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. Author manuscript; available in PMC: 2014 Nov 28.
Published in final edited form as: Phys Chem Chem Phys. 2013 Nov 28;15(44):19191–19195. doi: 10.1039/c3cp53902d

Figure 1.

Figure 1

Structure of the I-Au144X60[z] compound, clock-wise from top right: Assembly of the 42-Au structure from the hollow inner 12-Au shell (red) and the inner 30-Au shell (orange). Adding the outer 12-Au (also red) yields the ‘inner core’ comprising 54-Au atoms. The ‘grand core’ view Au144 highlights the shell of 60-Au sites (blue) in relation to the outer 12-Au sites. The Au144 substructure (bottom center) comprises 30-Au sites (also orange). The 60-X halide sites (green) complete the assembly (lower left) and define the topography. The view at top left, along a C5 symmetry axis, exposes the symmetric arrangement of ‘staple-motif’ surface units. At centre, the cutaway view of the spacefilling C5 perspective highlights five of the staple units (in small light green for Cl and small yellow for Au). Color code: 60-X = green; outer 30-Au = small orange; 60 Au = blue; groups of 12 Au = red; inner 30-Au = orange.