 | Acta Crystallographica Section B Acta Crystallographica Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS |
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![[Figure 5]](bs0005fig5mag.jpg)
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Figure 5
Projection of the structure of α-K3NdSi6O15·2H2O along [001] showing the coordination geometry about K(1) and K(3). K(1), at elevation 0, is bonded to O(4) at 0, to O(9) at 0.2212 and −0.2212, to O(8) at 0.2396 and −0.2396, to O(3) at 0, to Ow(2) at 0.4207 and −0.4207, to O(2) at 0, and to Ow(3) at 0.2924 and −0.2924. O(5) at 0.1799 and −0.1799 serves as a second-nearest anion neighbor. K(3), at elevation 0.5, is bonded to O(7) and O(7)′ each at elevations 0.25 and 0.75, to Ow(3)′ at 0.2924 and 0.7076, to Ow(2)′ at 0.4207 and 0.5793, to O(1) at 0.1828 and 0.8172, and to O(10) at 0.5. O(6) at 0.5 and O(2)′ at 0 and 1 serve as second-nearest neighbors to K(3). In the vicinity of the K(3) atom, the figure includes all atoms from z = 0 to 1, whereas about K(1), K(2) and K(3)′, atoms at elevations greater than ∼ 0.3 have been omitted for clarity. |
![[Figure 5]](bs0005fig5.jpg)
| STRUCTURAL SCIENCE CRYSTAL ENGINEERING MATERIALS |
ISSN: 2052-5206
