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Synthesis, crystal structure and optical properties of the catena-metaphosphates Ce(PO3)4 and U(PO3)4

  • Henning A. Höppe and Michi Daub
Published/Copyright: January 24, 2012
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Zeitschrift für Kristallographie - Crystalline Materials
From the journal Zeitschrift für Kristallographie - Crystalline Materials Volume 227 Issue 8

Abstract

The catena-metaphosphates of tetravalent cerium and tetravalent uranium were obtained as phase pure crystalline powders by reaction of the respective dioxides with phosphoric acid at 500 °C. Ce(PO3)4 and U(PO3)4 crystallise in space group C2/c (Z = 16, aCe = 13.7696(3) Å, bCe = 29.7120(7) Å, cCe = 8.9269(2) Å, βCe = 90.00(1) Å3 and aU = 13.786(3) Å, bU = 29.843(6) Å, cU = 8.9720(18) Å, βU = 90.01(3) Å3). The vibrational and optical spectra of pale yellow Ce(PO3)4 and emerald-greenish U(PO3)4 are also reported.

Keywords: Cerium; Uranium; Polyphosphate; Crystal structure; Absorption spectrum
* Correspondence address: Universität Augsburg, Institut für Physik, Universitätsstr. 1, 86159 Augsburg, Deutschland,
Published Online: 2012-01-24
Published in Print: 2012-08

© by Oldenbourg Wissenschaftsverlag, München, Germany

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  1. Elastic stiffness coefficients of thenardite and their pressure and temperature dependence
  2. Compressibility of microporous materials with CHA topology: 2. ALPO-34
  3. A Detailed Study of the Dehydration Process in Synthetic Strelkinite, Na[(UO2)(VO4)] · nH2O (n = 0, 1, 2)
  4. Mixed-ligand coordination of the (UO2)2+ cation and apophyllite topology of uranyl chlorochromate layer in the structure of ((CH3)2CHNH3)[(UO2)(CrO4)Cl(H2O)]
  5. Synthesis, crystal structure and optical properties of the catena-metaphosphates Ce(PO3)4 and U(PO3)4
  6. The Solid Solution CeAgxZn11–x (x ≤ 2.5)
  7. Ruthenate-ferrites AMRu5O11 (A = Sr, Ba; M = Ni, Zn): Distortion of kagome nets via metal–metal bonding
  8. A Mixed Valent Thioantimonate(III,V): [SbS3]3– and [SbS4]3– as bidentate ligands: Solvothermal synthesis and crystal structure of {Mn(dien)2}2[MnSb2S7]
  9. Hydrates of the Alkali Trioxidomonosulfidomolybdates and -tungstates: K2[(Mo/W)O3S] · 1.5H2O and (Rb/Cs)2[(Mo/W)O3S] · H2O
  10. Crystal structure of 1,4-diazoniabicyclo[2.2.2]octane diiodide monohydrate
  11. Derivation of bond-valence parameters for some cation-oxygen pairs on the basis of empirical relationships between ro and b
  12. The role of the Pb2+ lone electron pair for bond valence sum analysis in mullite-type PbMBO4 (M = Al, Mn and Fe) compounds
  13. The role of lone pairs in the ferroelastic phase transition in the palmierite-type lead phosphate-arsenate solid solution
  14. The role of H2O in controlling bond topology:I. The [6]Mg(SO4)(H2O)n (n = 0–11) structures
  15. Towards systematics of calcite biocrystals: insight from the inside
  16. The use of periodic graphs for representing and analysing crystal structures
  17. Book Review
https://doi.org/10.1524/zkri.2012.1489
Keywords for this article
Cerium; Uranium; Polyphosphate; Crystal structure; Absorption spectrum

Articles in the same Issue

  1. Elastic stiffness coefficients of thenardite and their pressure and temperature dependence
  2. Compressibility of microporous materials with CHA topology: 2. ALPO-34
  3. A Detailed Study of the Dehydration Process in Synthetic Strelkinite, Na[(UO2)(VO4)] · nH2O (n = 0, 1, 2)
  4. Mixed-ligand coordination of the (UO2)2+ cation and apophyllite topology of uranyl chlorochromate layer in the structure of ((CH3)2CHNH3)[(UO2)(CrO4)Cl(H2O)]
  5. Synthesis, crystal structure and optical properties of the catena-metaphosphates Ce(PO3)4 and U(PO3)4
  6. The Solid Solution CeAgxZn11–x (x ≤ 2.5)
  7. Ruthenate-ferrites AMRu5O11 (A = Sr, Ba; M = Ni, Zn): Distortion of kagome nets via metal–metal bonding
  8. A Mixed Valent Thioantimonate(III,V): [SbS3]3– and [SbS4]3– as bidentate ligands: Solvothermal synthesis and crystal structure of {Mn(dien)2}2[MnSb2S7]
  9. Hydrates of the Alkali Trioxidomonosulfidomolybdates and -tungstates: K2[(Mo/W)O3S] · 1.5H2O and (Rb/Cs)2[(Mo/W)O3S] · H2O
  10. Crystal structure of 1,4-diazoniabicyclo[2.2.2]octane diiodide monohydrate
  11. Derivation of bond-valence parameters for some cation-oxygen pairs on the basis of empirical relationships between ro and b
  12. The role of the Pb2+ lone electron pair for bond valence sum analysis in mullite-type PbMBO4 (M = Al, Mn and Fe) compounds
  13. The role of lone pairs in the ferroelastic phase transition in the palmierite-type lead phosphate-arsenate solid solution
  14. The role of H2O in controlling bond topology:I. The [6]Mg(SO4)(H2O)n (n = 0–11) structures
  15. Towards systematics of calcite biocrystals: insight from the inside
  16. The use of periodic graphs for representing and analysing crystal structures
  17. Book Review
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