β-Dicobalt pyrophosphate
Identifieur interne : 000233 ( Maroc/Analysis ); précédent : 000232; suivant : 000234β-Dicobalt pyrophosphate
Auteurs : A. El Belghitti [Maroc] ; A. Boukhari [Maroc]Source :
- Acta crystallographica. Section C, Crystal structure communications [ 0108-2701 ] ; 1994.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
A new high-temperature or β form of dicobalt diphosphate, Co2P2O7, has been isolated in space group A2/m (non-standard setting of C2/m). As in other high-temperature forms of transition-metal pyrophosphates, metal atoms lie on planes in a two-dimensional hexagonal array [Co-Co distances 3.461 (4) and 3.284 (3) Å] with adjacent metal atoms linked by two O-atom bridges. Co atoms are octahedrally coordinated with final distortions [average Co-Oeq 2.14 (1), Co-Oax 2.32 (1) Å]
Affiliations:
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- to stream Main, to step Curation: 001230
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- to stream Maroc, to step Extraction: 000233
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Pascal:94-0443191Le document en format XML
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<s2>Rabat</s2>
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<country>Maroc</country>
<placeName><settlement type="city">Rabat</settlement>
<region nuts="2">Rabat-Salé-Kénitra</region>
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<author><name sortKey="Boukhari, A" sort="Boukhari, A" uniqKey="Boukhari A" first="A." last="Boukhari">A. Boukhari</name>
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<country>Maroc</country>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">β-Dicobalt pyrophosphate</title>
<author><name sortKey="El Belghitti, A" sort="El Belghitti, A" uniqKey="El Belghitti A" first="A." last="El Belghitti">A. El Belghitti</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Univ. Mohammed V, fac. sci., lab. chimie solide appliqué</s1>
<s2>Rabat</s2>
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<author><name sortKey="Boukhari, A" sort="Boukhari, A" uniqKey="Boukhari A" first="A." last="Boukhari">A. Boukhari</name>
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<s2>Rabat</s2>
<s3>MAR</s3>
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<sZ>2 aut.</sZ>
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<country>Maroc</country>
<placeName><settlement type="city">Rabat</settlement>
<region nuts="2">Rabat-Salé-Kénitra</region>
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<series><title level="j" type="main">Acta crystallographica. Section C, Crystal structure communications</title>
<title level="j" type="abbreviated">Acta crystallogr., Sect. C Cryst. struct. commun.</title>
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<imprint><date when="1994">1994</date>
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<idno type="ISSN">0108-2701</idno>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt Pyrophosphates</term>
<term>Cobalt phosphates</term>
<term>Crystal structure</term>
<term>Experimental study</term>
<term>Ternary compounds</term>
<term>XRD</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>XRD</term>
<term>Structure cristalline</term>
<term>Composé ternaire</term>
<term>Cobalt phosphate</term>
<term>Cobalt Diphosphate</term>
<term>6166F</term>
<term>6110M</term>
<term>Co2P2O7</term>
<term>Co O P</term>
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<front><div type="abstract" xml:lang="en">A new high-temperature or β form of dicobalt diphosphate, Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
, has been isolated in space group A2/m (non-standard setting of C2/m). As in other high-temperature forms of transition-metal pyrophosphates, metal atoms lie on planes in a two-dimensional hexagonal array [Co-Co distances 3.461 (4) and 3.284 (3) Å] with adjacent metal atoms linked by two O-atom bridges. Co atoms are octahedrally coordinated with final distortions [average Co-O<sub>eq</sub>
2.14 (1), Co-O<sub>ax</sub>
2.32 (1) Å]</div>
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<name sortKey="Boukhari, A" sort="Boukhari, A" uniqKey="Boukhari A" first="A." last="Boukhari">A. Boukhari</name>
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