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The crystal structure of CuNH4PO4 · H2O from X-ray powder diffraction data

✍ Scribed by Lyakhov, Alexander S.; Ivashkevich, Ludmila S.; Shulga, N.V.; Trifonov, V.A.

Book ID
120506014
Publisher
Oldenbourg Wissenschaftsverlag
Year
2000
Tongue
English
Weight
273 KB
Volume
215
Category
Article
ISSN
2194-4946

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✦ Synopsis

The crystal structure of monoclinic CuNH~4~PO~4~ · H~2~O has been determined from X-ray powder diffraction data. The space group is P2~1~/c. The cell dimensions are a=8.6676(1) Å, b=7.5312(4) Å, c=7.4054(4) Å, β=94.508(3)o, Z=4. The structure of CuNH~4~PO~4~ · H2O was solved ab initio using EXPO program. The structure refinement has been carried out by FULLPROF package. The final R~Bragg~value was 3.4%. The compound has a layered structure. Copper atoms link PO~4~tetrahedra and water molecules to layers which are parallel with yz plane of unit cell. Ammonium cations are in the interlayer space and couple these layers by N-H···O hydrogen bonds.

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✍ Ivashkevich, L. S.; Lyakhov, A. S.; Selevich, A. F.; Ilieva, D.; Lesnikovich, A. 📂 Article 📅 2002 🏛 Oldenbourg Wissenschaftsverlag 🌐 English ⚖ 354 KB

## Abstract The crystal structure of Y~2~P~4~O~13~ has been determined from X-ray powder diffraction data. Y~2~P~4~O~13~ crystallizes in the orthorhombic space group __C__222~1~ (No. 20) with __a__ = 17.2817(7) Å, __b__ = 6.9823(4) Å, __c__ = 8.5391(3) Å, __V__ = 1030.38(8) Å^3^, and __Z__ = 4. The