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Alexander S. Lyakhov, Ludmila S. Ivashkevich, N.V. Shulga, V.A. Trifonov

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

The crystal structure of monoclinic CuNH₄PO₄ · H₂O has been determined from X-ray powder diffraction data. The space group is P2₁/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 CuNH₄PO₄ · H2O was solved ab initio using EXPO program. The structure refinement has been carried out by FULLPROF package. The final R_Braggvalue was 3.4%. The compound has a layered structure. Copper atoms link PO₄tetrahedra 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.

Zeitschrift für Kristallographie, Oldenbourg Wissenschaftsverlag

Print ISSN: 0044-2968
Volume: 215, 04/2000
Pages: 231

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