Ligand Control of Manganese Telluride Molecular Cluster Core Nuclearity
作者： Bonnie Choi , Daniel W. Paley , Theo Siegrist , Michael L. Steigerwald , Xavier Roy
DOI: 10.1021/ACS.INORGCHEM.5B01020
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摘要: We report the synthesis, structural diversity, and chemical behavior of a family manganese telluride molecular clusters whose charge-neutral cores are passivated by two-electron donor ligands. describe three different core structures: cubane-type Mn4Te4, prismane Mn6Te6, dicubane Mn8Te8. use various trialkylphosphines N-heterocyclic carbenes (NHCs) as surface ligands demonstrate that formation cluster structures is controlled choice ligand: bulky such PiPr3, PCy3, or iPr2NHC (iPr2NHC = 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene) form core, while smaller PMe3 produces core. The intermediate-sized PEt3 both cubane species. These labile, capping phosphines can be replaced stronger ligands, internal structure remains intact. interplay diversity ligand versatility labilit...
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