Reactivity And Electronic Structures Of Uranium Complexes With Nitrogen And Oxygen Donors In Axial Symmetries

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Reactivity and Electronic Structures of Uranium Complexes with Nitrogen and Oxygen Donors in Axial Symmetries

Author : Kimberly C. Mullane
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (133 download)

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Book Synopsis Reactivity and Electronic Structures of Uranium Complexes with Nitrogen and Oxygen Donors in Axial Symmetries by : Kimberly C. Mullane

Download or read book Reactivity and Electronic Structures of Uranium Complexes with Nitrogen and Oxygen Donors in Axial Symmetries written by Kimberly C. Mullane and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of the ligand field are generally on the same order of magnitude as spin-orbit coupling for uranium complexes. However, significant impacts on the electronic structure, reactivity, and stability of uranium complexes have been observed as a result of changing the ligand framework. In the work presented here, uranium complexes in a variety of ligand frameworks are synthesized, and their unique electronic structures and reactivities are studied. Uranium imido complexes with varying substitution at the imido nitrogen are contrasted with uranium oxo complexes, showing that their ability to impart an inverse trans influence, a thermodynamic phenomenon in which strong donor ligands gain stability from trans axial geometries, was comparable. We also synthesized uranium complexes with a weakly donating phosphino-anilide ancillary ligand. This ligand stabilized the uranium (III/IV) couple and allowed the synthesis of a rare uranium (IV) parent imido moiety. In contrast, the bis(trimethysilyl)amide ligand framework resulted in more reducing complexes and afforded reactivity in which reactive amide radical anions could be stabilized, and other carbonyl functional groups were reduced. In this same ancillary ligand framework, we synthesized uranium (VI) oxo phenyl(acetylide) complexes and observed that distal para aryl substituents could affect covalency in U-C bonding.

Energy Research Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1978 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Multinuclear NMR

Author : J. Mason
Publisher : Springer Science & Business Media
ISBN 13 : 1461317835
Total Pages : 642 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Multinuclear NMR by : J. Mason

Download or read book Multinuclear NMR written by J. Mason and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the power and range of modern pulse spectrometers the compass of NMR spec troscopy is now very large for a single book-but we have undertaken this. Our book covers the Periodic Table as multinuclear spectrometers do, and introductory chapters are devoted to the essentials of the NMR experiment and its products. Primary products are chemical shifts (including anisotropies), spin-spin coupling constants, and relaxation times; the ultimate product is a knowledge of content and constitution, dynamic as well as static. Our province is chemical and biochemical rather than physical or technical; only passing reference is made to metallic solids or unstable species, or to practical NMR spectroscopy. Our aim is depth as well as breadth, to explain the fundamental processes, whether of nuclear magnetic shielding, spin-spin coupling, relaxation, or the multiple pulse sequences that have allowed the development of high-resolution studies of solids, multidimensional NMR spectroscopy, techniques for sensitivity enhancement, and so on. This book therefore combines the functions of advanced textbook and reference book. For reasonably comprehensive coverage in a single volume we have sum marized the information in tables and charts, and included all leading references.

Structural Chemistry of Inorganic Actinide Compounds

Author : Sergey Krivovichev
Publisher : Elsevier
ISBN 13 : 0080467911
Total Pages : 505 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Structural Chemistry of Inorganic Actinide Compounds by : Sergey Krivovichev

Download or read book Structural Chemistry of Inorganic Actinide Compounds written by Sergey Krivovichev and published by Elsevier. This book was released on 2006-12-08 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural Chemistry of Inorganic Actinide Compounds is a collection of 13 reviews on structural and coordination chemistry of actinide compounds. Within the last decade, these compounds have attracted considerable attention because of their importance for radioactive waste management, catalysis, ion-exchange and absorption applications, etc. Synthetic and natural actinide compounds are also of great environmental concern as they form as a result of alteration of spent nuclear fuel and radioactive waste under Earth surface conditions, during burn-up of nuclear fuel in reactors, represent oxidation products of uranium miles and mine tailings, etc. The actinide compounds are also of considerable interest to material scientists due to the unique electronic properties of actinides that give rise to interesting physical properties controlled by the structural architecture of respective compounds. The book provides both general overview and review of recent developments in the field, including such emergent topics as nanomaterials and nanoparticles and their relevance to the transfer of actinides under environmental conditions. * Covers over 2,000 actinide compounds including materials, minerals and coordination polymers* Summarizes recent achievements in the field* Some chapters reveal (secret) advances made by the Soviet Union during the 'Cold war'

