CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000229

Crystal structures of isotypical diphosphates PbCo3(P2O7)2 and PbFe3(P2O7)2

Identifieur interne : 000229 ( Maroc/Analysis ); précédent : 000228; suivant : 000230

Crystal structures of isotypical diphosphates PbCo3(P2O7)2 and PbFe3(P2O7)2

Auteurs : A. Elmarzouki [Maroc] ; A. Boukhari [Maroc] ; A. Berrada [Maroc] ; E. M. Holt

Source :

Journal of solid state chemistry [ 0022-4596 ] ; 1995.

RBID : Pascal:95-0489047

Descripteurs français

Pascal (Inist)
- Etude expérimentale, XRD, Structure cristalline, Composé quaternaire, Plomb phosphate, Cobalt phosphate, Fer phosphate, Plomb Diphosphate, Cobalt Diphosphate, Fer Diphosphate, 6166F, PbCo3(P2O7)2, Co O P Pb, PbFe3(P2O7)2, Fe O P Pb.

English descriptors

KwdEn :
- Cobalt Pyrophosphates, Cobalt phosphates, Crystal structure, Experimental study, Iron Pyrophosphates, Iron phosphates, Lead Pyrophosphates, Lead phosphates, Quaternary compounds, XRD.

Abstract

Single crystals of the mixed metal diphosphates PbCo₃(P₂O₇)₂ (1) and PbFe₃(P₂O₇)₂ (II) have been prepared by direct fusion and characterized by single-crystal X-ray diffraction, for PbCo₃(P₂O₇)₂ (I), a = 7.275(5), b = 7.725(11), c = 9.511(4)Å, β = 111.89(4)°, monoclinic space group P2₁/c, V = 509.3(5) Å³, d_calC = 4.768 g cm^-3, Z = 2, R/R_w = 3.9/5.1% for 1192 observed reflections. For PbFe₃(P₂O₇)₂ (II), a = 7.487(1), b = 7.739(1), c = 9.516(2) Å, β = 111.95(1)°, monoclinic space group P2₁/c, V = 511.4(2)Å³, d_calC = 4.693 g cm^-3, Z = 2, R/R_w = 4.13/4.87% for 1153 observed reflections. (I) and (II) are isotypical with PbNi₃(P₂O7)₂ and SrNi₃(P₂O₇)₂. The solid lattice is characterized by layers of P₂O^4-₇ groups, parallel to the crystallographic plane (001) and joined by Pb²⁺ and Co²⁺ ions in (I) and Pb²⁺ and Fe²⁺ ions in (II). Lead is seen surrounded by eight oxygen atoms whereas the transition elements are found in chains of linked trimers extending in the [010] direction [Co-Co 3.182(3) and 3.256(3) Å ; Fe-Fe, 3.186(3) and 3.264 (3) Å] with distorted octahedral geometry at each metal atom.

