CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000115

Crystal structure of new hexahydrate dicobalt pyrophosphate Co2P2O7.6 H2O: comparison with Co2P2O7.2 H2O, α-, β- and γ-Co2P2O7

Identifieur interne : 000115 ( Maroc/Analysis ); précédent : 000114; suivant : 000116

Crystal structure of new hexahydrate dicobalt pyrophosphate Co2P2O7.6 H2O: comparison with Co2P2O7.2 H2O, α-, β- and γ-Co2P2O7

Auteurs : F. Capitelli [Italie] ; M. Harcharras [Maroc] ; H. Assaaoudi [Maroc] ; A. Ennaciri [Maroc] ; A. G. G. Moliterni [Italie] ; V. Bertolasi [Italie]

Source :

Zeitschrift für Kristallographie [ 0044-2968 ] ; 2003.

RBID : Pascal:03-0320033

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Diffraction RX, Structure cristalline, Mode empilement, Liaison hydrogène, Conformation, Cobalt Diphosphate, Cobalt Diphosphate, Hydrate, 6166F, Co2P2O7, Co O P.

English descriptors

KwdEn :
- Cobalt Diphosphates, Cobalt Pyrophosphates, Conformation, Crystal structure, Experimental study, Hydrates, Hydrogen bonds, Stacking sequence, XRD.

Abstract

A new dicobalt pyrophosphate, Co₂P₂O₇.6 H₂O, has been synthesized and characterized by single crystal X-ray diffraction. The compound belongs to the monoclinic space group P2₁/n, and its unit cell dimensions are: a = 7.2077(2), b = 18.3373(5), c = 7.6762(2) Å, β = 92.4356(15)°, V = 1013.64(5) Å³, Z = 4. The structural parameters were refined to an R index of 0.0570 for 1937 reflections with I > 2σ(I_o). The framework of this pyrophosphate is made by the packing of layers of discrete CoO₆ octahedra connected by double tetrahedra P₂O₇ groups. The (P₂O₇)^4- anion group shows bent eclipsed conformation. A comparative study among anhydrous (α-, β- and γ-Co₂P₂O₇) and hydrated forms (Co₂P₂O₇ . 2 H₂O) of dicobalt pyrophosphates known in literature is presented.

Affiliations:

