4 edition of **Lattice dynamics of molecular crystals** found in the catalog.

- 383 Want to read
- 36 Currently reading

Published
**1981**
by Springer-Verlag in Berlin, New York
.

Written in English

- Molecular crystals.,
- Lattice dynamics.

**Edition Notes**

Statement | Salvatore Califano, Vincenzo Schettino, Natale Neto. |

Series | Lecture notes in chemistry -- 26 |

Contributions | Schettino, Vincenzo., Neto, Natale. |

Classifications | |
---|---|

LC Classifications | QD921 |

The Physical Object | |

Pagination | p. cm |

ID Numbers | |

Open Library | OL21339856M |

ISBN 10 | 0387108688 |

The resulting force fields can be used to determine crystal structures and properties by applying them in molecular packing, lattice energy minimization, and molecular dynamics calculations. In this way, some of the first successful determinations of crystal structures were achieved from first principles, with crystal densities and lattice Cited by: Show Summary Details Preview. This book discusses the theory of defects in semiconductors and insulators. It focuses on the electronic structure of point defects in insulators and semiconductors, with discussions of underlying assumptions, methods, and how to calculate what is observed experimentally.

Grüneisen parameters for molecular crystals. applied in detail to the lattice dynamics of telluri-um. for molecular crystals, the idea of a basic vibrational scaling law can be preserved. Lattice dynamics of molecular crystals. Karl-Heinz Brose, University of Nebraska - Lincoln. Abstract. Lattice dynamical calculations have been performed for two molecular crystal systems, 7,7,8,8-tetracyanoquinodimethane (TCNQ) and the charge-transfer complex anthracene-1,2,4,5-tetracyanobenzene (A-TCNB).Author: Karl-Heinz Brose.

A molecular crystal is an array of molecular objects related by symmetry operations, including pure translation: a system endowed by periodic translational symmetry. This chapter considers atomic orbitals and the crystal orbital approach for the construction of the periodic wavefunction and electron density of a crystal, and for the derivation of its electronic structure, as well as the. The molecular dynamics and lattice dynamics methods are reviewed and the normal mode decomposition technique is described in detail. The application of normal mode decomposition is demonstrated through case studies on crystalline, alloy, and amorphous Lennard-Jones phases.

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The purpose of this book is to partly fill this gap and to discuss the lattice dynamical theory of molecular crystals in a compact and specialized form.

As such, the book is not intended exclusively for researchers and specialists in the field but also for graduate students entering an activity in solid state mo lecular by: The lattice dynamics of molecular crystals has undergone an enor mous progress in these last twenty years or so.

The experimental and theoretical advances have been realized by two different approaches. From one side molecular spectroscopists have been primarily interested in the vibrational. Optical Spectra and Lattice Dynamics of Molecular Crystals (VIBRATIONAL SPECTRA AND STRUCTURE) (v.

21) by G. Zhizhin (Author), E. Mukhtarov (Author) ISBN ISBN X. Why is ISBN important. ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book.

Introduction. The lattice dynamics of molecular crystals has undergone an enor mous progress in these last twenty years or so. The experimental and theoretical advances have been realized by two different approaches. From one side molecular spectroscopists have been primarily interested in the vibrational properties of the molecules themselves subjected to the perturbing influence of the crystal environment.

Typical cases of disorder in molecular crystals and Lattice dynamics of molecular crystals book representation in vibrational spectra. Calculation of Frequencies and Normal Vibrational Forms in the Approximation of Rigid Molecules. Calculation technique for the lattice dynamics of molecular crystals by means of Edition: 1.

Search in this book series. Optical Spectra and Lattice Dynamics of Molecular Crystals. Edited by G.N. Zhizhin, E. Mukhtarov. Vol Appendix I AAP parameters used for the calculation of the lattice dynamics of molecular crystals Pages Download PDF; select article Appendix II Computerized calculations of the frequencies and.

Cite this chapter as: Califano S., Schettino V., Neto N. () Lattice Dynamics. In: Lattice Dynamics of Molecular Crystals. Lecture Notes in Chemistry, vol The aim of this successful book is to describe and analyse peculiarities of classical and quantum dynamics of a crystal as a spatially periodic structure.