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Le document en format XML

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(P<sub>2O7</sub>
)<sub>2</sub>
 and PbFe<sub>3</sub>
(P<sub>2</sub>
O<sub>7</sub>
)<sub>2</sub>
</title>
<author><name sortKey="Elmarzouki, A" sort="Elmarzouki, A" uniqKey="Elmarzouki A" first="A." last="Elmarzouki">A. Elmarzouki</name>
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<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<placeName><settlement type="city">Rabat</settlement>
<region nuts="2">Rabat-Salé-Kénitra</region>
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</author>
<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>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 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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</affiliation>
</author>
<author><name sortKey="Berrada, A" sort="Berrada, A" uniqKey="Berrada A" first="A." last="Berrada">A. Berrada</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Univ. Mohammed V, fac. sci., lab. chimie solide appliquée</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<placeName><settlement type="city">Rabat</settlement>
<region nuts="2">Rabat-Salé-Kénitra</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Holt, E M" sort="Holt, E M" uniqKey="Holt E" first="E. M." last="Holt">E. M. Holt</name>
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<idno type="inist">95-0489047</idno>
<date when="1995">1995</date>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Crystal structures of isotypical diphosphates PbCo<sub>3</sub>
(P<sub>2O7</sub>
)<sub>2</sub>
 and PbFe<sub>3</sub>
(P<sub>2</sub>
O<sub>7</sub>
)<sub>2</sub>
</title>
<author><name sortKey="Elmarzouki, A" sort="Elmarzouki, A" uniqKey="Elmarzouki A" first="A." last="Elmarzouki">A. Elmarzouki</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Univ. Mohammed V, fac. sci., lab. chimie solide appliquée</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<placeName><settlement type="city">Rabat</settlement>
<region nuts="2">Rabat-Salé-Kénitra</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Boukhari, A" sort="Boukhari, A" uniqKey="Boukhari A" first="A." last="Boukhari">A. Boukhari</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Univ. Mohammed V, fac. sci., lab. chimie solide appliquée</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<placeName><settlement type="city">Rabat</settlement>
<region nuts="2">Rabat-Salé-Kénitra</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Berrada, A" sort="Berrada, A" uniqKey="Berrada A" first="A." last="Berrada">A. Berrada</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Univ. Mohammed V, fac. sci., lab. chimie solide appliquée</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<placeName><settlement type="city">Rabat</settlement>
<region nuts="2">Rabat-Salé-Kénitra</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Holt, E M" sort="Holt, E M" uniqKey="Holt E" first="E. M." last="Holt">E. M. Holt</name>
</author>
</analytic>
<series><title level="j" type="main">Journal of solid state chemistry</title>
<title level="j" type="abbreviated">J. solid state chem.</title>
<idno type="ISSN">0022-4596</idno>
<imprint><date when="1995">1995</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">Journal of solid state chemistry</title>
<title level="j" type="abbreviated">J. solid state chem.</title>
<idno type="ISSN">0022-4596</idno>
</seriesStmt>
</fileDesc>
<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>Iron Pyrophosphates</term>
<term>Iron phosphates</term>
<term>Lead Pyrophosphates</term>
<term>Lead phosphates</term>
<term>Quaternary 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 quaternaire</term>
<term>Plomb phosphate</term>
<term>Cobalt phosphate</term>
<term>Fer phosphate</term>
<term>Plomb Diphosphate</term>
<term>Cobalt Diphosphate</term>
<term>Fer Diphosphate</term>
<term>6166F</term>
<term>PbCo3(P2O7)2</term>
<term>Co O P Pb</term>
<term>PbFe3(P2O7)2</term>
<term>Fe O P Pb</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Single crystals of the mixed metal diphosphates PbCo<sub>3</sub>
(P<sub>2</sub>
O<sub>7</sub>
)<sub>2</sub>
 (1) and PbFe<sub>3</sub>
(P<sub>2</sub>
O<sub>7</sub>
)<sub>2</sub>
 (II) have been prepared by direct fusion and characterized by single-crystal X-ray diffraction, for PbCo<sub>3</sub>
(P<sub>2</sub>
O<sub>7</sub>
)<sub>2</sub>
 (I), a = 7.275(5), b = 7.725(11), c = 9.511(4)Å, β = 111.89(4)°, monoclinic space group P2<sub>1</sub>
/c, V = 509.3(5) Å<sup>3</sup>
, d<sub>calC</sub>
 = 4.768 g cm<sup>-3</sup>
, Z = 2, R/R<sub>w</sub>
 = 3.9/5.1% for 1192 observed reflections. For PbFe<sub>3</sub>
(P<sub>2</sub>
O<sub>7</sub>
)<sub>2</sub>
 (II), a = 7.487(1), b = 7.739(1), c = 9.516(2) Å, β = 111.95(1)°, monoclinic space group P2<sub>1</sub>
/c, V = 511.4(2)Å<sup>3</sup>
, d<sub>calC</sub>
 = 4.693 g cm<sup>-3</sup>
, Z = 2, R/R<sub>w</sub>
 = 4.13/4.87% for 1153 observed reflections. (I) and (II) are isotypical with PbNi<sub>3</sub>
(P<sub>2</sub>
O7)<sub>2</sub>
 and SrNi<sub>3</sub>
(P<sub>2</sub>
O<sub>7</sub>
)<sub>2</sub>
. The solid lattice is characterized by layers of P<sub>2</sub>
O<sup>4-</sup>
<sub>7</sub>
 groups, parallel to the crystallographic plane (001) and joined by Pb<sup>2+</sup>
 and Co<sup>2+</sup>
 ions in (I) and Pb<sup>2+</sup>
 and Fe<sup>2+</sup>
 ions in (II). Lead is seen surrounded by eight oxygen atoms whereas the transition elements are found in chains of linked trimers extending in the [010] direction [Co-Co 3.182(3) and 3.256(3) Å ; Fe-Fe, 3.186(3) and 3.264 (3) Å] with distorted octahedral geometry at each metal atom.</div>
</front>
</TEI>
<affiliations><list><country><li>Maroc</li>
</country>
<region><li>Rabat-Salé-Kénitra</li>
</region>
<settlement><li>Rabat</li>
</settlement>
</list>
<tree><noCountry><name sortKey="Holt, E M" sort="Holt, E M" uniqKey="Holt E" first="E. M." last="Holt">E. M. Holt</name>
</noCountry>
<country name="Maroc"><region name="Rabat-Salé-Kénitra"><name sortKey="Elmarzouki, A" sort="Elmarzouki, A" uniqKey="Elmarzouki A" first="A." last="Elmarzouki">A. Elmarzouki</name>
</region>
<name sortKey="Berrada, A" sort="Berrada, A" uniqKey="Berrada A" first="A." last="Berrada">A. Berrada</name>
<name sortKey="Boukhari, A" sort="Boukhari, A" uniqKey="Boukhari A" first="A." last="Boukhari">A. Boukhari</name>
</country>
</tree>
</affiliations>
</record>

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Crystal structures of isotypical diphosphates PbCo3(P2O7)2 and PbFe3(P2O7)2

Crystal structures of isotypical diphosphates PbCo3(P2O7)2 and PbFe3(P2O7)2

Source :

Descripteurs français

English descriptors

Abstract

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