Abstract
AbstractCollision induced dissociation experiments of the metalloid clusters [(CO)5CrGe9R3]– 2 and [(CO)3CrGe9R3]– 3 are presented, showing that 2 can lose Cr(CO)5 or CO to give [Ge9R3]– 1 or 3, respectively. Further dissociation from 3 leads first of all to the metalloid cluster [CrGe9R3]– 4, from which different elimination routes start. Thereby significant differences with respect to the chromium free cluster [Ge9R3]– 1 are observed, where beside C–H also Si–C and Si–Si bond dissociation at low threshold energy take place, showing that 4, with its additional chromium atom, is an ideal model system for a single atom catalyst.
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