Download or read book Synthesis Structure Magnetism and Coordination Chemistry of Some Self Assembled Polynuclear Clusters and Grids of First Row Transition Metal Ions Derived from Polytopic Hydrazone Ligands written by S. M. Tareque Abedin and published by . This book was released on 2007 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Synthesis Structural and Magnetic Properties of High Nuclearity Self assembled Cluster Complexes written by Liang Zhao and published by . This book was released on 2001 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lanthanide Single Molecule Magnets written by Jinkui Tang and published by Springer. This book was released on 2015-04-24 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book begins by providing basic information on single-molecule magnets (SMMs), covering the magnetism of lanthanide, the characterization and relaxation dynamics of SMMs and advanced means of studying lanthanide SMMs. It then systematically introduces lanthanide SMMs ranging from mononuclear and dinuclear to polynuclear complexes, classifying them and highlighting those SMMs with high barrier and blocking temperatures – an approach that provides some very valuable indicators for the structural features needed to optimize the contribution of an Ising type spin to a molecular magnet. The final chapter presents some of the newest developments in the lanthanide SMM field, such as the design of multifunctional and stimuli-responsive magnetic materials as well as the anchoring and organization of the SMMs on surfaces. In addition, the crystal structure and magnetic data are clearly presented with a wealth of illustrations in each chapter, helping newcomers and experts alike to better grasp ongoing trends and explore new directions. Jinkui Tang is a professor at Changchun Institute of Applied Chemistry, Chinese Academy of Sciences. Peng Zhang is currently pursuing his PhD at Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, with a specific focus on the molecular magnetism of lanthanide compounds under the supervision of Prof. Jinkui Tang.
Download or read book The Synthesis and Coordination Chemistry of Two Families of Polydentate Ligands Exploring Their Potential for the Preparation of Molecule Based Magnets written by NILOOFAR. ZARRABI and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Employing Crystal Engineering Principles to Fabricate Zero to Three Dimensional 4f based Metal Aggregates using O Donor Ligands written by Zeeshan Majeed and published by Cuvillier Verlag. This book was released on 2013-02-08 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in lanthanide (Ln) coordination chemistry has increased significantly over the past few years, in particular as a result of their intriguing spectral and magnetic properties. LnIII ions are “hard acids” and generally prefer to coordinate with “hard bases” such as O- and F-donor ligands. Their coordination geometries are usually determined by ligand steric factors rather than crystal field effects. The research described in this dissertation mainly focuses on the interaction of LnIII ions with O-donor ligands such as carboxylates and polyols, while aiming to synthesize Ln-based polynuclear coordination compounds having interesting magnetic properties. Moreover, investigation of the influence of ligand back-bone on the magneto-structural properties of the resulting compounds was explored. Consequently some novel and efficient one-pot synthetic methodologies have been successfully developed to prepare Ln-based polynuclear clusters as well as networks of various dimensionalities, displaying exciting magnetic properties. Also correlations between structural parameters and magnetic properties have been established. The resulting compounds were characterized in detail using analytical methods like FT-IR, elemental analysis, single crystal XRD, powder XRD, and magnetic SQUID measurements. The first approach, based upon a systematic study of Ln-carboxylate chemistry, has led to the isolation of two 1D chains possessing single chain magnet (SCM) properties, a 2D honeycomb network, two chiral metal-organic frameworks (MOFs) and one porous MOF showing slow relaxation of the magnetisation. This study has increased the understanding of the self-assembly processes of LnIII ions under the influence of various aliphatic as well as aromatic carboxylate ligands. The second approach relies upon introducing an additional polyol ligand into the Lncarboxylate system, in order to investigate further the magneto-structural variations of the binary ligand system. This led to a variety of discrete molecular clusters ranging in nuclearity from 3 to 26, exhibiting SMM behavior. In addition to this, two 1D polymers with the highest energy barriers to reversal of the magnetization found for 4f-based single chain magnets reported so far and a 2D honeycomb network showing slow relaxation of its magnetization have been characterized. The third approach aimed to incorporate an additional metal ion, such as MnII, into the Ln-polyol-carboxylate system, thereby synthesizing heterometallic complexes with interesting magnetic properties. This resulted in a series of mixed-valent heterometallic decanuclear clusters exhibiting SMM behavior. Finally, the organic polyol ligand was replaced with a purely inorganic polyoxometalate anion, in order to synthesize some organic/inorganic hybrid materials with novel magnetic properties. This resulted in a series of polynuclear aggregates some of which show SMM behavior.
