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Aromaticity in Bridged Biphenyls Containing Metallic Elements

Aromaticity in Bridged Biphenyls Containing Metallic Elements Book
Author : James Michael Gaidis
Publisher : Unknown
Release : 1967
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Aromaticity in Bridged Biphenyls Containing Metallic Elements book written by James Michael Gaidis, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Aromaticity

Aromaticity Book
Author : Israel Fernandez
Publisher : Elsevier
Release : 2021-05-16
ISBN : 0128227435
Language : En, Es, Fr & De

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Book Description :

Evaluating the aromaticity of a molecular system and the influence of this concept on its properties is a crucial step in the development of novel aromatic systems. Modern computational methods can provide researchers with a high level of insight into such aromaticity, but identifying the most appropriate method for assessing a specific system can prove difficult. Aromaticity: Modern Computational Methods and Applications reviews the latest state-of-the-art computational methods in this field and discusses their applicability for evaluating the aromaticity of a system. In addition to covering aromaticity for typical organic molecules, this volume also explores systems possessing transition metals in their structures, macrocycles and even transition structures. The influence of the aromaticity on the properties of these species (including the structure, magnetic properties and reactivity) is highlighted, along with potential applications in fields including materials science and medicinal chemistry. Finally, the controversial and fuzzy nature of aromaticity as a concept is discussed, providing the basis for an updated and more comprehensive definition of this concept. Drawing on the knowledge of an international team of experts, Aromaticity: Modern Computational Methods and Applications is a unique guide for anyone researching, studying or applying principles of aromaticity in their work, from computational and organic chemists to pharmaceutical and materials scientists. Reviews a range of computational methods to assess the aromatic nature of different compounds, helping readers select the most useful tool for the system they are studying Presents a complete guide to the key concepts and fundamental principles of aromaticity Provides guidance on identifying which variables should be modified to tune the properties of an aromatic system for different potential applications

Aromaticity in Heterocyclic Compounds

Aromaticity in Heterocyclic Compounds Book
Author : Tadeusz Marek Krygowski,Michal Ksawery Cyranski
Publisher : Springer Science & Business Media
Release : 2009-01-30
ISBN : 3540683291
Language : En, Es, Fr & De

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Book Description :

Heterocyclic chemistry is the biggest branch of chemistry covering two-thirds of the chemical literature. Aromaticity in Heterocyclic Compounds covers hot topics of frontier research summarized by reputed scientists in the field.

Aromaticity and Metal Clusters

Aromaticity and Metal Clusters Book
Author : Pratim Kumar Chattaraj
Publisher : CRC Press
Release : 2010-10-15
ISBN : 9781439813355
Language : En, Es, Fr & De

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Book Description :

Metal clusters, an intermediate state between molecules and the extended solid, show peculiar bonding and reactivity patterns. Their significance is critical to many areas, including air pollution, interstellar matter, clay minerals, photography, catalysis, quantum dots, and virus crystals. In Aromaticity and Metal Clusters, dozens of international experts explore not only the basic aspects of aromaticity, but also the structures, properties, reactivity, stability, and other consequences of the aromaticity of a variety of metal clusters. Although the concept of aromaticity has been known for nearly two centuries, there is no way to measure it experimentally and no theoretical formula to calculate it. In order to gain insight into its exact nature, the authors of this volume examine various indirect characteristics such as geometrical, electronic, magnetic, thermodynamic, and reactivity considerations. The book begins by discussing the evolution of aromaticity from benzene to atomic clusters. Next, more specialized chapters focus on areas of significant interest. Topics discussed include: Computational studies on molecules with unusual aromaticity Electronic shells and magnetism in small metal clusters A density functional investigation on the structures, energetics, and properties of sodium clusters through electrostatic guidelines and molecular tailoring The correlation between electron delocalization and ring currents in all metallic aromatic compounds Phenomenological shell model and aromaticity in metal clusters Rationalizing the aromaticity indexes used to describe the aromatic behavior of metal clusters 5f orbital successive aromatic and antiaromatic zones in triangular uranium cluster chemistry This collection of diverse contributions, composed of the work of scientists worldwide, is destined to not only answer puzzling questions about the nature of aromaticity, but also to provoke further inquiry in the minds of researchers.

Aromaticity

Aromaticity Book
Author : Peter J. Garratt
Publisher : Wiley-Interscience
Release : 1986-04-25
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Examines aromaticity through the historical and conceptual framework of simple molecular orbital theory. This approach is unique in that theoretical considerations are integrated with experimental observations. The criteria for aromatic, antiaromatic and nonaromatic compounds are discussed in with reference to benzene, cyclobutadiene and cyclooctatetraene. Also includes a chapter on the likely classes of aromatic compounds.

Aromaticity

Aromaticity Book
Author : University of Sheffield,Chemical Society (Great Britain)
Publisher : Unknown
Release : 1967
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Aromaticity and Antiaromaticity

Aromaticity and Antiaromaticity Book
Author : Vladimir I. Minkin,Mikhail N. Glukhovtsev,Boris Ya. Simkin,Boris I︠A︡kovlevich Simkin
Publisher : Wiley-Interscience
Release : 1994-04-14
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Designed to assist chemists in integrating the results of calculations on molecules and ions into their general body of chemical knowledge. Contains recent contributions from theoretical and computational chemistry to the development of the concept of aromaticity (antiaromaticity) and its expansion into new areas such as organometallic and cluster compounds and three-dimensional structures. Updates the modern status of aromaticity and covers basic principles and experimental applications.

