Reversible Combination of Carbon Monoxide with a Synthetic Oxygen Carrier Complex

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Science  06 May 1966:
Vol. 152, Issue 3723, pp. 769-771
DOI: 10.1126/science.152.3723.769


Chlorocarbonyl-bis(triphenylphosphine)iridium(I), in solution, reacts reversibly with carbon monoxide under normal conditions, one molecule per metal atom. Formation of a 1 : 1 metal complex-CO adduct is verified by CO absorption measurements and the infrared spectrum of the adduct measured in situ. The spectrum suggests that the metal-C-O bonding is of the type found in conventional metal carbonyl.