Download or read book Cluster Chemistry written by Guillermo Gonzalez-Moraga and published by Springer Science & Business Media. This book was released on 2013-11-09 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cluster chemistry is one of the recent, exciting areas of Inorganic Chemistry. The occurence of molecular clusters, like fullerene C60, constitutes a fundamental feature midway between the chemistry of isolated chemical compounds and that of the elements. Main features of the Cluster Chemistry of both main group and transition metal elements are treated in this book. The author highlights aspects releated to the synthesis, the structure, the special bonding and the reactivity of these species. The book is written as a textbook for senior undergraduate and postgraduate students. References in tables andillustrations permit the reader to reach relevant original information. Professor Gonzalez-Moraga fills a demand for a publication appropriate for dissemination and specially for teaching this exciting subject. From the Contents: Current Concepts in Modern Chemistry - Transition Metal Cluster Chemistry - Main Group-Transition Metal Mixed Clusters - Cluster Compounds of the Main Group Elements - Synthetic Analogues of the Active Sites of Iron-Sulfur Proteins.
Download or read book Investigation of Structural and Magnetic Properties of First and Second Row Transition Metals with N N N and S N S Pincer type Ligands written by Sarah Ouanounou and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coordination Polymers written by Stuart R. Batten and published by Royal Society of Chemistry. This book was released on 2009 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of coordination polymer research is now vast, & one of the fastest growing areas of chemistry in recent times, with important work being done on a variety of different aspects. This book provides a broad overview of all the major facets of modern coordination polymer science in the one place.
Download or read book Complexation Reactions of Some Poly n topic Ligands Towards Large n n Square Grids n written by Andrew Elliott and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The coordination chemistry of a series of poly-n-topic pyrimidine, pyridazine, benzothiazole and triazole based ligands was studied. The ligands were designed with donor pocket arrangements which have the potential to form self-assembled multimetallic [n×n] grids. Such assemblies can exhibit interesting magnetic and redox properties, and have potential application in data storage at the molecular level. Ligand synthetic strategies and synthetic methods will be discussed and typical grid complexes described. Reactions with Mn(II), Ni(II), Co(II), and Cu(II) were attempted and the products characterized by X-ray and variable temperature magnetism. Antiferromagnetism typically dominates the magnetic behaviour in such systems, but in the cases of some [2×2] Cu(II)4 square grids ferromagnetic behaviour was observed, which was attributed to the strict magnetic orbital orthogonality, resulting from the orientation of the Jahn-Teller axes in the grid.
Download or read book Cage Metal Complexes written by Yan Voloshin and published by Springer. This book was released on 2017-05-11 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fundamental book presents the most comprehensive summary of the current state in chemistry of cage metal complexes. After their previous book “The Encapsulation Phenomenon” (www.springer.com/978-3-319-27737-0) the authors in this book focus on the encapsulation of metal ions by different types of three-dimensional mono- and polynucleating caging ligands. Within these cage metal complexes, (metal) ions can be isolated from external factors. The book provides both a classification of the cage compounds and summaries of synthetic approaches. On that basis the authors then describe the unique chemical and physical properties and the resulting reactivity of the cage compounds, as well as practical and potential applications as potent topological drugs and prodrugs, antifibrillogenic agents, radiodiagnostic and radiotherapeutic compounds, paramagnetic probes, single-molecule magnets, electrocatalysts for hydrogen production, (photo)electronic devices, and many more. Readers will find a well-structured and concise overview, with particular emphasis on a review of synthesis and reactivity of various cage metal complexes, summarizing over 400 literature references, clearly presented in over 300 color schemes and figures.
Download or read book Chemistry of Polymeric Metal Chelates written by Gulzhian I. Dzhardimalieva and published by Springer. This book was released on 2018-02-13 with total page 1036 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the chemistry of polymeric metal chelates. The main results and the production and chemical structure of polymers with chelate units as well as the specificity of metal complex binding of different structure are presented here. This book also reveals the transformations which components undergo in the course of chelation. Special attention is paid not only to synthetic but also to natural (including living) systems. The usage of polymeric metal chelates and their development are examined. The related research was performed for chelates with chain structure. This book is useful to researchers being active in synthesis and design of macromolecular metal chelates
Download or read book Accurate Structure Determination of Free Molecules written by Jean Demaison and published by Springer Nature. This book was released on 2020-12-02 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a detailed look at experimental and computational techniques for accurate structure determination of free molecules. The most fundamental property of a molecule is its structure – it is a prerequisite for determining and understanding most other important properties of molecules. The determination of accurate structures is hampered by a myriad of factors, subjecting the collected data to non-negligible systematic errors. This book explains the origin of these errors and how to mitigate and even avoid them altogether. It features a detailed comparison of the different experimental and computation methods, explaining their interplay and the advantages of their combined use. Armed with this information, the reader will be able to choose the appropriate methods to determine – to a great degree of accuracy – the relevant molecular structure.
