Figure 3
Representation of the atomic coordinates (as spheres), the occupancies (as colored fractions of spheres, with white meaning unoccupied) and the calculated electron-density isosurfaces in the refined structure of the Y-Cd-Mg 2/1 cAP. (a) shell structures in the RTH unit. (b) structure of the DFP unit. (c) electron-density isosurfaces at Y6 and M27 as obtained from the maximum entropy method. The electron-density isosurfaces were drawn at the 5 e−Å−3 level. |