The novel arsenate Na4Co7−xAl2/3x(AsO4)6 (x = 1.37): crystal structure, charge‐distribution and bond‐valence‐sum investigations
Identifieur interne : 000167 ( Istex/Checkpoint ); précédent : 000166; suivant : 000168The novel arsenate Na4Co7−xAl2/3x(AsO4)6 (x = 1.37): crystal structure, charge‐distribution and bond‐valence‐sum investigations
Auteurs : Riadh Marzouki ; Abderrahmen Guesmi [Tunisie] ; Ahmed DrissSource :
- Acta Crystallographica Section C [ 0108-2701 ] ; 2010-10-15.
Abstract
The title compound, tetrasodium cobalt aluminium hexaarsenate, Na4Co7−xAl2/3x(AsO4)6 (x = 1.37), is isostructural with K4Ni7(AsO4)6; however, in its crystal structure, some of the Co2+ ions are substituted by Al3+ in a fully occupied octahedral site (site symmetry 2/m) and a partially occupied tetrahedral site (site symmetry 2). A third octahedral site is fully occupied by Co2+ ions only. One of the two independent tetrahedral As atoms and two of its attached O atoms reside on a mirror plane, as do two of the three independent Na+ cations, all of which are present at half‐occupancy. The proposed structural model based on a careful investigation of the crystal data is supported by charge‐distribution (CHARDI) analysis and bond‐valence‐sum (BVS) calculations. The correlation between the X‐ray refinement and the validation results is discussed.
Url:
DOI: 10.1107/S0108270110037376
Affiliations:
Links toward previous steps (curation, corpus...)
Links to Exploration step
ISTEX:89B682C765AA3ECCF423BF6E5ADBCBD47701E595Le document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">The novel arsenate Na4Co7−xAl2/3x(AsO4)6 (x = 1.37): crystal structure, charge‐distribution and bond‐valence‐sum investigations</title>
<author><name sortKey="Marzouki, Riadh" sort="Marzouki, Riadh" uniqKey="Marzouki R" first="Riadh" last="Marzouki">Riadh Marzouki</name>
</author>
<author><name sortKey="Guesmi, Abderrahmen" sort="Guesmi, Abderrahmen" uniqKey="Guesmi A" first="Abderrahmen" last="Guesmi">Abderrahmen Guesmi</name>
<affiliation><country>Tunisie</country>
<placeName><settlement type="city">Tunis</settlement>
<region type="region" nuts="2">Gouvernorat de Tunis</region>
</placeName>
<orgName type="university" n="3">Université de Tunis - El Manar</orgName>
</affiliation>
</author>
<author><name sortKey="Driss, Ahmed" sort="Driss, Ahmed" uniqKey="Driss A" first="Ahmed" last="Driss">Ahmed Driss</name>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">ISTEX</idno>
<idno type="RBID">ISTEX:89B682C765AA3ECCF423BF6E5ADBCBD47701E595</idno>
<date when="2010" year="2010">2010</date>
<idno type="doi">10.1107/S0108270110037376</idno>
<idno type="url">https://api.istex.fr/document/89B682C765AA3ECCF423BF6E5ADBCBD47701E595/fulltext/pdf</idno>
<idno type="wicri:Area/Istex/Corpus">000383</idno>
<idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000383</idno>
<idno type="wicri:Area/Istex/Curation">000131</idno>
<idno type="wicri:Area/Istex/Checkpoint">000167</idno>
<idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">000167</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">The novel arsenate Na4Co7−xAl2/3x(AsO4)6 (x = 1.37): crystal structure, charge‐distribution and bond‐valence‐sum investigations</title>
<author><name sortKey="Marzouki, Riadh" sort="Marzouki, Riadh" uniqKey="Marzouki R" first="Riadh" last="Marzouki">Riadh Marzouki</name>
</author>
<author><name sortKey="Guesmi, Abderrahmen" sort="Guesmi, Abderrahmen" uniqKey="Guesmi A" first="Abderrahmen" last="Guesmi">Abderrahmen Guesmi</name>
<affiliation><country>Tunisie</country>
<placeName><settlement type="city">Tunis</settlement>
