Title

A Distorted Tetrahedral Metal Oxide Cluster Inside an Icosahedral Carbon Cage. Synthesis, Isolation, and Structural Characterization of Sc43-O)2@Ih-C80

Document Type

Article

Publication Date

9-10-2008

Department

Chemistry and Biochemistry

School

Mathematics and Natural Sciences

Abstract

The remarkably large cluster Sc43-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 Sc43-O)2@Ih-C80 has been determined by X-ray crystallography on a crystal of Sc43-O)2@Ih-C80·NiII(OEP)·2(C6H6). The Sc43-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) Å.

Publication Title

Journal of the American Chemical Society

Volume

130

Issue

36

First Page

11844

Last Page

11845

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