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Author : Hans Albrecht Bethe
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.3/5 (91 download)
Download or read book Splitting of Terms in Crystals written by Hans Albrecht Bethe and published by . This book was released on 1929 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans A. Bethe
Publisher : World Scientific
ISBN 13 : 9789812795755
Total Pages : 624 pages
Book Rating : 4.7/5 (957 download)
Download or read book Selected Works of Hans A. Bethe written by Hans A. Bethe and published by World Scientific. This book was released on 1997 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hans Bethe received the Nobel Prize for Physics in 1967 for his work on the production of energy in stars. He helped to shape classical physics into quantum physics and increase the understanding of the atomic processes responsible for the properties of matter and of the forces governing the structures of atomic nuclei. This collection of papers by Hans Bethe dates from 1928, when he received his PhD, to the present.
Author : Hans Albrecht Bethe
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (5 download)
Download or read book Splitting of Terms in Crystals written by Hans Albrecht Bethe and published by . This book was released on 1959 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans Albrecht Bethe
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (28 download)
Download or read book Term Splitting in Crystals written by Hans Albrecht Bethe and published by . This book was released on with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. Mulak
Publisher : Elsevier
ISBN 13 : 0080530710
Total Pages : 319 pages
Book Rating : 4.0/5 (85 download)
Download or read book The Effective Crystal Field Potential written by J. Mulak and published by Elsevier. This book was released on 2000-06-22 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: As it results from the very nature of things, the spherical symmetry of the surrounding of a site in a crystal lattice or an atom in a molecule can never occur. Therefore, the eigenfunctions and eigenvalues of any bound ion or atom have to differ from those of spherically symmetric respective free ions. In this way, the most simplified concept of the crystal field effect or ligand field effect in the case of individual molecules can be introduced. The conventional notion of the crystal field potential is narrowed to its non-spherical part only through ignoring the dominating spherical part which produces only a uniform energy shift of gravity centres of the free ion terms. It is well understood that the non-spherical part of the effective potential "seen" by open-shell electrons localized on a metal ion plays an essential role in most observed properties. Light adsorption, electron paramagnetic resonance, inelastic neutron scattering and basic characteristics derived from magnetic and thermal measurements, are only examples of a much wider class of experimental results dependent on it. The influence is discerned in all kinds of materials containing unpaired localized electrons: ionic crystals, semiconductors and metallic compounds including materials as intriguing as high-Tc superconductors, or heavy fermion systems. It is evident from the above that we deal with a widespread effect relative to all free ion terms except those which can stand the lowered symmetry, e.g. S-terms. Despite the universality of the phenomenon, the available handbooks on solid state physics pay only marginal attention to it, merely making mention of its occurrence. Present understanding of the origins of the crystal field potential differs essentially from the pioneering electrostatic picture postulated in the twenties. The considerable development of the theory that has been put forward since then can be traced in many regular articles scattered throughout the literature. The last two decades have left their impression as well but, to the authors' best knowledge, this period has not been closed with a more extended review. This has also motivated us to compile the main achievements in the field in the form of a book.
Author : Satoru Sugano
Publisher : Elsevier
ISBN 13 : 0323154794
Total Pages : 348 pages
Book Rating : 4.3/5 (231 download)
Download or read book Multiplets of Transition-Metal Ions in Crystals written by Satoru Sugano and published by Elsevier. This book was released on 2012-12-02 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multiplets of Transition-Metal Ions in Crystals provides information pertinent to ligand field theory. This book discusses the fundamentals of quantum mechanics and the theory of atomic spectra. Comprised of 10 chapters, this book starts with an overview of the qualitative nature of the splitting of the energy level as well as the angular behavior of the wavefunctions. This text then examines the problem of obtaining the energy eigenvalues and eigenstates of the two-electron systems, in which two electrons are accommodated in the t2g and eg shells in a variety of ways. Other chapters discuss the ligand-field potential, which is invariant to any symmetry operation in the group to which symmetry of the system belongs. This book discusses as well the approximate method of expressing molecular orbitals (MO) by a suitable linear combination of atomic orbitals (AO). The final chapter discusses the MO in molecules and the self-consistent field theory of Hartree–Fock. This book is a valuable resource for research physicists, chemists, electronic engineers, and graduate students.
Author : Thomas Wolfram
Publisher : Cambridge University Press
ISBN 13 : 1107028523
Total Pages : 485 pages
Book Rating : 4.1/5 (7 download)
Download or read book Applications of Group Theory to Atoms, Molecules, and Solids written by Thomas Wolfram and published by Cambridge University Press. This book was released on 2014-01-09 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: An applications-oriented approach gives graduate students and researchers in the physical sciences the tools needed to analyze any physical system.