<region type="region" nuts="2">Gouvernorat de Tunis</region>
</placeName>
<orgName type="university" n="3">Université de Tunis - El Manar</orgName>
</affiliation>
</author>
<author><name sortKey="Driss, Ahmed" sort="Driss, Ahmed" uniqKey="Driss A" first="Ahmed" last="Driss">Ahmed Driss</name>
</author>
</analytic>
<monogr></monogr>
<series><title level="j">Acta Crystallographica Section C</title>
<title level="j" type="abbrev">Acta Cryst. C</title>
<idno type="ISSN">0108-2701</idno>
<idno type="eISSN">1600-5759</idno>
<imprint><publisher>International Union of Crystallography</publisher>
<pubPlace>5 Abbey Square, Chester, Cheshire CH1 2HU, England</pubPlace>
<date type="published" when="2010-10-15">2010-10-15</date>
<biblScope unit="volume">66</biblScope>
<biblScope unit="issue">10</biblScope>
<biblScope unit="page" from="95">i95</biblScope>
<biblScope unit="page" to="98">i98</biblScope>
</imprint>
<idno type="ISSN">0108-2701</idno>
</series>
<idno type="istex">89B682C765AA3ECCF423BF6E5ADBCBD47701E595</idno>
<idno type="DOI">10.1107/S0108270110037376</idno>
<idno type="ArticleID">AYCSQ3262</idno>
</biblStruct>
</sourceDesc>
<seriesStmt><idno type="ISSN">0108-2701</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass></textClass>
<langUsage><language ident="en">en</language>
</langUsage>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The title compound, tetrasodium cobalt aluminium hexaarsenate, Na4Co7−xAl2/3x(AsO4)6 (x = 1.37), is isostructural with K4Ni7(AsO4)6; however, in its crystal structure, some of the Co2+ ions are substituted by Al3+ in a fully occupied octahedral site (site symmetry 2/m) and a partially occupied tetrahedral site (site symmetry 2). A third octahedral site is fully occupied by Co2+ ions only. One of the two independent tetrahedral As atoms and two of its attached O atoms reside on a mirror plane, as do two of the three independent Na+ cations, all of which are present at half‐occupancy. The proposed structural model based on a careful investigation of the crystal data is supported by charge‐distribution (CHARDI) analysis and bond‐valence‐sum (BVS) calculations. The correlation between the X‐ray refinement and the validation results is discussed.</div>
</front>
</TEI>
<affiliations><list><country><li>Tunisie</li>
</country>
<region><li>Gouvernorat de Tunis</li>
</region>
<settlement><li>Tunis</li>
</settlement>
<orgName><li>Université de Tunis - El Manar</li>
</orgName>
</list>
<tree><noCountry><name sortKey="Driss, Ahmed" sort="Driss, Ahmed" uniqKey="Driss A" first="Ahmed" last="Driss">Ahmed Driss</name>
<name sortKey="Marzouki, Riadh" sort="Marzouki, Riadh" uniqKey="Marzouki R" first="Riadh" last="Marzouki">Riadh Marzouki</name>
</noCountry>
<country name="Tunisie"><region name="Gouvernorat de Tunis"><name sortKey="Guesmi, Abderrahmen" sort="Guesmi, Abderrahmen" uniqKey="Guesmi A" first="Abderrahmen" last="Guesmi">Abderrahmen Guesmi</name>
</region>
</country>
</tree>
</affiliations>
</record>
Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Wicri/Terre/explor/CobaltMaghrebV1/Data/Istex/Checkpoint
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 000167 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Istex/Checkpoint/biblio.hfd -nk 000167 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien |wiki= Wicri/Terre |area= CobaltMaghrebV1 |flux= Istex |étape= Checkpoint |type= RBID |clé= ISTEX:89B682C765AA3ECCF423BF6E5ADBCBD47701E595 |texte= The novel arsenate Na4Co7−xAl2/3x(AsO4)6 (x = 1.37): crystal structure, charge‐distribution and bond‐valence‐sum investigations }}
This area was generated with Dilib version V0.6.32. |