Wiley, Angewandte Chemie, 11(121), p. 2004-2007, 2009
Wiley, Angewandte Chemie International Edition, 11(48), p. 1970-1973, 2009
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Buckybowls: The adsorption of penta-tert-butylcorannulene, a molecule with fivefold symmetry, on Cu(111), a surface with threefold symmetry, is investigated by scanning tunneling microscopy complemented by structure calculations. The symmetry mismatch is resolved by the formation of threefold-symmetric subunits consisting of three molecules, which combine with single molecules to form a nearly perfect filling of the plane (see picture).