Lanthanides and Actinides in Molecular Magnetism

Author : Richard A. Layfield
Publisher : John Wiley & Sons
ISBN 13 : 3527673504
Total Pages : 368 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Lanthanides and Actinides in Molecular Magnetism by : Richard A. Layfield

Download or read book Lanthanides and Actinides in Molecular Magnetism written by Richard A. Layfield and published by John Wiley & Sons. This book was released on 2015-01-20 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first reference on this rapidly growing topic provides an essential up-to-date guide to current and emerging trends. A group of international experts has been carefully selected by the editors to cover all the central aspects, with a focus on molecular species while also including industrial applications. The resulting unique overview is a must-have for researchers, both in academia and industry, who are entering or already working in the field.

Chemistry of Uranium

Author : Joseph Jacob Katz
Publisher :
ISBN 13 :
Total Pages : 448 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Chemistry of Uranium by : Joseph Jacob Katz

Download or read book Chemistry of Uranium written by Joseph Jacob Katz and published by . This book was released on 1958 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Molecular Metal-Metal Bonds

Author : Stephen T. Liddle
Publisher : John Wiley & Sons
ISBN 13 : 3527335412
Total Pages : 590 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Molecular Metal-Metal Bonds by : Stephen T. Liddle

Download or read book Molecular Metal-Metal Bonds written by Stephen T. Liddle and published by John Wiley & Sons. This book was released on 2015-06-22 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systematically covering all the latest developments in the field, this is a comprehensive and handy introduction to metal-metal bonding. The chapters follow a uniform, coherent structure for a clear overview, allowing readers easy access to the information. The text covers such topics as synthesis, properties, structures, notable features, reactivity and examples of applications of the most important compounds in each group with metal-metal bonding throughout the periodic table. With its general remarks at the beginning of each chapter, this is a must-have reference for all molecular inorganic chemists, including PhD students and postdocs, as well as more experienced researchers.

Metal-Ligand Multiple Bonds

Author : William A. Nugent
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Metal-Ligand Multiple Bonds by : William A. Nugent

Download or read book Metal-Ligand Multiple Bonds written by William A. Nugent and published by Wiley-Interscience. This book was released on 1988-11-14 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only comprehensive one-volume text/reference on metal-ligand multiple bonds. Stresses the unified nature of the field and includes handy new tabulations of data. The flow within each subtopic is oxygen to nitrogen to carbon. Coverage is up-to-date--virtually every subtopic leads to interesting questions for future research. Presents information otherwise scattered through hundreds of publications.

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1969 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Supramolecular Chemistry in the 3rd Millennium

Author : Catherine E. Housecroft
Publisher : MDPI
ISBN 13 : 3036514635
Total Pages : 264 pages
Book Rating : 4.0/5 (365 download)

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Book Synopsis Supramolecular Chemistry in the 3rd Millennium by : Catherine E. Housecroft

Download or read book Supramolecular Chemistry in the 3rd Millennium written by Catherine E. Housecroft and published by MDPI. This book was released on 2021-08-18 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue is one of the first for the new MDPI flagship journal Chemistry (ISSN 2624-8549) which has a broad remit for publishing original research in all areas of chemistry. The theme of this issue is Supramolecular Chemistry in the 3rd Millennium and I am sure that this topic will attract many exciting contributions. We chose this topic because it encompasses the unity of contemporary pluridisciplinary science, in which organic, inorganic, physical and theoretical chemists work together with molecular biologists and physicists to develop a systems-level understanding of molecular interactions. The description of supramolecular chemistry as 'chemistry beyond the molecule' (Jean-Marie Lehn, Nobel Lecture and Gautam R. Desiraju, Nature, 2001, 412, 397) addresses the wide variety of weak, non-covalent interactions that are the basis for the assembly of supramolecular architectures, molecular receptors and molecular recognition, programed molecular systems, dynamic combinatorial libraries, coordination networks and functional supramolecular materials. We welcome submissions from all disciplines involved in this exciting and evolving area of science.

