Cuboctahedron truncated

In Zeolite A. An extensive series of papers concerned with the sorption location and isotherms of Xe in zeolite A have been published (118-122). The locations of sorbates and their structures were investigated by using Metropolis Monte Carlo simulations of zeolite A models (118, 119). Initially, an idealized truncated cuboctahedron was used, with Si and Al atoms occupying vertices and O atoms occupying the midpoints of line segments (118). Subsequent calculations were based on the positions of atoms in... 

Figure 7 0-D truncated cuboctahedron (MOP-1), 2-D square grid framework (MOF-1) and 3-D network structure (MOF-2). (Reproduced fromN.L. Rosi, M. Eddaoudi, J. Kim, M. O Keeffe, O.M. Yaghi, CrystEngComm., 2002, 4, 401 by permission of Royal Society for Chemistry)...

Figure 11. The 13 Archimedean solids, in order of increasing number of vertices. Truncated tetrahedron (1), cuboctahedron (2), truncated cube (3), truncated octahedron (4), rhombicuboctahedron (5), snub cube (6), icosidodecahedron (7), rhombi-truncated cuboctahedron (8), truncated dodecahedron (9), truncated icosahedron (10), rhombicosidodecahedron (11), snub dodecahedron (12), rhombitruncated icosidodecahedron (13) (see also Table 2).

FIGURE 9.9 (a) Image of Pd nanoparticles nucleated at steps and domain boundaries of an alumina film grown on NiAl(OOO). (b) Atomic resolution images of crystaUine Pd nanoparticles. The resolution is kept a few layers down the sides, allowing identification of the side facets. The dots indicate atomic positions consistent with a (111) facet, (c) Schematic representation of a crystalhne truncated cuboctahedron of Pd on an oxide surface. The various potential adsorption sites are indicated by coloring in different gray-scales. Adapted from Freund (2008). 

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