ThuliumV1, Istex, Curation, bibRecord, 002067

Preparation and Crystal Structure of the Ternary Lanthanoid Nickel Arsenides Ln13Ni25As19 (Ln = Tm, Yb, and Lu)

Identifieur interne : 002067 ( Istex/Curation ); précédent : 002066; suivant : 002068

Preparation and Crystal Structure of the Ternary Lanthanoid Nickel Arsenides Ln13Ni25As19 (Ln = Tm, Yb, and Lu)

Auteurs : Wolfgang Jeitschko [Allemagne] ; Ludger J. Terbüchte ; Ute Ch. Rodewald

Source :

ZAAC ‐ Journal of Inorganic and General Chemistry [ 0044-2313 ] ; 2001-09.

RBID : ISTEX:933DE9E38CB404B4069839D9C25C129EFC583B2D

English descriptors

Abstract

The title compounds were prepared by reaction of the elemental components at high temperatures. They crystallize with a new structure type which was determined from single‐crystal X‐ray data of Tm13Ni25As19: P 6, a = 1621.9(4) pm, c = 387.78(8) pm, Z = 1, R = 0.025 for 3164 structure factors and 119 variable parameters. The refinement of the occupancy parameters suggested a mixed Tm/Ni occupancy for one metal position and defects for one nickel site resulting in the composition Tm12.57(1)Ni25.22(2)As19. These arsenides belong to a large structural family with a metal to metalloid ratio of 2 : 1.

Url:

https://api.istex.fr/document/933DE9E38CB404B4069839D9C25C129EFC583B2D/fulltext/pdf

DOI: 10.1002/1521-3749(200109)627:9<2095::AID-ZAAC2095>3.0.CO;2-B

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Ludger J. Terbüchte

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<wicri:noCountry code="subField">Wilhelms‐Universität</wicri:noCountry>
</affiliation>

Ute Ch. Rodewald

<affiliation><mods:affiliation>Münster, Anorganisch‐Chemisches Institut der Westfälischen Wilhelms‐Universität</mods:affiliation>
<wicri:noCountry code="subField">Wilhelms‐Universität</wicri:noCountry>
</affiliation>

Le document en format XML

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<affiliation wicri:level="1"><mods:affiliation>Correspondence address: Anorganisch‐Chemisches Institut, Universität Münster, Wilhelm Klemm‐Straße 8, D‐48149 Münster, Germany</mods:affiliation>
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<sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Preparation and Crystal Structure of the Ternary Lanthanoid Nickel Arsenides <hi rend="italic">Ln</hi>
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Ni<hi rend="subscript">25</hi>
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 = Tm, Yb, and Lu)</title>
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<term>Arsenic neighbors</term>
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<term>Coordination polyhedra</term>
<term>Crystal data</term>
<term>Crystal structure</term>
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<term>Ideal composition</term>
<term>Jeitschko</term>
<term>Lattice constants</term>
<term>Metal atoms</term>
<term>Mirror planes</term>
<term>Nickel atoms</term>
<term>Rare earth elements</term>
<term>Scanning electron microscope</term>
<term>Silica tubes</term>
<term>Sixth arsenic neighbor</term>
<term>Solid state chem</term>
<term>Standard deviations</term>
<term>Structure determination</term>
<term>Ternary lanthanoid nickel arsenides</term>
<term>Tetrahedral arsenic coordination</term>
<term>Thulium atoms</term>
<term>Trigonal prisms</term>
<term>Universitat munster</term>
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<term>Arsenic</term>
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<term>Arsenide</term>
<term>Chem</term>
<term>Coordination polyhedra</term>
<term>Crystal data</term>
<term>Crystal structure</term>
<term>Elemental components</term>
<term>Final cycles</term>
<term>High temperatures</term>
<term>Ideal composition</term>
<term>Jeitschko</term>
<term>Lattice constants</term>
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<term>Mirror planes</term>
<term>Nickel atoms</term>
<term>Rare earth elements</term>
<term>Scanning electron microscope</term>
<term>Silica tubes</term>
<term>Sixth arsenic neighbor</term>
<term>Solid state chem</term>
<term>Standard deviations</term>
<term>Structure determination</term>
<term>Ternary lanthanoid nickel arsenides</term>
<term>Tetrahedral arsenic coordination</term>
<term>Thulium atoms</term>
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<front><div type="abstract" xml:lang="en">The title compounds were prepared by reaction of the elemental components at high temperatures. They crystallize with a new structure type which was determined from single‐crystal X‐ray data of Tm13Ni25As19: P 6, a = 1621.9(4) pm, c = 387.78(8) pm, Z = 1, R = 0.025 for 3164 structure factors and 119 variable parameters. The refinement of the occupancy parameters suggested a mixed Tm/Ni occupancy for one metal position and defects for one nickel site resulting in the composition Tm12.57(1)Ni25.22(2)As19. These arsenides belong to a large structural family with a metal to metalloid ratio of 2 : 1.</div>
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Preparation and Crystal Structure of the Ternary Lanthanoid Nickel Arsenides Ln13Ni25As19 (Ln = Tm, Yb, and Lu)

Preparation and Crystal Structure of the Ternary Lanthanoid Nickel Arsenides Ln13Ni25As19 (Ln = Tm, Yb, and Lu)

Source :

English descriptors

Abstract

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Links to Exploration step

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