Expanding F Element Chemistry
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Expanding F Element Chemistry
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Author : Elizabeth Montalvo
language : en
Publisher:
Release Date : 2010
Expanding F Element Chemistry written by Elizabeth Montalvo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
This dissertation develops f element chemistry by investigating and comparing the synthesis, coordination chemistry, and reactivity of lanthanide and actinide metal complexes with diazoalkane derivatives and guanidinates. The bis(cyclopentadienyl) ligand unit, [(n5-C5ME5)2]2-, was used to conduct these studies since it has previously proven to be a reliable route for investigating new ligands in f element chemistry. This is because it is relatively inert, provides solubility and stability to the reactive metal center, and allows spectroscopic and structural data to be obtained that is useful for analyzing this chemistry. Diazoalkanes, RRLCN2, are of interest because they are important organic substrates that are useful as carbene precursors and as reagents for the synthesis of heterocyclic compounds. Although the chemistry of diazoalkanes with the transition metals has been heavily studied, little is known about f element chemistry with these compounds. The lanthanides and actinides are different in their behavior with diazoalkanes. Lanthanides make cyanoamide complexes that can be converted by their reaction with nitriles to complexes of 1,2,3-triazoles, which are heterocycles with pharmaceutical, industrial, and agrochemical applications. In contrast, uranium makes very soluble products that do not react with nitriles. A facile synthetic route to hydrazonato complexes was also developed from lanthanide allyl complexes and diazoalkanes during this study. The chemistry of the bicyclic guanidinate ligand, (hpp)1-, was examined with the f elements because this ligand has the potential to stabilize higher oxidation states which are rare with the f elements. The (hpp)1- ligand can be readily incorporated into complexes of Ln3+, U3+, and U4+ and it can stabilize rare examples of mono-alkyl, hydride, and "tuck-in", (n5:n1-C5Me4CH2)2- U4+ complexes as well as U5+ in some cases. The reactivity of the uranium "tuck-in" complex was examined because this unit is frequently proposed as an intermediate in mechanistic schemes involving alkyl C-H bond activation with the f elements. The effect of the {(C5Me5)2(hpp)}3- ligand combination on uranium mono-alkyl and hydride reactivity was also examined. Altogether, the results from these studies expand our knowledge of f element chemistry and highlight the differences in chemical reactivity of the f elements compared to the transition metals.
Organometallics Of The F Elements
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Author : Marks
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Organometallics Of The F Elements written by Marks and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
While the organometallic chemistry of the d-block transition elements has been a flourishing field for the past 25 years, it has only been in the last several years that dramatic activity and progJ'ess has occurred in the area of lanthanide and actinide organometallic chemistry. The f. -element organometallic research effort has been truly multinational and multidisciplinary. In a large number of countries, sCientists have become increasingly interested in the synthesis, reactivity, spectroscopy, and the molecular and electronic structures of f-element organometallic compounds. The backgrounds of these scientists range from organic, inorganic, nuclear, and catalytic chemistry to chemical and nuclear physics. The motivations for the study of f-element organometallics have been equally varied. In the area of basic research, there has been a growing realization that the lanthanides and actinides represent two unique and, to a great extent, neglected families of elements in which many fascinating aspects of chemistry and bonding remain to be explored. On a more practical level, an increasing number of these elements play important roles in nuclear energy production and in industrial catalytic processes. It has become apparent that efficiency and safety in both areas could greatly benefit from increased knowledge. In the past there has been no suitable international forum available for bringing together researchers in the diverse areas of f-element organometallic science mentioned above.
The F Elements
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Author : Nikolas Kaltsoyannis
language : en
Publisher:
Release Date : 1999
The F Elements written by Nikolas Kaltsoyannis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Science categories.
The lanthanides and actinides (the f elements) are rarely studied in detail by chemistry undergraduates. More often they appear as an afterthought in bonding, spectroscopy, magnetism, coordination chemistry, and organometallics courses. This is largely because of a lack of an accessible text treating the chemistry of these elements in one cover. Moreover, the placement of lanthanides and actinides in the closing pages of standard inorganic chemistry text books serves to marginalise these elements further. The f elements has therefore been written to fill a gap in the undergraduate chemistry textbook market. It covers much of the fundamental chemistry of the lanthanide and actinide elements, including coordination chemistry, solid state compounds, organometallic chemistry, electronic spectroscopy, and magnetism. Many comparisons are made between the chemistry of the lanthanides and actinides and that of the transition elements, which is generally much more familiar to undergraduate chemistry students. The book uses the chemistry of the f elements as a vehicle for the communication of several important chemical concepts that are not usually discussed in detail in undergraduate courses, for example the chemical consequences of relativity and the lanthanide and actinide contractions. Many important modern applications of f element chemistry, e.g. the use of actinides in nuclear power generation and of the lanthanides in magnetic resonance imaging and catalytic converters in motor vehicle exhausts, are also discussed in depth.
Elements Of Inorganic Chemistry
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Author : Thomas Graham
language : en
Publisher:
Release Date : 1858
Elements Of Inorganic Chemistry written by Thomas Graham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1858 with Chemistry, Inorganic categories.
Elements Of Chemistry
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Author : Thomas Graham
language : en
Publisher:
Release Date : 1857
Elements Of Chemistry written by Thomas Graham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1857 with categories.
Elements Of Chemistry
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Author : William Andrew Miller
language : en
Publisher:
Release Date : 1867
Elements Of Chemistry written by William Andrew Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1867 with Chemistry categories.
Elements Of Chemistry Chemical Physics
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Author : William Allen Miller
language : en
Publisher:
Release Date : 1877
Elements Of Chemistry Chemical Physics written by William Allen Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1877 with Chemistry categories.
Elements Of Chemistry
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Author : William Allen Miller
language : en
Publisher:
Release Date : 1872
Elements Of Chemistry written by William Allen Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1872 with Chemistry categories.
Elements Of Chemistry
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Author : William Allen Miller
language : en
Publisher: BoD – Books on Demand
Release Date : 2022-02-14
Elements Of Chemistry written by William Allen Miller and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-14 with categories.
Reprint of the original, first published in 1867.
Elements Of Chemistry Theoretical And Practical
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Author : William Allen Miller
language : en
Publisher:
Release Date : 1867
Elements Of Chemistry Theoretical And Practical written by William Allen Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1867 with Chemistry categories.