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Aspects Of Osmium Cluster Chemistry
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Book Synopsis Aspects of Osmium Cluster Chemistry by : Natalie Lyn Cromhout
Download or read book Aspects of Osmium Cluster Chemistry written by Natalie Lyn Cromhout and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aspects of Cluster Chemistry of Iron, Ruthenium and Osmium by : S. R. Bunkhall
Download or read book Aspects of Cluster Chemistry of Iron, Ruthenium and Osmium written by S. R. Bunkhall and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Aspects of the Organomettalic Chemistry of Osmium and Ruthenium Carbonyl Clusters by : Vijay Pal Saharan
Download or read book Some Aspects of the Organomettalic Chemistry of Osmium and Ruthenium Carbonyl Clusters written by Vijay Pal Saharan and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aspects of the Chemistry of Some Osmium-containing Clusters by : Muna R. A. Al-Mandhary
Download or read book Aspects of the Chemistry of Some Osmium-containing Clusters written by Muna R. A. Al-Mandhary and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aspects of Organometallic Chemistry of Some Osmium Clusters by : Rajesh Khattar
Download or read book Aspects of Organometallic Chemistry of Some Osmium Clusters written by Rajesh Khattar and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Organometallic Chemistry II, Volume 7 by : D.F. Schriver
Download or read book Comprehensive Organometallic Chemistry II, Volume 7 written by D.F. Schriver and published by Elsevier. This book was released on 2002-09-10 with total page 1071 pages. Available in PDF, EPUB and Kindle. Book excerpt: The section devoted to iron in this volume reflects the tremendous progress in the area. Specifically cluster chemistry, ligand transformations and detailed structural results are more prominent in COMC II. The organic chemistry of ruthenium and osmium is an area which has burgeoned during the period since the publication of COMC. This is especially true for the cluster chemistry of these elements, which have provided most of the advances in this important field. Consequently, this volume will include an update (1981-1993) of the chemistry of mono- and bi-nuclear complexes of ruthenium and osmium, with a rather more extensive treatment of tri- and tetra-nuclear complexes. This is because many of the early results in ruthenium and osmium cluster chemistry described in COMC are now much better understood and can thus be placed in a more general context. In the case of complexes containing clusters with five or more metal atoms, the coverage is essentially complete, again because this chemistry has developed during the 1980s.
Book Synopsis The Chemistry of Osmium Carbonyl Clusters Containing Oxime and Oxo Ligands by : 王淑儀
Download or read book The Chemistry of Osmium Carbonyl Clusters Containing Oxime and Oxo Ligands written by 王淑儀 and published by . This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "The Chemistry of Osmium Carbonyl Clusters Containing Oxime and Oxo Ligands" by 王淑儀, Shuk-yee, Janet, Wong, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3124493 Subjects: Ligands (Biochemistry) Osmium compounds Carbonyl compounds Metal clusters
Book Synopsis The Chemistry of Mixed-Metal Clusters of Osmium and Rhodium by : Po-Kwan Jasmine Lau
Download or read book The Chemistry of Mixed-Metal Clusters of Osmium and Rhodium written by Po-Kwan Jasmine Lau and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "The Chemistry of Mixed-metal Clusters of Osmium and Rhodium" by Po-kwan, Jasmine, Lau, 劉寶君, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled THE CHEMISTRY OF MIXED-METAL CLUSTERS OF OSMIUM AND RHODIUM Submitted by LAU PO KWAN JASMINE for the degree of Doctor of Philosophy at The University of Hong Kong in December 2005 The general background of metal clusters, the chemistry of osmium-rhodium mixed-metal clusters, and their potential catalytic applications are reviewed. The work in the synthesis, characterizations, and reactivity studies of different series of osmium-rhodium mixed-metal clusters help us to understand the properties and reactivities of new clusters as compared to the bulk metal surface. 1 1 1 A novel face-capping mode of toluene was observed in [Os Rh (μ -η η η - 3 4 3 C H CH )(CO) ] 1. Cluster 1, together with [Os Rh(-H)(η -C H CH )(CO) ] 2 6 5 3 13 4 6 5 3 12 and a known compound [Os Rh (η -C H CH )(-CO)(CO) ], were obtained from 5 2 6 5 3 16 the reaction of [Os Rh(μ-H) (CO) ] with toluene in the presence of an excess 3 3 12amount of 4-vinylphenol. The reaction of [Os Rh(-H) (CO) ] with an excess 3 3 12 amount of 4-vinylphenol (as a hydride acceptor) in refluxing m-xylene, chlorobenzene, or benzene yielded three new clusters [Os Rh {η -C H (CH ) } 5 2 6 4 3 2 6 6 (-CO)(CO) ] 3, [Os Rh (η -C H Cl)(-CO)(CO) ] 4, and [Os Rh (η -C H ) 16 5 2 6 5 16 5 2 6 6 (-CO)(CO) ] 5, respectively. 