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Figure 1
Structure of Au12Ag32(p-MBA)304−. Complete X-ray-determined structure shown in (a) space-filling view and (b) ball-and-stick view (out-of-plane ligands removed for clarity). The core structure is shown as (c) an Au12 icosa­hedral inner shell, which is nested inside of (d) an Ag20 dodeca­hedral outer shell, together making (e) a bimetallic 32-atom excavated dodeca­hedral core. Other colors: red – O; grey – C; yellow – S (H not shown). The overall diameter of the MPC was measured to be about 28 Å, while the diameter of the inorganic portion of the structure was 17 Å and the metallic Au12Ag20 dodeca­hedral core was 9 Å. Measurements were made between the centers of opposing atoms in the structure.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
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