Heteronuclear Metal-Metal Bonds

Heteronuclear Metal-Metal Bonds PDF Author: R.D. Adams
Publisher: Elsevier
ISBN: 9780080423173
Category : Science
Languages : en
Pages : 458

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Book Description
The number of organometallic compounds containing heteronuclear metal-metal bonds has grown tremendously in the last ten years. Also known as cluster compounds, these compounds have been found to exhibit a rich diversity of molecular structures and reactivities. Descriptions of the structures and transformations of the complexes are central features. Separate chapters have been prepared for compounds containing bonds between transition metals and the metals of the copper and zinc subgroups. Unlike COMC, this volume contains an entire chapter devoted to studies of heteronuclear metal compounds in catalysis.

Heteronuclear Metal-Metal Bonds

Heteronuclear Metal-Metal Bonds PDF Author: R.D. Adams
Publisher: Elsevier
ISBN: 9780080423173
Category : Science
Languages : en
Pages : 458

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Book Description
The number of organometallic compounds containing heteronuclear metal-metal bonds has grown tremendously in the last ten years. Also known as cluster compounds, these compounds have been found to exhibit a rich diversity of molecular structures and reactivities. Descriptions of the structures and transformations of the complexes are central features. Separate chapters have been prepared for compounds containing bonds between transition metals and the metals of the copper and zinc subgroups. Unlike COMC, this volume contains an entire chapter devoted to studies of heteronuclear metal compounds in catalysis.

Comprehensive Organometallic Chemistry II: Heteronuclear metal-metal bonds

Comprehensive Organometallic Chemistry II: Heteronuclear metal-metal bonds PDF Author:
Publisher:
ISBN:
Category : Organometallic chemistry
Languages : en
Pages : 0

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Book Description


Compounds Containing Heteronuclear Metal-metal Bonds

Compounds Containing Heteronuclear Metal-metal Bonds PDF Author: F. Gordon
Publisher:
ISBN:
Category : Chemistry, Inorganic
Languages : en
Pages :

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Book Description


Compounds Containing Heteronuclear Metal-Metal Bonds

Compounds Containing Heteronuclear Metal-Metal Bonds PDF Author: F. G. Stone
Publisher:
ISBN:
Category :
Languages : en
Pages : 24

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Book Description
This Report describes the synthesis and structural characterisation of several gold-ruthenium cluster compounds, as well as the discovery of the first trimetallic complexes containing the hexanuclear core structures MM'Ru4 (M = Ag, M' = Cu; M = Au, M' =Cu; M = Au, M' = Ag). Using variable temperature 31P-1H nuclear magnetic resonance spectroscopy we have observed polytopal rearrangements of these clusters in solution. Also described are new heteronuclear cluster compounds containing bonds between iridium and osmium or platinum. In a further study the first mixed-metal clusters involving osmium and platinum with interstitial carbido ligands are reported. Rational synthetic routes have been developed for preparing cluster compounds containing chains and rings of metal atoms in which the metal-metal bonds are bridged by alkylidyne groups. This work has led to the characterisation, via X-ray diffraction and n.m.r. studies, of novel compounds with core structures having eight metal atoms (Pt4W4 or Ni2Pt2W4) in a ring in the shape of a 'star'.

Comprehensive Organometallic Chemistry II

Comprehensive Organometallic Chemistry II PDF Author: E.W. Abel
Publisher: Pergamon
ISBN: 9780080406084
Category : Science
Languages : en
Pages : 0

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Book Description
. Covers the literature in depth from 1982-1994, thus building on the original nine volumes . 14 volume set . 8750 pages approx . Volumes 1-9 provide a detailed account of the organic chemistry of both main group and transition elements . Volume 10 deals with compounds containing heteronuclear metal-metal bonds . Volume 11 describes the use of main group organometallic compounds in organic synthesis . Volume 12 is devoted to the use of transition metal orgnometallic compounds in organic synthesis . Volume 13 consists of a comprehensive index of all organometallic structures studied by diffraction methods . Volume 14 contains subject and formula indexes covering Volumes 1-12

Transition Metal Carbonyl Cluster Chemistry

Transition Metal Carbonyl Cluster Chemistry PDF Author: Paul J. Dyson
Publisher: CRC Press
ISBN: 1482283077
Category : Science
Languages : en
Pages : 180

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Book Description
Transition metal carbonyl clusters (TMCCs) continue to inspire great interest in chemical research, as much for their fascinating structures as for potential industrial applications conferred by their unique properties. This highly accessible book introduces the bonding, structure, spectroscopic properties, and characterization of clusters, and then explores their synthesis, reactivity, reaction mechanisms and use in organic synthesis and catalysis. Transition Metal Carbonyl Cluster Chemistry describes models and rules that correlate cluster structure with electron count, which are then applied in worked examples. Subsequent chapters explain how bonding relates to molecular structure, demonstrate the use of spectroscopic techniques such as NMR, IR and MS in cluster chemistry, and outline the factors contributing to the stability, dynamics and reactivity of clusters. The second part of this book discusses the synthesis and applications of TMCCs. It emphasizes the differences between the reactivities of clusters vs. mononuclear metal complexes, contingent to the availability of multiple-bonding sites and heterosite reactivity. The final chapters discuss reactions in which clusters act as homogeneous catalysts; including discussion on the use of solid and biphasic liquid-liquid supported clusters in heterogeneous catalysts. A useful reference for those commencing further research or post-graduate study on metal carbonyl clusters and advanced organometallic chemistry, this book is also a cornerstone addition to academic and libraries as well as private collections.

