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Selective One-Pot Syntheses of Mixed Silicon-Germanium Heteroadamantane Clusters.


ABSTRACT: Six Gey alloys are emerging materials for modern semiconductor technology. Well-defined model systems of the bulk structures aid in understanding their intrinsic characteristics. Three such model clusters have now been realized in the form of the Six Gey heteroadamantanes [0], [1], and [2] through selective one-pot syntheses starting from Me2 GeCl2 , Si2 Cl6 , and [nBu4 N]Cl. Compound [0] contains six GeMe2 and four SiSiCl3 vertices, whereas one and two of the GeMe2 groups are replaced by SiCl2 moieties in compounds [1] and [2], respectively. Chloride-ion-mediated rearrangement quantitatively converts [2] into [1] at room temperature and finally into [0] at 60 °C, which is not only remarkable in view of the rigidity of these cage structures but also sheds light on the assembly mechanism.

SUBMITTER: Kostler B 

PROVIDER: S-EPMC8596519 | biostudies-literature |

REPOSITORIES: biostudies-literature

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