In the second revised and updated edition, the author focuses on low-dimensional models of crystals and on superlattices. Lattice dynamical calculations have been performed for two molecular crystal systems, 7,7,8,8-tetracyanoquinodimethane (TCNQ) and the charge-transfer complex anthracene-1,2,4,5 -tetracyanobenzene (A-TCNB).

The calculations were carried out in the framework of the harmonic approximation and the rigid molecule model. Suitable potential energy functions for the crystal lattices Author: Karl-Heinz Brose. Lattice dynamics calculations for nitrogen and carbon dioxide have been carried out for empirical intermolecular potentials which incorporate accurate representations of the molecular charge distributions.

In the case of nitrogen, the higher order moments are found to make large negative contributions to the harmonic librational by: About this book This up-to-date review closes an important gap in the literature by providing a comprehensive description of the Mössbauer effect in lattice dynamics, along with a collection of applications in metals, alloys, amorphous solids, molecular crystals.

Molecular Crystals and Molecules deals with some of the problems of molecular crystallography and certain aspects of molecular structure. This book is composed of eight chapters that specifically cover the significant progress of conformational research. The opening chapter describes the structure of crystals considering the close-packing principle, disorder elements, and binary systems.

The next two chapters examine the calculation of crystal lattice energy and Edition: 1. In a classic book on lattice dynamics, Born and Huang () cite two approaches for understanding the origin of atomic forces.

In one approach the energy is expressed in terms of the charge density, using the Thomas-Fermi-Dirac expressions for an electron gas, with the total charge density given by a sum of the charge densities of overlapping. The problem of coupled rotors in molecular crystals is reviewed in the limits of low and high barrier to rotation.

An approximate one-molecule potential is suggested. The phase properties of mixed crystals of para- and ortho-hydrogen are discussed using this model. Ex. A1-xBxO3 increase dopant concentration, the lattice constant decrease or increase depends on ionic radii (B-site is smaller then A-site - Lattice constant decrease or B.

sound waves in crystals are a practical example of the role of lattice dynamics, as also is the interaction of materials with light. For example, the absorption of certain frequencies in the infra-red spectral region is directly due to the existence of speciﬁc lattice dynamics motions.

Lattice dynamics also givesCited by: 6. Molecular dynamics and lattice dynamics represent two complementary approaches to the study of the static and dynamical properties of molecular crystals. The different fields of application for the two techniques are illustrated and the complementary informations obtainable are discussed.

Special attention is payed to the study of anharmonic properties and to the models of intermolecular. The lattice dynamics of molecular crystals has undergone an enor mous progress in these last twenty years or so.

From the other side the lattice dynamical theory familiar in solid state physics for atomic lattices has been extended to molecular arrays. 2 Molecular Interactions Molecular dynamics simulation consists of the numerical, step-by-step, solution of the classical equations of motion, which for a simple atomic system may be written m i ri= f f = @ @ri U (1) For this purpose we need to be able to calculate the forces fiacting on the atoms, and theseFile Size: KB.

The current volume is a single topic volume on the optical spectra and lattice dynamics of molecular crystals. The book is divided into two parts. Part I covers both the theoretical and experimental investigations of organic crystals.

Part II deal. Quasi-harmonic lattice dynamics is developed for ionic molecular crystals, within the framework of the rigid ion approximation. Long-range electrostatic potentials as well as short-range atom–atom interactions are discussed, making extensive use of the Ewald long wave by: 5.Elastic moduli and instability in molecular crystals of ionic crystals [13].

The lattice-dynamics approach can give a more detailed picture of the phenomenon insofar as it permits the investigation of the behaviour of selected vibrational modes at any point of the Brillouin zone.

A fast, fragment-based hybrid many-body interaction model is used to optimize the structures of five small-molecule organic crystals (with fixed experimental lattice parameters) and predict their lattice energies with accuracies of ∼2−4 kJ/mol compared to experiment.

This model treats individual molecules in the central unit cell and their short-range two-body interactions quantum Cited by: