Tuesday, April 6, 2010
Au20: a molecular tetrahedron
It is known that the geometry of an Au20 cluster is a tetrahedron with all of 20 gold atoms on the surface. It is quite straightforward to make this structure with beads. Since most of gold atoms in this structure have coordination higher than 3, so I have chosen rod-shaped beads. The resulting beaded structure seems to mimic the tetrahedron shape pretty well.
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