Italie, Maroc

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Pascal:03-0320033

Le document en format XML

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P<sub>2</sub>
O<sub>7</sub>
.6 H<sub>2</sub>
O: comparison with Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
.2 H<sub>2</sub>
O, α-, β- and γ-Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
</title>
<author><name sortKey="Capitelli, F" sort="Capitelli, F" uniqKey="Capitelli F" first="F." last="Capitelli">F. Capitelli</name>
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<s3>ITA</s3>
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<country>Italie</country>
<wicri:noRegion>70125 Bari</wicri:noRegion>
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<author><name sortKey="Harcharras, M" sort="Harcharras, M" uniqKey="Harcharras M" first="M." last="Harcharras">M. Harcharras</name>
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<s2>14000 Kenitra</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
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<sZ>6 aut.</sZ>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Crystal structure of new hexahydrate dicobalt pyrophosphate Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
.6 H<sub>2</sub>
O: comparison with Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
.2 H<sub>2</sub>
O, α-, β- and γ-Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
</title>
<author><name sortKey="Capitelli, F" sort="Capitelli, F" uniqKey="Capitelli F" first="F." last="Capitelli">F. Capitelli</name>
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<s3>ITA</s3>
<sZ>1 aut.</sZ>
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<wicri:noRegion>70125 Bari</wicri:noRegion>
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</author>
<author><name sortKey="Harcharras, M" sort="Harcharras, M" uniqKey="Harcharras M" first="M." last="Harcharras">M. Harcharras</name>
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<s2>14000 Kenitra</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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<wicri:noRegion>14000 Kenitra</wicri:noRegion>
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<author><name sortKey="Assaaoudi, H" sort="Assaaoudi, H" uniqKey="Assaaoudi H" first="H." last="Assaaoudi">H. Assaaoudi</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratory of Spectroscopy, Department of Chemistry, Faculty of Sciences, University Ibn Tofail; B.P.133</s1>
<s2>14000 Kenitra</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<wicri:noRegion>14000 Kenitra</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Ennaciri, A" sort="Ennaciri, A" uniqKey="Ennaciri A" first="A." last="Ennaciri">A. Ennaciri</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratory of Spectroscopy, Department of Chemistry, Faculty of Sciences, University Ibn Tofail; B.P.133</s1>
<s2>14000 Kenitra</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<wicri:noRegion>14000 Kenitra</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Moliterni, A G G" sort="Moliterni, A G G" uniqKey="Moliterni A" first="A. G. G." last="Moliterni">A. G. G. Moliterni</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>CNR - Institute of Crystallography (IC), c/o Dipartimento Geomineralogico, Via Orabona 4</s1>
<s2>70125 Bari</s2>
<s3>ITA</s3>
<sZ>1 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Italie</country>
<wicri:noRegion>70125 Bari</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Bertolasi, V" sort="Bertolasi, V" uniqKey="Bertolasi V" first="V." last="Bertolasi">V. Bertolasi</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Dipartimento di Chimica and Centro di Strutturistica Diffrattometrica, University di Ferrara, via Borsari 46</s1>
<s2>44100 Ferrara</s2>
<s3>ITA</s3>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Italie</country>
<wicri:noRegion>44100 Ferrara</wicri:noRegion>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Zeitschrift für Kristallographie</title>
<title level="j" type="abbreviated">Z. Kristallogr.</title>
<idno type="ISSN">0044-2968</idno>
<imprint><date when="2003">2003</date>
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<idno type="ISSN">0044-2968</idno>
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</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt Diphosphates</term>
<term>Cobalt Pyrophosphates</term>
<term>Conformation</term>
<term>Crystal structure</term>
<term>Experimental study</term>
<term>Hydrates</term>
<term>Hydrogen bonds</term>
<term>Stacking sequence</term>
<term>XRD</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Diffraction RX</term>
<term>Structure cristalline</term>
<term>Mode empilement</term>
<term>Liaison hydrogène</term>
<term>Conformation</term>
<term>Cobalt Diphosphate</term>
<term>Cobalt Diphosphate</term>
<term>Hydrate</term>
<term>6166F</term>
<term>Co2P2O7</term>
<term>Co O P</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">A new dicobalt pyrophosphate, Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
.6 H<sub>2</sub>
O, has been synthesized and characterized by single crystal X-ray diffraction. The compound belongs to the monoclinic space group P2<sub>1</sub>
/n, and its unit cell dimensions are: a = 7.2077(2), b = 18.3373(5), c = 7.6762(2) Å, β = 92.4356(15)°, V = 1013.64(5) Å<sup>3</sup>
, Z = 4. The structural parameters were refined to an R index of 0.0570 for 1937 reflections with I > 2σ(I<sub>o</sub>
). The framework of this pyrophosphate is made by the packing of layers of discrete CoO<sub>6</sub>
 octahedra connected by double tetrahedra P<sub>2</sub>
O<sub>7</sub>
 groups. The (P<sub>2</sub>
O<sub>7</sub>
)<sup>4-</sup>
 anion group shows bent eclipsed conformation. A comparative study among anhydrous (α-, β- and γ-Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
) and hydrated forms (Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
 . 2 H<sub>2</sub>
O) of dicobalt pyrophosphates known in literature is presented.</div>
</front>
</TEI>
<affiliations><list><country><li>Italie</li>
<li>Maroc</li>
</country>
</list>
<tree><country name="Italie"><noRegion><name sortKey="Capitelli, F" sort="Capitelli, F" uniqKey="Capitelli F" first="F." last="Capitelli">F. Capitelli</name>
</noRegion>
<name sortKey="Bertolasi, V" sort="Bertolasi, V" uniqKey="Bertolasi V" first="V." last="Bertolasi">V. Bertolasi</name>
<name sortKey="Moliterni, A G G" sort="Moliterni, A G G" uniqKey="Moliterni A" first="A. G. G." last="Moliterni">A. G. G. Moliterni</name>
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</country>
</tree>
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</record>

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Crystal structure of new hexahydrate dicobalt pyrophosphate Co2P2O7.6 H2O: comparison with Co2P2O7.2 H2O, α-, β- and γ-Co2P2O7

Crystal structure of new hexahydrate dicobalt pyrophosphate Co2P2O7.6 H2O: comparison with Co2P2O7.2 H2O, α-, β- and γ-Co2P2O7

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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