Download or read book Lanthanide Luminescence written by Pekka Hänninen and published by Springer Science & Business Media. This book was released on 2011-06-21 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lanthanides have fascinated scientists for more than two centuries now, and since efficient separation techniques were established roughly 50 years ago, they have increasingly found their way into industrial exploitation and our everyday lives. Numerous applications are based on their unique luminescent properties, which are highlighted in this volume. It presents established knowledge about the photophysical basics, relevant lanthanide probes or materials, and describes instrumentation-related aspects including chemical and physical sensors. The uses of lanthanides in bioanalysis and medicine are outlined, such as assays for in vitro diagnostics and research. All chapters were compiled by renowned scientists with a broad audience in mind, providing both beginners in the field and advanced researchers with comprehensive information on on the given subject.
Download or read book Frontiers in Crystal Engineering written by Edward R. T. Tiekink and published by John Wiley & Sons. This book was released on 2006-05-01 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Crystal engineering - where the myriad of intermolecular forces operating in the solid-state are employed to design new nano- and functional materials - is a key new technology with implications for catalysis, pharmaceuticals, synthesis and materials science. Frontiers in Crystal Engineering gathers personal perspectives, from international specialists working in molecular aspects of crystal engineering, on the practical and theoretical challenges of the discipline, and future prospects. These demonstrate the approaches that are being used to tackle the problems associated with the complexity, design and functionality of crystalline molecular solids. Topics include * how intermolecular forces direct and sustain crystal structures * functional engineering and design elements * coordination polymers and network structures * applications in green and pharmaceutical chemistry Frontiers in Crystal Engineering is a useful guide to this exciting new discipline for both entrants to the field as well as established practitioners, and for those working in crystallography, medicinal and pharmaceutical sciences, solid-state chemistry, and materials and nanotechnology.
Download or read book Medicinal Inorganic Chemistry written by Jonathan L. Sessler and published by . This book was released on 2005 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the current diagnostic and therapeutic uses of metal-containing compounds in medicine, as well as the role of metals in disease.
Download or read book Molecular Materials written by Duncan W. Bruce and published by John Wiley & Sons. This book was released on 2011-04-04 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: “... the book does an excellent job of putting together several different classes of materials. Many common points emerge, and the book may facilitate the development of hybrids in which the qualities of the “parents” are enhanced.” –Angew. Chem. Int. Ed. 2011 With applications in optoelectronics and photonics, quantum information processing, nanotechnology and data storage, molecular materials enrich our daily lives in countless ways. These materials have properties that depend on their exact structure, the degree of order in the way the molecules are aligned and their crystalline nature. Small, delicate changes in molecular structure can totally alter the properties of the material in bulk. There has been increasing emphasis on functional metal complexes that demonstrate a wide range of physical phenomena. Molecular Materials represents the diversity of the area, encapsulating magnetic, optical and electrical properties, with chapters on: Metal-Based Quadratic Nonlinear Optical Materials Physical Properties of Metallomesogens Molecular Magnetic Materials Molecular Inorganic Conductors and Superconductors Molecular Nanomagnets Structured to include a clear introduction, a discussion of the basic concepts and up-to-date coverage of key aspects, each chapter provides a detailed review which conveys the excitement of work in that field. Additional volumes in the Inorganic Materials Series: Low-Dimensional Solids | Molecular Materials | Porous Materials | Energy Materials
Download or read book Metal Organic Frameworks written by Leonard R. MacGillivray and published by John Wiley & Sons. This book was released on 2010-12-17 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal-organic frameworks represent a new class of materials that may solve the hydrogen storage problem associated with hydrogen-fueled vehicles. In this first definitive guide to metal-organic framework chemistry, author L. MacGillivray addresses state-of-art developments in this promising technology for alternative fuels. Providing professors, graduate and undergraduate students, structural chemists, physical chemists, and chemical engineers with a historical perspective, as well as the most up-to-date developments by leading experts, Metal-Organic Frameworks examines structure, symmetry, supramolecular chemistry, surface engineering, metal-organometallic frameworks, properties, and reactions.
