Abstract
The thermal behaviour of [(η-C 5H 5)Fe(CO) 2] 2 adsorbed on partly dchydroxylated alumina and silica surfáces has been followed by FT-IR spectroscopy in the temperature range of 303–723 K. The main products of surface reactions were the vcry stable tetrameric [(η-C 5H 5)Fe(μ-CO)] 4 and the less stable monomeric (η-C 5H 5)Fe(CO) 2(-O-) species. On alumina traces of 1:1 and 1:2 adducts of [(η-C 5H 5)Fe(CO) 2] 2 with surface Lewis acidic sites, while on silica traces of the 1:2 hydrogen bonded complex and oxidized monomeric cation [(η-C 5H 5)Fe(CO) 3] + were also detected.
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