Aromaticity Pseudo aromaticity Anti aromaticity

 Aromaticity  Pseudo aromaticity  Anti aromaticity  Book
Author : Ernst David Bergmann,Bernard Pullman
Publisher : Israel Academy of Sciences and Humanities
Release : 1971
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Aromaticity Pseudo aromaticity Anti aromaticity book written by Ernst David Bergmann,Bernard Pullman, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Facts and Theories of Aromaticity

Facts and Theories of Aromaticity Book
Author : David Lewis (Ph.D.),David Peters
Publisher : Unknown
Release : 1975
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Facts and Theories of Aromaticity book written by David Lewis (Ph.D.),David Peters, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Introductory Organic Chemistry and Hydrocarbons

Introductory Organic Chemistry and Hydrocarbons Book
Author : Caio Lima Firme
Publisher : CRC Press
Release : 2019-08-28
ISBN : 1351205773
Language : En, Es, Fr & De

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Book Description :

A novel proposal for teaching organic chemistry based on a broader and simplified use of quantum chemistry theories and notions of some statistical thermodynamic concepts aiming to enrich the learning process of the organic molecular properties and organic reactions. A detailed physical chemistry approach to teach organic chemistry for undergraduate students is the main aim of this book. A secondary objective is to familiarize undergraduate students with computational chemistry since most of illustrations of optimized geometries (plus some topological graphs) and information is from quantum chemistry outputs which will also enable students to obtain a deeper understanding of organic chemistry.

Aromatic Character and Aromaticity

Aromatic Character and Aromaticity Book
Author : G. M. Badger
Publisher : Cambridge University Press
Release : 1969-01-02
ISBN : 9780521073394
Language : En, Es, Fr & De

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Book Description :

Originally published in 1969, this book analyses the special properties of benzene and its derivatives, which give them their distinct aromatic character. The text first discusses the structure of benzene, including the light shed on it by physical methods and wave mechanics, and the structure of polycyclic benzenoid hydrocarbons and heterocyclic aromatic compounds. Aromaticity is defined as a function of the electronic structure of the molecule or ion in question and it is shown that this has important consequences in respect of bond lengths, resonance energies, electronic absorption spectra and induced ring currents. Final chapters discuss how far aromatic character and aromaticity are associated with non-benzenoid hydrocarbons and with more complex systems.

Advanced Organic Chemistry Reactions And Mechanisms

Advanced Organic Chemistry  Reactions And Mechanisms Book
Author : Maya Shankar Singh,Singh
Publisher : Pearson Education India
Release : 2004-09
ISBN : 9788131711071
Language : En, Es, Fr & De

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Book Description :

Advanced Organic Chemistry: Reactions and Mechanisms covers the four types of reactions -- substitution, addition, elimination and rearrangement; the three types of reagents -- nucleophiles, electrophiles and radicals; and the two effects -- electroni.

Russian Chemical Reviews

Russian Chemical Reviews Book
Author : Anonim
Publisher : Unknown
Release : 1990
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Aromaticity and Other Conjugation Effects

Aromaticity and Other Conjugation Effects Book
Author : Rolf Gleiter,G. Haberhauer
Publisher : John Wiley & Sons
Release : 2012-09-24
ISBN : 9783527329342
Language : En, Es, Fr & De

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Book Description :

The authors provide an excellent overview of conjugation effects in organic chemistry within and between Pi systems. Besides various aspects of aromaticity one finds detailed discussions of homo-, spiroand hyperconjugation as well as effects of through-space and throughbond interactions. These effects are presented on the basis of experimental results and are analyzed by the use of qualitative arguments of perturbation theory and from a comparison with results from high level ab initio calculations. This book is a must-have for bachelor students from the second year on, master and PhD students of chemistry. Also students in science such as physics, biology and medicine will benefit from the concepts described in the book. Furthermore, chemists in research and development will be grateful to find here an overview of conjugation effects allowing to understand the structures, the dynamics and the reactivity of molecules.

Non benzenoid Aromatic Compounds

Non benzenoid Aromatic Compounds Book
Author : Wilson Baker
Publisher : Unknown
Release : 1959
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Aromatic character and aromaticity

Aromatic character and aromaticity Book
Author : Anonim
Publisher : CUP Archive
Release : 2022-07-05
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Bulletin of the Chemical Society of Japan

Bulletin of the Chemical Society of Japan Book
Author : Anonim
Publisher : Unknown
Release : 2008
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Organic Chemistry

Organic Chemistry Book
Author : Anonim
Publisher : Unknown
Release : 1976
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Coal Structure

Coal Structure Book
Author : Robert Meyers
Publisher : Elsevier
Release : 2012-12-02
ISBN : 0323154565
Language : En, Es, Fr & De

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Book Description :

Coal Structure deals with the structure, mineral and organic components, and the physical and chemical properties of coal. The book is composed of papers that present a detailed and coherent description of both the physical and chemical structure of coal and the effect of coal structural features on coal processing. The contributions in the text discuss such topics as coal macerals, coal porosity, aromaticity, functional groups and heteroatoms in coal, polymer structure of coal, and mineral matter in coal. Engineers, researchers, scientists, and management personnel who are directly involved in the study and processing of coal will find the book a well-rounded reference source.

Revue roumaine de chimie

Revue roumaine de chimie Book
Author : Anonim
Publisher : Unknown
Release : 2003
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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