Catalysis by unique metal ion structures in solid matrices : from science to application : proceedings of the NATO Advanced Research Workshop on Catalysis by Unique Metal Ion Structures in Solid Matrices, Prague-Pruhonice, Czech Republic, July 4-7, 2000

Atomically dispersed metal cations and small polyatomic cationic structures co-ordinated to the surface of porous matrices exhibit different properties from the same cationic species contained in a bulk oxide or supported on amorphous carriers. This subject is treated to an extensive review, showing how an understanding of it is essential to the development of a new generation of solid catalysts. There are also exciting opportunities to shape the catalytic properties of the transition metal cations in microporous and mesoporous matrices. The book covers both theoretical and experimental aspects, including the distribution of framework Al atoms in Si-rich zeolites, distribution and siting of charge-exchanged metal cations, electronic, adsorptive and catalytic properties of metal cations, and correlation of metal cation structure and siting with catalytic activity. Front Matter....Pages i-viii Towards a better understanding and terminology of the Oxide / Transition Metal Complex interactions....Pages 1-19 Ion Exchange of Non-Framework Cations in Zeolites for Catalysis....Pages 21-29 Single Metal Ions in Host Zeolite Matrices. Structure-Activity-Selectivity-Relationships....Pages 31-53 Siting and Stability of Metal Cations in Zeolites....Pages 55-73 Mono- and Multinuclear Oxo-Cations in Zeolite Cavities....Pages 75-84 Exafs Study of Fe/ZSM-5 Prepared by Chemical Vapour Deposition and Co/FER, MOR, MFI Prepared by Ion Exchange....Pages 85-94 Advances in the Determination of the Architecture of Active Sites in Solid Catalysts....Pages 95-114 Electronic Structure of Transition-Metal Ion Containing Zeolites....Pages 115-133 Migration of Ti and Fe from Framework to Extraframework Positions in Zeolitic Materials: Spectroscopic Studies....Pages 135-147 Identification of Active Oxygen Species over Fe Complexes in Zeolites....Pages 149-163 Catalysis Using Guest Single and Mixed Oxides in Host Zeolite Matrices....Pages 165-186 Reactivity Theory of Zinc Cation Species in Zeolites....Pages 187-204 Local Site Deformations in Zeolites by the Coordination of Cu(II)....Pages 205-219 Ab Initio Simulation of Cu-Species in Zeolites: Siting, Coordination, UV-Vis Spectra and Reactivity....Pages 221-234 Asymmetric Oxidation of Sulphide on Metal Ion Planted in Mesoporous MCM-41....Pages 235-248 Photocatalysis of Cations Incorporated within Zeolites....Pages 249-262 Direct Addition of Amine N-H to CC Triple Bonds....Pages 263-278 Immobilisation of Chiral Homogeneous Catalysts and Their Use for Oxidation and Hydrogenation Reactions....Pages 279-293 Catalysis by Novel Carbon-Based Materials....Pages 295-306 Back Matter....Pages 307-332 Collects 19 papers presented at the July 2000 NATO workshop of the same name that address the growing awareness that advanced catalytic technologies are required for the efficient production of chemicals and the abatement of toxic emissions associated with chemical production and the combustion of fuels. The four main topics discussed are the synthesis and structural characterization of metal ion/metal oxide structure within crystalline porous materials; the effects of the interactions of metal cations with crystalline matrices and the importance of metal-ligand complexation for catalytic properties; molecular level synthesis/structure/activity/selectivity/performance relationships for redox and Lewis site catalyzed reactions; and new catalytic processes for reactions such as NO and N2O decomposition, along with selective catalytic reduction of NOx with methane or low molecular weight alkanes in the presence of oxygen selective oxidation of hydrocarbons via epoxidation of olefins and hydroxylation of The present review aims at clarifying some points of terminology regarding the interactions of transition metal ion complexes (TMCs) and transition metal ion ions (TMIs) with oxide matrices, with special emphasis on their relevance to the preparation of supported metal catalysts. Proceedings of the NATO Advanced Research Workshop, held in Prague-Pruhonice, Czech Republic, July 4-7, 2000