Progress in Inorganic Chemistry V36

STEPHEN J. LIPPARD is Arthur Noyes Professor in the Department of Chemistry at the Massachusetts Institute of Technology. His recent honors include election to the American Academy of Arts and Sciences in 1986, the 1987 Remson Award of Maryland Section of the ACS, the 1987 ACS Award in Inorganic Chemistry sponsored by the Monsanto Company, a 1988 Humboldt U.S. Senior Scientist Award, and election to the National Academy of Sciences in 1989.

Partial table of contents: EARLY OBSERVATIONS OF INTERACTIONS BETWEEN C H BONDS AND TRANSITION METAL CENTERS. CLASSIFICATION OF COMPOUNDS WITH AGOSTIC BONDS. GENERAL PHYSICAL AND CHEMICAL PROPERTIES. Structural Determinations Using X Ray, Neutron, and Electron Diffraction Techniques. Nuclear Magnetic Resonance Studies. Infrared Spectroscopy. THE NATURE OF AGOSTIC BONDING. General Considerations Concerning Three Center, Two Electron Bonds. The Representation of Agostic Bonds: The Half Arrow Convention. Theoretical Discussions of Molecules Containing Distortions at the alpha Carbon Atom: Distorted Methyl Groups and Distorted Alkylidene Ligands. COMPOUNDS CONTAINING AGOSTIC M H C GROUPS. Agostic Alkyls. Agostic Alkylidene Compounds. Agostic Compounds Involving Unsaturated Hydrocarbon Ligands. COMPOUNDS CONTAINING METAL HYDROGEN M BRIDGES WHERE M = B, N, Si, Cl, F. Metal Hydrogen Boron Bridges. Three Center, Two Electron Bonding in the M H Si System. Metal Hydrogen Nitrogen Bridges. MISCELLANEOUS AGOSTIC SYSTEMS. IMPLICATIONS OF AGOSTIC INTERACTIONS IN TRANSITION METAL CATALYZED REACTIONS OF HYDROCARBONS. General Observations. CONCLUSIONS. References.