A high-yield synthesis of Ru5C(CO)15 by the carbonylation of Ru6C(CO)17; the X-ray structure analyses of Ru5C(CO)15 and Ru5C(CO)14PPh3

Abstract
In reaction with CO at 70 °C and 80 atm the hexanuclear cluster Ru6C(CO)17 undergoes carbonylation, ejects Ru(CO)5 and gives quantitative amounts of Ru5C(CO)15 which X-ray analysis has confirmed has a square-pyramidal Ru5 arrangement with an exposed carbido-atom; some reactions of this pentanuclear cluster are reported together with the X-ray structure analysis of its derivative Ru5C(CO)14PPh3.

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