Kinetics and equilibrium of Co2(CO)64-norbornadiene) formation from Co2(CO)8 and norbornadiene under CO

Ferenc Ungváry, Jabir Shanshool, László Markó

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Abstract

The formation of Co2(CO)64-NBD) from Co2(CO)8 and NBD is a reversible endothermic reaction: Co2(CO)8 + NBD {A figure is presented} Co2(CO)64-NBD) + 2CO; ΔH0 14.9 ± 0.7 kcal mol-1 In the forward reaction the carbon monoxide evolution is of first order in both Co2(CO)8 and NBD and of minus first order in CO. The carbon monoxide uptake in the reverse reaction is first order in both Co2(CO)64-NBD) and CO. The temperature dependence of the equilibrium constant K, and of the rate constant for the forward reaction kCO between 25 and 45°C is represented by log10 K = (7.41 ± 0.48) - (3259 ± 147)/T (K in M) and log10 kCO = (18.30 ± 1.75) - (7054 ± 540)/T (kCO in s-1).

Original languageEnglish
Pages (from-to)155-159
Number of pages5
JournalJournal of Organometallic Chemistry
Volume296
Issue number1-2
DOIs
Publication statusPublished - Nov 26 1985

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ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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