Preparation and Crystal Structure of the Ternary Lanthanoid Nickel Arsenides Ln13Ni25As19 (Ln = Tm, Yb, and Lu)
Identifieur interne : 002067 ( Istex/Corpus ); précédent : 002066; suivant : 002068Preparation and Crystal Structure of the Ternary Lanthanoid Nickel Arsenides Ln13Ni25As19 (Ln = Tm, Yb, and Lu)
Auteurs : Wolfgang Jeitschko ; Ludger J. Terbüchte ; Ute Ch. RodewaldSource :
- ZAAC ‐ Journal of Inorganic and General Chemistry [ 0044-2313 ] ; 2001-09.
English descriptors
- KwdEn :
- Allg, Anisotropic displacement parameters, Anorg, Arsenic, Arsenic atoms, Arsenic neighbors, Arsenide, Chem, Coordination polyhedra, Crystal data, Crystal structure, Elemental components, Final cycles, High temperatures, Ideal composition, Jeitschko, Lattice constants, Metal atoms, Mirror planes, Nickel atoms, Rare earth elements, Scanning electron microscope, Silica tubes, Sixth arsenic neighbor, Solid state chem, Standard deviations, Structure determination, Ternary lanthanoid nickel arsenides, Tetrahedral arsenic coordination, Thulium atoms, Trigonal prisms, Universitat munster.
- Teeft :
- Allg, Anisotropic displacement parameters, Anorg, Arsenic, Arsenic atoms, Arsenic neighbors, Arsenide, Chem, Coordination polyhedra, Crystal data, Crystal structure, Elemental components, Final cycles, High temperatures, Ideal composition, Jeitschko, Lattice constants, Metal atoms, Mirror planes, Nickel atoms, Rare earth elements, Scanning electron microscope, Silica tubes, Sixth arsenic neighbor, Solid state chem, Standard deviations, Structure determination, Ternary lanthanoid nickel arsenides, Tetrahedral arsenic coordination, Thulium atoms, Trigonal prisms, Universitat munster.
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:
DOI: 10.1002/1521-3749(200109)627:9<2095::AID-ZAAC2095>3.0.CO;2-B
Links to Exploration step
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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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<p>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 Tm<hi rend="subscript">13</hi>
Ni<hi rend="subscript">25</hi>
As<hi rend="subscript">19</hi>
: <hi rend="italic">P</hi>
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= 387.78(8) pm, <hi rend="italic">Z</hi>
= 1, <hi rend="italic">R</hi>
= 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 Tm<hi rend="subscript">12.57(1)</hi>
Ni<hi rend="subscript">25.22(2)</hi>
As<hi rend="subscript">19</hi>
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<abstract xml:lang="de" style="main"><p><hi rend="bold">Darstellung und Kristallstruktur der ternären Lanthanoid‐Nickel‐Arsenide </hi>
<hi rend="italic">Ln</hi>
<hi rend="bold"><hi rend="subscript">13</hi>
Ni<hi rend="subscript">25</hi>
As<hi rend="subscript">19</hi>
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<p>Die im Titel genannten Verbindungen wurden durch Reaktion der elementaren Komponenten bei hohen Temperaturen hergestellt. Sie kristallisieren in einem neuen Strukturtyp, der aus Röntgen‐Einkristalldaten von Tm<hi rend="subscript">13</hi>
Ni<hi rend="subscript">25</hi>
As<hi rend="subscript">19</hi>
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= 387,78(8) pm, <hi rend="italic">Z</hi>
= 1. <hi rend="italic">R</hi>
= 0,025 für 3164 Strukturfaktoren und 119 variable Parameter. Die Verfeinerung der Besetzungsparameter ergab eine gemischte Tm/Ni‐Besetzung für eine der Metallpositionen und eine leichte Unterbesetzung einer Nickellage entsprechend der Zusammensetzung Tm<hi rend="subscript">12,57(1)</hi>
Ni<hi rend="subscript">25,22(2)</hi>
As<hi rend="subscript">19</hi>
. Diese Arsenide gehören zu einer großen Strukturfamilie mit einem Metall‐ zu Metalloid‐Verhältnis von 2 : 1.</p>
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<titleGroup><title type="main" xml:lang="en">Preparation and Crystal Structure of the Ternary Lanthanoid Nickel Arsenides <i>Ln</i>
<sub>13</sub>
Ni<sub>25</sub>
As<sub>19</sub>
(<i>Ln</i>
= Tm, Yb, and Lu)</title>