Mesenchymal Stem Cell Derived Exosomes

Author : Yaoliang Tang
Publisher : Academic Press
ISBN 13 : 0128004975
Total Pages : 287 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Mesenchymal Stem Cell Derived Exosomes by : Yaoliang Tang

Download or read book Mesenchymal Stem Cell Derived Exosomes written by Yaoliang Tang and published by Academic Press. This book was released on 2015-09-02 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mesenchymal stem cell-derived exosomes are at the forefront of research in two of the most high profile and funded scientific areas – cardiovascular research and stem cells. Mesenchymal Stem Cell Derived Exosomes provides insight into the biofunction and molecular mechanisms, practical tools for research, and a look toward the clinical applications of this exciting phenomenon which is emerging as an effective diagnostic. Primarily focused on the cardiovascular applications where there have been the greatest advancements toward the clinic, this is the first compendium for clinical and biomedical researchers who are interested in integrating MSC-derived exosomes as a diagnostic and therapeutic tool. Introduces the MSC-exosome mediated cell-cell communication Covers the major functional benefits in current MSC-derived exosome studies Discusses strategies for the use of MSC-derived exosomes in cardiovascular therapies

Introduction to Structural Chemistry

Author : Stepan S. Batsanov
Publisher : Springer Science & Business Media
ISBN 13 : 9400747713
Total Pages : 548 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Introduction to Structural Chemistry by : Stepan S. Batsanov

Download or read book Introduction to Structural Chemistry written by Stepan S. Batsanov and published by Springer Science & Business Media. This book was released on 2012-11-29 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: A concise description of models and quantitative parameters in structural chemistry and their interrelations, with 280 tables and >3000 references giving the most up-to-date experimental data on energy characteristics of atoms, molecules and crystals (ionisation potentials, electron affinities, bond energies, heats of phase transitions, band and lattice energies), optical properties (refractive index, polarisability), spectroscopic characteristics and geometrical parameters (bond distances and angles, coordination numbers) of substances in gaseous, liquid and solid states, in glasses and melts, for various thermodynamic conditions. Systems of metallic, covalent, ionic and van der Waals radii, effective atomic charges and other empirical and semi-empirical models are critically revised. Special attention is given to new and growing areas: structural studies of solids under high pressures and van der Waals molecules in gases. The book is addressed to researchers, academics, postgraduates and advanced-course students in crystallography, materials science, physical chemistry of solids.

The Organometallic Chemistry of the Transition Metals

Author : Robert H. Crabtree
Publisher : John Wiley & Sons
ISBN 13 : 0471718750
Total Pages : 600 pages
Book Rating : 4.4/5 (717 download)

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Book Synopsis The Organometallic Chemistry of the Transition Metals by : Robert H. Crabtree

Download or read book The Organometallic Chemistry of the Transition Metals written by Robert H. Crabtree and published by John Wiley & Sons. This book was released on 2005-06-14 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fully updated and expanded to reflect recent advances, this Fourth Edition of the classic text provides students and professional chemists with an excellent introduction to the principles and general properties of organometallic compounds, as well as including practical information on reaction mechanisms and detailed descriptions of contemporary applications.

Transition State Modeling for Catalysis

Author : Donald G. Truhlar
Publisher :
ISBN 13 :
Total Pages : 556 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Transition State Modeling for Catalysis by : Donald G. Truhlar

Download or read book Transition State Modeling for Catalysis written by Donald G. Truhlar and published by . This book was released on 1999 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the latest research on the applications of computational chemistry, computational biochemistry, and computational physics to the new field of direct modeling of transition states for catalytic reactions. It includes all types of catalysts: organometals, metals and metalloids, metal oxides and zeolites, and enzymes.

Essentials of Computational Chemistry

Author : Christopher J. Cramer
Publisher : John Wiley & Sons
ISBN 13 : 1118712277
Total Pages : 624 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Essentials of Computational Chemistry by : Christopher J. Cramer

Download or read book Essentials of Computational Chemistry written by Christopher J. Cramer and published by John Wiley & Sons. This book was released on 2013-04-29 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Essentials of Computational Chemistry provides a balanced introduction to this dynamic subject. Suitable for both experimentalists and theorists, a wide range of samples and applications are included drawn from all key areas. The book carefully leads the reader thorough the necessary equations providing information explanations and reasoning where necessary and firmly placing each equation in context.

