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| Author | : Kelley Jean Donaghy |
| Publisher | : |
| Total Pages | : 566 |
| Release | : 1996 |
| Genre | : |
| ISBN | : |
| Author | : Russell N. Grimes |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 335 |
| Release | : 2013-11-11 |
| Genre | : Science |
| ISBN | : 1489921540 |
Molecular clusters, in the broad sense that the term is commonly understood, today comprise an enormous class of species extending into virtually every important area of chemistry: "naked" metal clusters, transition metal carbonyl clusters, hydrocarbon cages such as cubane (C H ) and dodecahedrane (C H ), 8 8 20 20 organometallic cluster complexes, enzymes containing Fe S or MoFe S 4 4 3 4 cores, high polymers based on carborane units, and, of course, the many kinds of polyhedral borane species. So large is the area spanned by these diverse classes that any attempt to deal with them comprehensively in one volume would, to say the least, be ambitious-and also premature. We are presently at a stage where intriguing relationships between the various cluster families are becoming apparent (particularly in terms of bonding descriptions), and despite large dif ferences in their chemistry an underlying unity is gradually developing in the field. For example, structural changes occurring in Fe S cores as electrons are 4 4 pumped in and out, in some measure resemble those observed in boranes and carboranes. The cleavage of alkynes via incorporation into carborane cages and subsequent cage rearrangement, a sequence familiar to boron chemists, is a thermodynamically favored process which may be related to the behavior of unsaturated hydrocarbons on metal surfaces; analogies of this sort have drawn attention from theorists and experimentalists.
| Author | : Springer |
| Publisher | : |
| Total Pages | : 344 |
| Release | : 2014-01-15 |
| Genre | : |
| ISBN | : 9781489921550 |
| Author | : Catherine E. Housecroft |
| Publisher | : Ellis Horwood |
| Total Pages | : 174 |
| Release | : 1990 |
| Genre | : Borane |
| ISBN | : |
| Author | : Grimes RN. |
| Publisher | : |
| Total Pages | : |
| Release | : 1982 |
| Genre | : |
| ISBN | : |
| Author | : Catherine E. Housecroft |
| Publisher | : |
| Total Pages | : 180 |
| Release | : 1994 |
| Genre | : Science |
| ISBN | : |
This concise introduction to boranes and metalloboranes employs an informal and straightforward style. The author establishes facts first, and rationalization and theories follow. Ideas of cluster bonding are presented, and the author surveys different approaches to the bonding in clusters, emphasizing the use of frontier molecule orbitals and the construction of clusters from fragments. The application of spectroscopic techniques to the elucidation of cluster structure is discussed, with an emphasis on multinuclear NMR spectroscopy. The second edition includes an update on structural data for boranes and their anions. Sections on spectroscopy and the reactivity of metalloboranes have been slightly expanded and references have been updated.
| Author | : George Andrew Olah |
| Publisher | : Wiley-Interscience |
| Total Pages | : 408 |
| Release | : 1991-02-07 |
| Genre | : Science |
| ISBN | : |
Compares and contrasts the structure and chemistry of boron clusters, carbon clusters, and carboranes and their derivatives. Honors the pioneering works of William Lipscomb.
| Author | : Russell N. Grimes |
| Publisher | : Modern Inorganic Chemistry |
| Total Pages | : 352 |
| Release | : 1982-12-31 |
| Genre | : Science |
| ISBN | : |
Molecular clusters, in the broad sense that the term is commonly understood, today comprise an enormous class of species extending into virtually every important area of chemistry: "naked" metal clusters, transition metal carbonyl clusters, hydrocarbon cages such as cubane (C H ) and dodecahedrane (C H ), 8 8 20 20 organometallic cluster complexes, enzymes containing Fe S or MoFe S 4 4 3 4 cores, high polymers based on carborane units, and, of course, the many kinds of polyhedral borane species. So large is the area spanned by these diverse classes that any attempt to deal with them comprehensively in one volume would, to say the least, be ambitious-and also premature. We are presently at a stage where intriguing relationships between the various cluster families are becoming apparent (particularly in terms of bonding descriptions), and despite large dif ferences in their chemistry an underlying unity is gradually developing in the field. For example, structural changes occurring in Fe S cores as electrons are 4 4 pumped in and out, in some measure resemble those observed in boranes and carboranes. The cleavage of alkynes via incorporation into carborane cages and subsequent cage rearrangement, a sequence familiar to boron chemists, is a thermodynamically favored process which may be related to the behavior of unsaturated hydrocarbons on metal surfaces; analogies of this sort have drawn attention from theorists and experimentalists.
| Author | : Joseph Casanova |
| Publisher | : Wiley-Interscience |
| Total Pages | : 472 |
| Release | : 1998-04-29 |
| Genre | : Science |
| ISBN | : |
A comparative examination of electron-deficient species -from leading researchers in the field. The Borane, Carborane, Carbocation Continuum explores the emerging understanding of the similarities of properties and behavior shared by these electron-deficient species. Based on the work presented at a trailblazing symposium held at the Loker Hydrocarbon Research Institute of the University of Southern California, it brings together the contributions of distinguished scientists from around the world, including Nobel Prize winners George A. Olah and William N. Lipscomb, to illustrate the results of research on the structures and bonding characteristics of boranes, carboranes, and carbocations. As electron-deficient compounds find a place in today's high-field NMR systems and other cutting-edge areas, this unique volume contains important information for advanced students as well as professionals working in organic, inorganic, or physical chemistry, with sections on: Patterns of structure in boranes and carboranes -including vertex homogeneity, boron cluster patterns, and seco-systematization of boranes and heteroboranes The carborane -carbocation continuum -from boron super-electrophiles and their carbocation analogs to cage systems Untangling molecular structures -mechanistic patterns in carborane reactions, advances in metallacarborane sandwich chemistry, and other topics New species of boranes and carboranes -such as isoelectronic borane, hydrocarbon, and carbocation metal complexes, and cyclic organohydroborate anions.
| Author | : |
| Publisher | : |
| Total Pages | : 1006 |
| Release | : 1996 |
| Genre | : Dissertations, Academic |
| ISBN | : |