</titleGroup>
<creators><creator xml:id="au1" creatorRole="author" affiliationRef="#a1" corresponding="yes"><personName><givenNames>Wolfgang</givenNames>
<familyName>Jeitschko</familyName>
</personName>
</creator>
<creator xml:id="au2" creatorRole="author" affiliationRef="#a1"><personName><givenNames>Ludger J.</givenNames>
<familyName>Terbüchte</familyName>
</personName>
</creator>
<creator xml:id="au3" creatorRole="author" affiliationRef="#a1"><personName><givenNames>Ute Ch.</givenNames>
<familyName>Rodewald</familyName>
</personName>
</creator>
</creators>
<affiliationGroup><affiliation xml:id="a1" countryCode="DE" type="organization"><unparsedAffiliation>Münster, Anorganisch‐Chemisches Institut der Westfälischen Wilhelms‐Universität</unparsedAffiliation>
</affiliation>
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<keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">Crystal structure</keyword>
<keyword xml:id="kwd2">Rare earth compounds</keyword>
<keyword xml:id="kwd3">Arsenides</keyword>
</keywordGroup>
<abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title>
<p>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 Tm<sub>13</sub>
Ni<sub>25</sub>
As<sub>19</sub>
: <i>P</i>
6, <i>a</i>
= 1621.9(4) pm, <i>c</i>
= 387.78(8) pm, <i>Z</i>
= 1, <i>R</i>
= 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 Tm<sub>12.57(1)</sub>
Ni<sub>25.22(2)</sub>
As<sub>19</sub>
. These arsenides belong to a large structural family with a metal to metalloid ratio of 2 : 1.</p>
</abstract>
<abstract type="main" xml:lang="de"><p><b>Darstellung und Kristallstruktur der ternären Lanthanoid‐Nickel‐Arsenide </b>
<i>Ln</i>
<b><sub>13</sub>
Ni<sub>25</sub>
As<sub>19</sub>
(</b>
<i>Ln</i>
<b> = Tm, Yb und Lu)</b>
</p>
<p>Die im Titel genannten Verbindungen wurden durch Reaktion der elementaren Komponenten bei hohen Temperaturen hergestellt. Sie kristallisieren in einem neuen Strukturtyp, der aus Röntgen‐Einkristalldaten von Tm<sub>13</sub>
Ni<sub>25</sub>
As<sub>19</sub>
bestimmt worden ist: <i>P</i>
6, <i>a</i>
= 1621,9(4) pm, <i>c</i>
= 387,78(8) pm, <i>Z</i>
= 1. <i>R</i>
= 0,025 für 3164 Strukturfaktoren und 119 variable Parameter. Die Verfeinerung der Besetzungsparameter ergab eine gemischte Tm/Ni‐Besetzung für eine der Metallpositionen und eine leichte Unterbesetzung einer Nickellage entsprechend der Zusammensetzung Tm<sub>12,57(1)</sub>
Ni<sub>25,22(2)</sub>
As<sub>19</sub>
. Diese Arsenide gehören zu einer großen Strukturfamilie mit einem Metall‐ zu Metalloid‐Verhältnis von 2 : 1.</p>
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<name type="personal"><namePart type="given">Wolfgang</namePart>
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<affiliation>Münster, Anorganisch‐Chemisches Institut der Westfälischen Wilhelms‐Universität</affiliation>
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<name type="personal"><namePart type="given">Ludger J.</namePart>
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<abstract 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.</abstract>
<abstract>Darstellung und Kristallstruktur der ternären Lanthanoid‐Nickel‐Arsenide Ln13Ni25As19 (Ln = Tm, Yb und Lu)</abstract>
<abstract>Die im Titel genannten Verbindungen wurden durch Reaktion der elementaren Komponenten bei hohen Temperaturen hergestellt. Sie kristallisieren in einem neuen Strukturtyp, der aus Röntgen‐Einkristalldaten von Tm13Ni25As19 bestimmt worden ist: P 6, a = 1621,9(4) pm, c = 387,78(8) pm, Z = 1. R = 0,025 für 3164 Strukturfaktoren und 119 variable Parameter. Die Verfeinerung der Besetzungsparameter ergab eine gemischte Tm/Ni‐Besetzung für eine der Metallpositionen und eine leichte Unterbesetzung einer Nickellage entsprechend der Zusammensetzung Tm12,57(1)Ni25,22(2)As19. Diese Arsenide gehören zu einer großen Strukturfamilie mit einem Metall‐ zu Metalloid‐Verhältnis von 2 : 1.</abstract>
<subject lang="en"><genre>keywords</genre>
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