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Förg K, Höppe HA. Synthesis, crystal structure, optical and thermal properties of lanthanide hydrogen-polyphosphates Ln[H(PO3)4] (Ln = Tb, Dy, Ho). Dalton Trans. 2015;44(44):19163-74doi: 10.1039/c5dt02648b.
Förg, K., & Höppe, H. A. (2015). Synthesis, crystal structure, optical and thermal properties of lanthanide hydrogen-polyphosphates Ln[H(PO3)4] (Ln = Tb, Dy, Ho). Dalton transactions (Cambridge, England : 2003), 44(44), 19163-74. https://doi.org/10.1039/c5dt02648b
Förg, Katharina, and Höppe, Henning A. "Synthesis, crystal structure, optical and thermal properties of lanthanide hydrogen-polyphosphates Ln[H(PO3)4] (Ln = Tb, Dy, Ho)." Dalton transactions (Cambridge, England : 2003) vol. 44,44 (2015): 19163-74. doi: https://doi.org/10.1039/c5dt02648b
Förg K, Höppe HA. Synthesis, crystal structure, optical and thermal properties of lanthanide hydrogen-polyphosphates Ln[H(PO3)4] (Ln = Tb, Dy, Ho). Dalton Trans. 2015 Nov 28;44(44):19163-74. doi: 10.1039/c5dt02648b. Epub 2015 Oct 20. PMID: 26485151.
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Dalton Trans. 2015 Nov 28;44(44):19163-74. doi: 10.1039/c5dt02648b. Epub 2015 Oct 20.

Synthesis, crystal structure, optical and thermal properties of lanthanide hydrogen-polyphosphates Ln[H(PO3)4] (Ln = Tb, Dy, Ho).

Dalton transactions (Cambridge, England : 2003)

Katharina Förg, Henning A Höppe

Affiliations

  1. Institut für Physik, Universität Augsburg, Universitätsstraße 1, Augsburg, Germany. [email protected].

PMID: 26485151 DOI: 10.1039/c5dt02648b

Abstract

Lanthanide hydrogen-polyphosphates Ln[H(PO3)4] (Ln = Tb, Dy, Ho) were synthesised as colourless (Ln = Tb, Dy) and light pink (Ln = Ho) crystalline powders by reaction of Tb4O7/Dy2O3/Ho2O3 with H3PO3 at 380 °C. All compounds crystallise isotypically (P2(1)/c (no. 14), Z = 4, a(Tb) = 1368.24(4) pm, b(Tb) = 710.42(2) pm, c(Tb) = 965.79(3) pm, β(Tb) = 101.200(1)°, 3112 data, 160 parameters, wR2 = 0.062, a(Ho) = 1363.34(5) pm, b(Ho) = 709.24(3) pm, c(Ho) = 959.07(4) pm, β(Ho) = 101.055(1)°, 1607 data, 158 parameters, wR2 = 0.058). The crystal structure comprises two different infinite helical chains of corner-sharing phosphate tetrahedra. In-between these chains the lanthanide ions are located, coordinated by seven oxygen atoms belonging to four different polyphosphate chains. Vibrational, UV/Vis and fluorescence spectra of Ln[H(PO3)4] (Ln = Tb, Dy, Ho) as well as Dy[H(PO3)4]:Ln (Ln = Ce, Eu) and the magnetic and thermal behaviour of Tb[H(PO3)4] are reported.

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