four particles per amino acid.
Molecular Modelling. PRINCIPLES AND APPLICATIONS. Second edition. Andrew R. Leach. Glaxo Wellcome Research and Development. Prentice. Hall.
Search this site. The book will also be useful to researchers in academia and in the pharmaceutical and chemical industries and to those teaching or attending courses in molecular modelling. This new edition provides background theory in the techniques of molecular modelling; illustrated with applications form the physical; chemical and biological sciences. It includes simple numerical examples and numerous explanatory figures and a colour plate section. Read more See all Editorial Reviews";In this book; Andrew Leach has done a great job in describing almost every important concept; sundry as well as significant; from the field of computational chemistry and molecular modeling.
The book will also be useful to researchers in academia and in the pharmaceutical and chemical industries and to those teaching or attending courses in molecular modelling. Principles and Applications 2nd Edition by Andrew R. Random Related Molecular Modelling: Principles and Applications 2nd Edition : Endovaginal Ultrasound, 2nd Edition The first part of the book covers the two major methods used to describe the interactions within a system quantum mechanics and molecular mechanics.
Many thanks. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Molecular Modelling Principles And Applications 2nd Edition. Just select your click then download button, and complete an offer to start downloading the ebook. Split into two parts, the first covers the two major methods used to describe the interactions within a Molecular Modelling: Principles and Applications - quantum mechanics and This book provides a detailed description of the techniques employed in molecular modeling and computational chemistry.
The first part of the book covers the two major methods used to describe the interactions within a system quantum mechanics and molecular mechanics. Authors: RamachandranK. Literature, plays, poetry, and non-fiction texts Molecular Modelling.