Calcium nickel orthophosphate : crystal structure of Ca8.5Ni9.5(PO4)12
Identifieur interne : 000F63 ( Main/Curation ); précédent : 000F62; suivant : 000F64Calcium nickel orthophosphate : crystal structure of Ca8.5Ni9.5(PO4)12
Auteurs : B. Elbali [Maroc] ; A. Boukhari [Maroc] ; E. M. Holt ; J. ArideSource :
- Zeitschrift für Kristallographie [ 0044-2968 ] ; 1995.
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- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
A calcium nickel orthophosphate complex has been isolated and shown to display a solid state structure similar to that of α-Ca3(PO4)3 with columns of cations surrounded by (PO4)-nickel-(PO4)-vacancy columns in hexagonal array. Calcium and nickel atoms are distributed within the cation columns. Ca8.5Ni9.5 (PO4)12 (space group C2/c, a = 22.819(5) Å, b = 9.944(2) Å, c = 16.982(3) Å, β = 99.97(3)°, Dcalc = 3.67 g cm-3, Z = 4, R = 5.59% for 3216 obs. refls.) shows cation columns to contain 29.2% nickel and 70.8% calcium atoms.
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Pascal:96-0013190Le document en format XML
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Ni<sub>9.5</sub>
(PO<sub>4</sub>
)<sub>12</sub>
</title>
<author><name sortKey="Elbali, B" sort="Elbali, B" uniqKey="Elbali B" first="B." last="Elbali">B. Elbali</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>
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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>
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<country>Maroc</country>
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<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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<author><name sortKey="Aride, J" sort="Aride, J" uniqKey="Aride J" first="J." last="Aride">J. Aride</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Calcium nickel orthophosphate : crystal structure of Ca<sub>8.5</sub>
Ni<sub>9.5</sub>
(PO<sub>4</sub>
)<sub>12</sub>
</title>
<author><name sortKey="Elbali, B" sort="Elbali, B" uniqKey="Elbali B" first="B." last="Elbali">B. Elbali</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>
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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="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>
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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="Holt, E M" sort="Holt, E M" uniqKey="Holt E" first="E. M." last="Holt">E. M. Holt</name>
</author>
<author><name sortKey="Aride, J" sort="Aride, J" uniqKey="Aride J" first="J." last="Aride">J. Aride</name>
</author>
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<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="1995">1995</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Calcium phosphates</term>
<term>Crystal structure</term>
<term>Experimental study</term>
<term>Nickel phosphates</term>
<term>Quaternary compounds</term>
<term>XRD</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Structure cristalline</term>
<term>XRD</term>
<term>Composé quaternaire</term>
<term>Calcium phosphate</term>
<term>Nickel phosphate</term>
<term>6166F</term>
<term>Ca8,5Ni9,5(PO4)12</term>
<term>Ca Ni O P</term>
</keywords>
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<front><div type="abstract" xml:lang="en">A calcium nickel orthophosphate complex has been isolated and shown to display a solid state structure similar to that of α-Ca<sub>3</sub>
(PO<sub>4</sub>
)<sub>3</sub>
with columns of cations surrounded by (PO<sub>4</sub>
)-nickel-(PO<sub>4</sub>
)-vacancy columns in hexagonal array. Calcium and nickel atoms are distributed within the cation columns. Ca<sub>8.5</sub>
Ni<sub>9.5</sub>
(PO<sub>4</sub>
)<sub>12</sub>
(space group C2/c, a = 22.819(5) Å, b = 9.944(2) Å, c = 16.982(3) Å, β = 99.97(3)°, D<sub>calc</sub>
= 3.67 g cm<sup>-3</sup>
, Z = 4, R = 5.59% for 3216 obs. refls.) shows cation columns to contain 29.2% nickel and 70.8% calcium atoms.</div>
</front>
</TEI>
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