Pyrolysis, acetone acetonitrile

The compound Os3(CO)j j(C5H5N) is very soluble in acetonitrile, dichl-oromethane, acetone, and methanol, and its solutions are stable to air. It is sparingly soluble in hydrocarbons. Its purity can be checked by IR spectroscopy (dichloromethane solution) v(CO)cm 1 2106(w), 2052(s), 2035(vs), 2008 (s), 1976 (m). Other physical properties have been reported.2 The vacuum pyrolysis of this compound provides a high-yield route to the carbido-dianion [Os10C(CO)24]2-.5... 

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