On the crystal structure and thermal decomposition of ammonium-iron(III) bis(hydrogenphosphate)

NH(4)Fe(HPO(4))(2) and its deuterated form have been synthesized as monophasic polycrystalline materials. Their crystal structures, including hydrogen positions, were determined by Rietveld refinement and Fourier synthesis using constant-wavelength neutron powder diffraction data. In addition, the t...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2010-01, Vol.39 (7), p.1791-1796
Main Authors: Alfonso, Belén F, Blanco, Jesús A, Fernández-Díaz, Maria Teresa, Trobajo, Camino, Khainakov, Sergei A, García, José R
Format: Article
Language:English
Subjects:
Crystal structure
Crystallization
Deuteration
Diffraction
Ferric Compounds - chemical synthesis
Ferric Compounds - chemistry
Fourier analysis
Molecular Structure
Phosphoric Acids - chemistry
Powder Diffraction
Prints
Quaternary Ammonium Compounds - chemistry
Synthesis
Temperature
Thermal decomposition
X-rays
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Summary:NH(4)Fe(HPO(4))(2) and its deuterated form have been synthesized as monophasic polycrystalline materials. Their crystal structures, including hydrogen positions, were determined by Rietveld refinement and Fourier synthesis using constant-wavelength neutron powder diffraction data. In addition, the thermal decomposition of NH(4)Fe(HPO(4))(2) was found to give mixtures of Fe(4)(P(2)O(7))(3) and Fe(PO(3))(3)via NH(4)FeP(2)O(7) formation, the crystal structure of which has also been refined from X-ray powder diffraction data.
ISSN:1477-9226
1477-9234
DOI:10.1039/b912427f