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Title: Pr{sub 4}B{sub 10}O{sub 21}: A new composition of rare-earth borates by high-pressure/high-temperature synthesis

Abstract

High-pressure chemistry led to the synthesis of the rare-earth borate Pr{sub 4}B{sub 10}O{sub 21} using a Walker-type multianvil apparatus at 3.5 GPa and 1050 deg. C. The tetra-praseodymium(III)-decaborate crystallizes monoclinicly with four formula units in the space group P2{sub 1}/n and lattice parameters of a=710.2(2), b=1948.8(4), c=951.6(2) pm, and {beta}=93.27(3){sup o}. The boron-oxygen network consists of [BO{sub 4}]{sup 5-} tetrahedra and [BO{sub 3}]{sup 3-} groups; however, the [BO{sub 4}]{sup 5-} groups represent the major part (80%) due to the high-pressure conditions during the synthesis. The praseodymium ions are coordinated by 10 and 12 oxygen atoms. Along with a detailed description of the crystal structure, temperature programmed X-ray powder diffraction data are shown, demonstrating the metastable character of this compound. - Graphical abstract: Synthesis of Pr{sub 4}B{sub 10}O{sub 21} via the multianvil high-pressure/high-temperature technique representing a new composition of rare-earth borates.

Authors:
 [1];  [1];  [2]
  1. Department Chemie und Biochemie, Ludwig-Maximilians-Universitaet Muenchen, Butenandtstrasse 5-13, D-81377 Munich (Germany)
  2. Department Chemie und Biochemie, Ludwig-Maximilians-Universitaet Muenchen, Butenandtstrasse 5-13, D-81377 Munich (Germany), E-mail: huh@cup.uni-muenchen.de
Publication Date:
OSTI Identifier:
21015814
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Solid State Chemistry; Journal Volume: 180; Journal Issue: 5; Other Information: DOI: 10.1016/j.jssc.2007.02.021; PII: S0022-4596(07)00095-3; Copyright (c) 2007 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; BORATES; LATTICE PARAMETERS; MONOCLINIC LATTICES; PRASEODYMIUM COMPOUNDS; PRASEODYMIUM IONS; PRESSURE RANGE GIGA PA; SPACE GROUPS; SYNTHESIS; TEMPERATURE RANGE 1000-4000 K; X-RAY DIFFRACTION

Citation Formats

Haberer, Almut, Heymann, Gunter, and Huppertz, Hubert. Pr{sub 4}B{sub 10}O{sub 21}: A new composition of rare-earth borates by high-pressure/high-temperature synthesis. United States: N. p., 2007. Web. doi:10.1016/j.jssc.2007.02.021.
Haberer, Almut, Heymann, Gunter, & Huppertz, Hubert. Pr{sub 4}B{sub 10}O{sub 21}: A new composition of rare-earth borates by high-pressure/high-temperature synthesis. United States. doi:10.1016/j.jssc.2007.02.021.
Haberer, Almut, Heymann, Gunter, and Huppertz, Hubert. Tue . "Pr{sub 4}B{sub 10}O{sub 21}: A new composition of rare-earth borates by high-pressure/high-temperature synthesis". United States. doi:10.1016/j.jssc.2007.02.021.
@article{osti_21015814,
title = {Pr{sub 4}B{sub 10}O{sub 21}: A new composition of rare-earth borates by high-pressure/high-temperature synthesis},
author = {Haberer, Almut and Heymann, Gunter and Huppertz, Hubert},
abstractNote = {High-pressure chemistry led to the synthesis of the rare-earth borate Pr{sub 4}B{sub 10}O{sub 21} using a Walker-type multianvil apparatus at 3.5 GPa and 1050 deg. C. The tetra-praseodymium(III)-decaborate crystallizes monoclinicly with four formula units in the space group P2{sub 1}/n and lattice parameters of a=710.2(2), b=1948.8(4), c=951.6(2) pm, and {beta}=93.27(3){sup o}. The boron-oxygen network consists of [BO{sub 4}]{sup 5-} tetrahedra and [BO{sub 3}]{sup 3-} groups; however, the [BO{sub 4}]{sup 5-} groups represent the major part (80%) due to the high-pressure conditions during the synthesis. The praseodymium ions are coordinated by 10 and 12 oxygen atoms. Along with a detailed description of the crystal structure, temperature programmed X-ray powder diffraction data are shown, demonstrating the metastable character of this compound. - Graphical abstract: Synthesis of Pr{sub 4}B{sub 10}O{sub 21} via the multianvil high-pressure/high-temperature technique representing a new composition of rare-earth borates.},
doi = {10.1016/j.jssc.2007.02.021},
journal = {Journal of Solid State Chemistry},
number = 5,
volume = 180,
place = {United States},
year = {Tue May 15 00:00:00 EDT 2007},
month = {Tue May 15 00:00:00 EDT 2007}
}