Author : Hans Albrecht Bethe
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (723 download)
Download or read book Splitting of terms in crystals written by Hans Albrecht Bethe and published by . This book was released on 1958 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (638 download)
Download or read book Splitting of Terms in Crystals written by and published by . This book was released on 1929 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mandeep Dalal
Publisher : Dalal Institute
ISBN 13 : 8193872002
Total Pages : 480 pages
Book Rating : 4.1/5 (938 download)
Download or read book A Textbook of Inorganic Chemistry – Volume 1 written by Mandeep Dalal and published by Dalal Institute. This book was released on 2017-01-01 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: An advanced-level textbook of inorganic chemistry for the graduate (B.Sc) and postgraduate (M.Sc) students of Indian and foreign universities. This book is a part of four volume series, entitled "A Textbook of Inorganic Chemistry – Volume I, II, III, IV". CONTENTS: Chapter 1. Stereochemistry and Bonding in Main Group Compounds: VSEPR theory, dπ -pπ bonds, Bent rule and energetic of hybridization. Chapter 2. Metal-Ligand Equilibria in Solution: Stepwise and overall formation constants and their interactions, Trends in stepwise constants, Factors affecting stability of metal complexes with reference to the nature of metal ion and ligand, Chelate effect and its thermodynamic origin, Determination of binary formation constants by pH-metry and spectrophotometry. Chapter 3. Reaction Mechanism of Transition Metal Complexes – I: Inert and labile complexes, Mechanisms for ligand replacement reactions, Formation of complexes from aquo ions, Ligand displacement reactions in octahedral complexes- acid hydrolysis, Base hydrolysis, Racemization of tris chelate complexes, Electrophilic attack on ligands. Chapter 4. Reaction Mechanism of Transition Metal Complexes – II: Mechanism of ligand displacement reactions in square planar complexes, The trans effect, Theories of trans effect, Mechanism of electron transfer reactions – types; Outer sphere electron transfer mechanism and inner sphere electron transfer mechanism, Electron exchange. Chapter 5. Isopoly and Heteropoly Acids and Salts: Isopoly and Heteropoly acids and salts of Mo and W: structures of isopoly and heteropoly anions. Chapter 6. Crystal Structures: Structures of some binary and ternary compounds such as fluorite, antifluorite, rutile, antirutile, crystobalite, layer lattices- CdI2, BiI3; ReO3, Mn2O3, corundum, pervoskite, Ilmenite and Calcite. Chapter 7. Metal-Ligand Bonding: Limitation of crystal field theory, Molecular orbital theory, octahedral, tetrahedral or square planar complexes, π-bonding and molecular orbital theory. Chapter 8. Electronic Spectra of Transition Metal Complexes: Spectroscopic ground states, Correlation and spin-orbit coupling in free ions for Ist series of transition metals, Orgel and Tanabe-Sugano diagrams for transition metal complexes (d1 – d9 states), Calculation of Dq, B and β parameters, Effect of distortion on the d-orbital energy levels, Structural evidence from electronic spectrum, John-Tellar effect, Spectrochemical and nephalauxetic series, Charge transfer spectra, Electronic spectra of molecular addition compounds. Chapter 9. Magantic Properties of Transition Metal Complexes: Elementary theory of magneto - chemistry, Guoy’s method for determination of magnetic susceptibility, Calculation of magnetic moments, Magnetic properties of free ions, Orbital contribution, effect of ligand-field, Application of magneto-chemistry in structure determination, Magnetic exchange coupling and spin state cross over. Chapter 10. Metal Clusters: Structure and bonding in higher boranes, Wade’s rules, Carboranes, Metal Carbonyl Clusters - Low Nuclearity Carbonyl Clusters, Total Electron Count (TEC). Chapter 11. Metal-π Complexes: Metal carbonyls, structure and bonding, Vibrational spectra of metal carbonyls for bonding and structure elucidation, Important reactions of metal carbonyls; Preparation, bonding, structure and important reactions of transition metal nitrosyl, dinitrogen and dioxygen complexes; Tertiary phosphine as ligand.
Author : Bruce Averill
Publisher :
ISBN 13 : 9780321413703
Total Pages : 1233 pages
Book Rating : 4.4/5 (137 download)
Download or read book Chemistry written by Bruce Averill and published by . This book was released on 2007 with total page 1233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emphasises on contemporary applications and an intuitive problem-solving approach that helps students discover the exciting potential of chemical science. This book incorporates fresh applications from the three major areas of modern research: materials, environmental chemistry, and biological science.