Phosphorus(III)Ligands in Homogeneous Catalysis

Author : Paul C. J. Kamer
Publisher : John Wiley & Sons
ISBN 13 : 1118299701
Total Pages : 673 pages
Book Rating : 4.1/5 (182 download)

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Book Synopsis Phosphorus(III)Ligands in Homogeneous Catalysis by : Paul C. J. Kamer

Download or read book Phosphorus(III)Ligands in Homogeneous Catalysis written by Paul C. J. Kamer and published by John Wiley & Sons. This book was released on 2012-05-09 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last 60 years the increasing knowledge of transition metal chemistry has resulted in an enormous advance of homogeneous catalysis as an essential tool in both academic and industrial fields. Remarkably, phosphorus(III) donor ligands have played an important role in several of the acknowledged catalytic reactions. The positive effects of phosphine ligands in transition metal homogeneous catalysis have contributed largely to the evolution of the field into an indispensable tool in organic synthesis and the industrial production of chemicals. This book aims to address the design and synthesis of a comprehensive compilation of P(III) ligands for homogeneous catalysis. It not only focuses on the well-known traditional ligands that have been explored by catalysis researchers, but also includes promising ligand types that have traditionally been ignored mainly because of their challenging synthesis. Topics covered include ligand effects in homogeneous catalysis and rational catalyst design, P-stereogenic ligands, calixarenes, supramolecular approaches, solid phase synthesis, biological approaches, and solubility and separation. Ligand families covered in this book include phosphine, diphosphine, phosphite, diphosphite, phosphoramidite, phosphonite, phosphinite, phosphole, phosphinine, phosphinidenene, phosphaalkenes, phosphaalkynes, P-chiral ligands, and cage ligands. Each ligand class is accompanied by detailed and reliable synthetic procedures. Often the rate limiting step in the application of ligands in catalysis is the synthesis of the ligands themselves, which can often be very challenging and time consuming. This book will provide helpful advice as to the accessibility of ligands as well as their synthesis, thereby allowing researchers to make a more informed choice. Phosphorus(III) Ligands in Homogeneous Catalysis: Design and Synthesis is an essential overview of this important class of catalysts for academic and industrial researchers working in catalyst development, organometallic and synthetic chemistry.

Single-Molecule Magnets

Author : Malgorzata Holynska
Publisher : John Wiley & Sons
ISBN 13 : 3527343210
Total Pages : 448 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Single-Molecule Magnets by : Malgorzata Holynska

Download or read book Single-Molecule Magnets written by Malgorzata Holynska and published by John Wiley & Sons. This book was released on 2019-02-11 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concise overview of synthesis and characterization of single molecule magnets Molecular magnetism is explored as an alternative to conventional solid-state magnetism as the basis for ultrahigh-density memory materials with extremely fast processing speeds. In particular single-molecule magnets (SMM) are in the focus of current research, both because of their intrinsic magnetization properties, as well as because of their potential use in molecular spintronic devices. SMMs are fascinating objects on the example of which one can explain many concepts. Single-Molecule Magnets: Molecular Architectures and Building Blocks for Spintronics starts with a general introduction to single-molecule magnets (SMM), which helps readers to understand the evolution of the field and its future. The following chapters deal with the current synthetic methods leading to SMMs, their magnetic properties and their characterization by methods such as high-field electron paramagnetic resonance, paramagnetic nuclear magnetic resonance, and magnetic circular dichroism. The book closes with an overview of radical-bridged SMMs, which have shown application potential as building blocks for high-density memories. Covers a hot topic – single-molecule magnetism is one of the fastest growing research fields in inorganic chemistry and materials science Provides researchers and newcomers to the field with a solid foundation for their further work Single-Molecule Magnets: Molecular Architectures and Building Blocks for Spintronics will appeal to inorganic chemists, materials scientists, molecular physicists, and electronics engineers interested in the rapidly growing field of study.