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A Distorted Tetrahedral Metal Oxide Cluster inside an Icosahedral Carbon Cage. Synthesis, Isolation, and Structural Characterization of Sc<sub>4</sub>(μ<sub>3</sub>-O)<sub>2</sub>@<i>I</i><sub><i>h</i></sub>-C<sub>80</sub>
215
Citations
13
References
2008
Year
Materials ScienceInorganic ChemistryStructural CharacterizationLarge Cluster Sc4EngineeringIcosahedral Carbon CageCluster ScienceNanomaterialsScandium AtomsTransition Metal ChalcogenidesAtomic PhysicsPhysical ChemistryCluster ChemistryChemistryInorganic MaterialCrystallographyCrystal Structure DesignElectric Arc
The remarkably large cluster Sc4(mu3-O)2 has been obtained trapped inside an Ih-C80 cage by conducting the vaporization of graphite rods doped with copper(II) nitrate and scandium(III) oxide in an electric arc under a low pressure helium atmosphere with an added flow of air. The product has been isolated by chromatography and identified by high-resolution mass spectrometry. The structure of Sc4(mu3-O)2@Ih-C80 has been determined by X-ray crystallography on a crystal of Sc4(mu3-O)2@Ih-C80.NiII(OEP).2(C6H6). The Sc4(mu3-O)2 unit consists of a distorted tetrahedron of scandium atoms with oxygen atoms bridging two of its faces. The Sc-Sc distances range from 2.946(7) to 3.379(7) A.
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