Author : H.A. Bethe
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Splitting Of Terms In Crystals written by H.A. Bethe and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arthur P. Cracknell
Publisher : Elsevier
ISBN 13 : 1483149382
Total Pages : 431 pages
Book Rating : 4.4/5 (831 download)
Download or read book Applied Group Theory written by Arthur P. Cracknell and published by Elsevier. This book was released on 2016-07-29 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selected Readings in Physics: Applied Group Theory provides information pertinent to the fundamental aspects of applied group theory. This book discusses the properties of symmetry of a system in quantum mechanics. Organized into two parts encompassing nine chapters, this book begins with an overview of the problem of elastic vibrations of a symmetric structure. This text then examines the numbers, degeneracies, and symmetries of the normal modes of vibration. Other chapters consider the conditions under which a polyatomic molecule can have a stable equilibrium configuration when its electronic state has orbital degeneracy. This book discusses as well the effect of an electric field having a given symmetry upon an atom. The final chapter deals with the symmetry of crystals with a magnetic moment. This book is intended to be suitable for final-year students and fresh postgraduate students in physics. Physicists and researcher workers will also find this book extremely useful.
Author : John L. Prather
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.3/5 (91 download)
Download or read book Atomic Energy Levels in Crystals written by John L. Prather and published by . This book was released on 1961 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (58 download)
Download or read book Splitting of Terms in Crystals written by and published by . This book was released on 1954 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Elsevier
ISBN 13 : 9780081026885
Total Pages : 6948 pages
Book Rating : 4.0/5 (268 download)
Download or read book Comprehensive Coordination Chemistry III written by and published by Elsevier. This book was released on 2021-07-29 with total page 6948 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Coordination Chemistry III describes the fundamentals of metal-ligand interactions, provides an overview of the systematic chemistry of this class of compounds, and details their importance in life processes, medicine, industry and materials science. This new edition spans across 9 volumes, 185 entries and 6600 printed pages. Comprehensive Coordination Chemistry III is not just an update of the second edition, it includes a significant amount of new content. In the descriptive sections 3-6, emphasis is placed upon material that has appeared in primary and secondary review literature since the previous edition published. The material in other sections is newly written, with an emphasis on modern aspects of coordination chemistry and the latest developments. The metal-ligand interaction is the link between the award of the 1913 Nobel Prize in Chemistry to Alfred Werner, the father of Coordination Chemistry, the 1987 prize for supramolecular chemistry and the 2016 award for molecular machines. The key role of coordination chemistry in the assembly of hierarchical nano- and micro-dimensioned structures lies at the core of these applications and so this Major Reference Work bridges several sub-disciplines of chemistry, thus targeting a truly interdisciplinary audience. Provides the go-to foundational resource on coordination chemistry research, providing insights into future directions of the field Written and edited by renowned academics and practitioners from various fields and regions this authoritative and interdisciplinary work is of interest to a large audience, including coordination, supramolecular and molecular chemists Presents content that is clearly structured, organized and cross-referenced to allow students, researchers and professionals to find relevant information quickly and easily
Author : L. Sorin
Publisher : Springer Science & Business Media
ISBN 13 : 1461586909
Total Pages : 268 pages
Book Rating : 4.4/5 (615 download)
Download or read book Electron Spin Resonance of Paramagnetic Crystals written by L. Sorin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors of this contribution to the literature of resonance spectroscopy in paramagnetic systems are primarily concerned with the properties of the rare earth ions and, as such, the formal derivation of crystal field theory is set out in a manner which reflects this dominant interest. The ions of the 3d transition group are perhaps given too cursory a treatment in Chapter Two for those students of RF spectroscopy who have a somewhat less rare-earth oriented interest in the subject. Since the exam ples cited in the text do include some 3d transition ions, it is perhaps worthwhile in a preface of this sort to extend the broad theoretical concepts and group characteriza tion of Chapter Two to cover, in a somewhat more detailed manner, the derivation of the spin-Hamiltonian for this case. In Chapter Two, mention is made of the fact that for the 4f rare earth ions the spin orbit coupling energy is in general large compared to the crystal field influence of the surrounding ligand matrix. In such a case, the quantum number J is a good quantum number for the rare earth ion in question and the crystal field effects are taken into account within 1M, states. In this formulation, which is pursued in detail in this book, the effects of spin-orbit coupling have been taken care of at the very outset by the d~"ining of the 1M, states.