Synthesis and Characterization of Multiply Bonded Heterobimetallic Complexes

Synthesis and Characterization of Multiply Bonded Heterobimetallic Complexes PDF Author: Christopher Alan James
Publisher:
ISBN:
Category : Metal-metal bonds
Languages : en
Pages : 334

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Book Description


Metal-Metal Bonds and Clusters in Chemistry and Catalysis

Metal-Metal Bonds and Clusters in Chemistry and Catalysis PDF Author: John P. Fackler Jr.
Publisher: Springer Science & Business Media
ISBN: 1489924922
Category : Science
Languages : en
Pages : 344

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Book Description
This book contains a series of papers and abstracts from the 7th Industry-University Cooperative Chemistry Program symposium held in the spring of 1989 at Texas A&M University. The symposium was larger than previous IUCCP symposia since it also celebrated the 25 years that had elapsed since the initial discovery by F. A. Cotton and his co-workers of the existence of metal-metal quadruple bonds. Cotton's discovery demonstrated that multiple bonding in inorganic systems is not governed by the same constraints observed in organic chemistry regarding s and p orbital involvement. The d orbitals are involved in the multiple bonding description. The quadruple bond involves considerable d orbital overlap between adjacent metal centers. Part I of this series of papers focuses upon the impact of this discovery and describes further contributions to the development of the field. Multiple metal-metal bonding now is known to permeate broad areas of transition metal chemistry. The understanding of metal-metal bonding that developed as a result of the discovery of multiple metal-metal bonding awakened a new chemistry involving metal clusters. Clusters were defined by Cotton to be species containing metal-metal bonding. Clusters in catalysis therefore seemed a logical grouping of papers in this symposium. Clusters play an every increasing role in the control of chemical reactions. Part II of this book describes some of the interesting new developments in this field. In Part III the papers examine the role clusters play in describing and understanding solid state materials.

Chemical Bonding at Surfaces and Interfaces

Chemical Bonding at Surfaces and Interfaces PDF Author: Anders Nilsson
Publisher: Elsevier
ISBN: 0080551912
Category : Science
Languages : en
Pages : 533

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Book Description
Molecular surface science has made enormous progress in the past 30 years. The development can be characterized by a revolution in fundamental knowledge obtained from simple model systems and by an explosion in the number of experimental techniques. The last 10 years has seen an equally rapid development of quantum mechanical modeling of surface processes using Density Functional Theory (DFT). Chemical Bonding at Surfaces and Interfaces focuses on phenomena and concepts rather than on experimental or theoretical techniques. The aim is to provide the common basis for describing the interaction of atoms and molecules with surfaces and this to be used very broadly in science and technology. The book begins with an overview of structural information on surface adsorbates and discusses the structure of a number of important chemisorption systems. Chapter 2 describes in detail the chemical bond between atoms or molecules and a metal surface in the observed surface structures. A detailed description of experimental information on the dynamics of bond-formation and bond-breaking at surfaces make up Chapter 3. Followed by an in-depth analysis of aspects of heterogeneous catalysis based on the d-band model. In Chapter 5 adsorption and chemistry on the enormously important Si and Ge semiconductor surfaces are covered. In the remaining two Chapters the book moves on from solid-gas interfaces and looks at solid-liquid interface processes. In the final chapter an overview is given of the environmentally important chemical processes occurring on mineral and oxide surfaces in contact with water and electrolytes. Gives examples of how modern theoretical DFT techniques can be used to design heterogeneous catalysts This book suits the rapid introduction of methods and concepts from surface science into a broad range of scientific disciplines where the interaction between a solid and the surrounding gas or liquid phase is an essential component Shows how insight into chemical bonding at surfaces can be applied to a range of scientific problems in heterogeneous catalysis, electrochemistry, environmental science and semiconductor processing Provides both the fundamental perspective and an overview of chemical bonding in terms of structure, electronic structure and dynamics of bond rearrangements at surfaces

Molecular Metal-Metal Bonds

Molecular Metal-Metal Bonds PDF Author: Stephen T. Liddle
Publisher: John Wiley & Sons
ISBN: 3527673385
Category : Science
Languages : en
Pages : 592

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Book Description
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.