 | Acta Crystallographica Section B Acta Crystallographica Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS |
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![[Figure 1]](ra5152fig1mag.jpg)
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Figure 1
Orthorhombic structure of Ca2AlP8N15(NH) viewed in the ac plane. Ca: yellow, P: violet, N: blue, Al: light gray. The pairs of AlN6 octahedra, marked with arrows, close in projection, do not share any edges, but all PN4 tetrahedra are connected by sharing vertices, forming a three-dimensional network. A blue circle is drawn at the center of three tetrahedra sharing vertices (upper-right side). |
![[Figure 1]](ra5152fig1.jpg)
| STRUCTURAL SCIENCE CRYSTAL ENGINEERING MATERIALS |
ISSN: 2052-5206
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