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J Am Chem Soc. 2006 Jul 5;128(26):8390-1.

Sn12(2-): stannaspherene.

Author information

  • 1Department of Physics, Washington State University, 2710 University Drive, Richland, WA 99354, USA.

Abstract

Stannaspherene. The Sn122- cluster is discovered to be a highly stable and highly symmetric icosahedral cage bonded by four delocalized radial pi bonds and nine delocalized on-sphere sigma bonds from the 5p orbitals of the Sn atoms. It has a diameter of 6.1 A, with a large empty interior volume, and can host most transition metal atoms inside, giving rise to a large class of endohedral chemical building blocks for cluster-assembled nanomaterials.

PMID:
16802791
[PubMed]
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