 | Acta Crystallographica Section E Acta Crystallographica Section E CRYSTALLOGRAPHIC COMMUNICATIONS |
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![[Figure 4]](pk2667fig4mag.jpg)
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Figure 4
Polyhedral model showing the interconnection of the PBUs (selenate ions in red, {BaO9} coordination polyhedra in green, [Sn(OH)6]2− ions in gray) and their orientation with respect to the different threefold rotation axes (blue, letter = Wyckoff position) of space group P63. Oxygen atoms (red) and hydrogen atoms (gray) are drawn as spheres of arbitrary radius. Hydrogen bonds are indicated as broken red sticks, visible Ba—O coordinative bonds as shortened, two-colored sticks, and visible Sn—O bonds as shortened, brass-colored sticks. In order to show the linkage of the SBUs and to visualize the trigonal–prismatic void between the hexahydroxidostannate ions, one additional {BaO9} coordination polyhedron and one additional [Sn(OH)6]2− ion are also shown. |
![[Figure 4]](pk2667fig4.jpg)
| CRYSTALLOGRAPHIC COMMUNICATIONS |
ISSN: 2056-9890
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