NOVELTY - A supported reactive catalyst having a controlled coordination structure, comprises a support material; reactive catalyst particles comprising catalytically reactive atoms including at least one of noble metals, base transition metals, rare earth metals and solid non-metals; and an anchoring material comprising type(s) of polymer, oligomer or organic compound that chemically binds a portion of the catalyst particles to the support material.    USE - The catalyst is used as a catalytic component in a fuel cell electrode for polymer electrolyte membrane fuel cells and direct methanol fuels. It is used in many industries including chemical, petroleum, pharmaceutical, energy and automotive. It may be useful in catalytically promoting chemical reactions, e.g. reactions involving hydrogen and oxygen to selectively form hydrogen peroxide instead of water; reactions involving hydrogen, oxygen and organic compounds to form chemical products (e.g., in situ formation of hydrogen peroxide as an intermediate oxidizing agent that reacts with the organic compound to form other chemical products); reactions involving oxygen and organic compounds to form oxidized chemical products (i.e., direct oxidation without hydrogen peroxide as an intermediate); reactions between hydrogen and organic compounds to form chemical or fuel products (i.e., hydrogenation, hydro-treating and hydro-cracking); reactions of chemical products to liberate hydrogen (i.e., dehydrogenation and reforming); and electrochemical reactions of hydrogen and/or oxygen at fuel cell electrodes. It is useful in various reactions, including formation of hydrogen peroxide, formation and use of hydrogen peroxide as an intermediate reactant in the oxidation of organic molecules, direct oxidation of organic molecules, hydrogenation, reduction, dehydrogenation, and, potentially, to make fuel cells.    ADVANTAGE - The catalyst has increased specificity for a variety of different chemical reactions.    DETAILED DESCRIPTION - A supported reactive catalyst having a controlled coordination structure, comprises a support material; reactive catalyst particles disposed on the support material, and comprising catalytically reactive atoms including at least one of noble metals, base transition metals, rare earth metals and solid non-metals; and an anchoring material comprising type(s) of polymer, oligomer or organic compound that chemically binds a portion of the reactive catalyst particles to the support material. The catalytically reactive atoms are arranged so that a top or outer surface layer (greater than or equal to 50%) of the catalytically reactive atoms has a nearest neighbor coordination number of 2. A portion of the anchoring material is disposed between a bottom layer of the catalytically reactive atoms and the support material.    An INDEPENDENT CLAIM is also included for the production of a supported catalyst as above, comprising preparing an intermediate catalyst complex by reacting together catalyst atoms and a control agent; contacting the intermediate catalyst complex with the support material; chemically bonding a portion of the control agent with the support material; and removing a portion of the control agent to expose a portion of the catalyst atoms, thus yielding a supported catalyst comprising the reactive catalyst particles that are chemically anchored to the support material by an anchoring agent comprising a remaining portion of the control agent. The catalyst atoms comprise at least one of noble metals, rare earth metals, base transition metals, and non-metals. The control agent comprises complexing molecules from polymers, oligomers, or organic compounds, where the control agent molecules (greater than or equal to 50%) are straight-chained.