[Pb5{Mo(CO)3}2]4−: A Complex Containing a Planar Pb5 Unit
Yong LiStephan D. HoffmannThomas F. FässlerSebastian RiedelMartin Kaupp
Abstract
Lead around: The cyclic [Pb5]4− ion can be stabilized as an organometallic complex with the {Mo(CO)3} fragment. This complex is formed by the reaction of [Pb9]4− with [MesMo(CO)3] (Mes=1,3,5-trimethylbenzene). In the solid state this highly charged anion forms a linear chain with strong interactions between the potassium cations and the carbonyl oxygen atoms (see picture; cyan Mo, purple K, and red Pb; C and O atoms are omitted).
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