Fig. 2 | Nature Communications

Fig. 2

From: Chiral Ag23 nanocluster with open shell electronic structure and helical face-centered cubic framework

Fig. 2

Anatomy of the twisted structure of Ag23(PPh3)8(SC2H4Ph)18 nanocluster. a Ideal structure of 1 × 1 × 2 supercell of fcc packing mode. The face centers and vertices of the unit cells are shown in yellow and green, respectively. b Twisted supercell observed in the Ag23 nanocluster, in which the two fcc unit cells are twisted by ca. 27 ̊ with respect to each other, resulting in a helical structure. c Two rhombic bipyramids within the nanocluster are highlighted by blue and red facets. d Total framework of Ag23 with C2 symmetry. e and f show the total framework of Ag23S18P8 (top and side views). Color labels: S, orange; P, purple

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