Thermal decomposition of a series of tetranuclear carbonyl clusters Rh4(CO)12, Rh2Co2(CO)12, RhCo3(CO)12 and Co4(CO)12 |
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| Institution: | 1. School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China;2. School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Malaysia;3. School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Malaysia;4. Gas Conversion Department, Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, PO Box 14975-112, Tehran, Iran;5. Department of Chemical Engineering, Department of Mechanical and Aerospace Engineering, Monash University, Clayton 3168, Australia |
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| Abstract: | Decarbonylation of the unsupported clusters Rh4(CO)12, Rh2Co2(CO)12, RhCo3(CO)12 and Co4(CO)12 in a stream of hydrogen has been investigated by temperature programmed decomposition. Kinetic parameters for the thermal decomposition are presented, and the stabilities of the clusters are discussed. The profile for evolution of CO from Rh4(CO)12 indicates that a stable intermediate is formed. In all four cases methane is formed stepwise until most of the CO groups are evolved. |
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