16 The hydrogenation of [Os Rh (η -C H CH )(-CO)(CO)] with 5 2 6 5 3 16 [Os (-H) (CO) ] resulted in moderate yields of two hydrogen-rich compounds: 3 2 10 [Os Rh (-H) (CO) ] 6 and [Os Rh Cl(-H) (CO) ] 7. The reaction of 7 3 11 23 5 3 8 18 [Os Rh (η -C H CH )(-CO)(CO) ] with hydrogen yielded a new cluster 5 2 6 5 3 16 compound, [Os Rh(-H) (CO) ] 8. A deuterium exchange experiment was 5 5 18 performed on 6, and 7. Both the compounds proved to be able to exchange the H atom with D in the presence of D SO, and the absence of the hydride signal in the 2 4 H NMR spectrum is consistent with this. Therefore, clusters 6 and 7 may serve as appropriate new hydrogen storage models. A detailed discussion of the chemistry of anionic osmium-rhodium mixed-metal clusters with Au cationic fragments using [Au(PPh )Cl] and [(AuCl) L-L], where L 3 2 = dppe (bis(diphenylphosphino)ethane) or dppp (bis(diphenylphosphino)propane), is presented. Two mono-anionic osmium-rhodium mixed-metal clusters [PPN][Os Rh(μ-CO)(CO) ] 9 and [PPN][Os Rh (μ-CO) (CO) ] 10 were prepared 6 19 9 3 2 26 by the thermolysis of [Os Rh(μ-H) (CO) ]. Electrochemistry studies on 10 showed 3 3 12 four successive redox couples, and revealed a novel electron reservoir property. Treatment of 9 with two equivalent of [Au(PPh)Cl] gave compounds [Os Rh Au(CO) (PPh )] 11, and [Os Au (CO) (PPh ) ][Os Rh(μ-CO)(CO) ] 12. 4 3 18 3 5 3 15 3 3 6 19 Both compounds successfully demonstrated the introduction of the Au(PR ) units 3into transition-metal clusters. Two linked clusters [{Os RhAu(μ-CO)(CO) } (dppp)] 6 19 2 13 and [{Os RhAu(μ-CO)(CO) } (dppe)] 14 were prepared by the reaction of 9 6 19 2 with two equivalent [(AuCl) dppp] and [(AuCl) dppe], respectively. 2 2 The synthesis and characterization of linked cluster [{Os (CO) (μ -H)} 3 10 2 2 {μ,μ -NC H C H N}] 15 from the reaction of [Os Rh(μ-H) (CO) ] with aniline in 2 2 6 4 6 4 3 3 12 the presence of an excess amount of 4-vinyl phenol
Book Synopsis The Chemistry of Osmium Carbonyl Clusters Containing Organomercurials and Azo-Compounds by : 江鳳思
Download or read book The Chemistry of Osmium Carbonyl Clusters Containing Organomercurials and Azo-Compounds written by 江鳳思 and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "The Chemistry of Osmium Carbonyl Clusters Containing Organomercurials and Azo-compounds" by 江鳳思, Fung-sze, Kong, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3123869 Subjects: Organoosium compounds Carbonyl compounds Organmercury compounds Azo compounds
Book Synopsis Synthesis and Chemical Aspects of Aurated Osmium High Nuclearity Carbonyl Clusters by : Zareen Akhter
Download or read book Synthesis and Chemical Aspects of Aurated Osmium High Nuclearity Carbonyl Clusters written by Zareen Akhter and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Studies in Osmium Cluster Chemistry by : Christopher Cathey
Download or read book Some Studies in Osmium Cluster Chemistry written by Christopher Cathey and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Osmium Clusters with Unsaturated Ligands by : James Neville Martin
Download or read book The Chemistry of Osmium Clusters with Unsaturated Ligands written by James Neville Martin and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Organometallic Chemistry of Some Hydrido Osmium Cluster by : Julie Amanda Lunniss
Download or read book Organometallic Chemistry of Some Hydrido Osmium Cluster written by Julie Amanda Lunniss and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Osmium and Ruthenium Carbonyl Clusters with Functionalized Alkyne and Phosphine Ligands by : Fai Lung Ting
Download or read book The Chemistry of Osmium and Ruthenium Carbonyl Clusters with Functionalized Alkyne and Phosphine Ligands written by Fai Lung Ting and published by . This book was released on 2001 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Mixed-Metal Clusters of Osmium and Palladium by : 許穎思
Download or read book The Chemistry of Mixed-Metal Clusters of Osmium and Palladium written by 許穎思 and published by . This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Osmium-Palladium Carbonyl Clusters by : 陳雁菁
Download or read book The Chemistry of Osmium-Palladium Carbonyl Clusters written by 陳雁菁 and published by . This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Metal Cluster Complexes by : Duward F. Shriver
Download or read book The Chemistry of Metal Cluster Complexes written by Duward F. Shriver and published by Wiley-VCH. This book was released on 1990 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seven chapters summarize the current status of organometallic cluster chemistry from the viewpoints of synthesis, structure and bonding, ligand substitution reactions, ligand transformations, polyhedral rearrangement, cluster fragmentation reactions, and metal clusters as homogeneous catalysts. An eighth provides an extensive bibliography of reviews for the period from 1965 to 1988. Annotation copyrighted by Book News, Inc., Portland, OR