NickelMaghrebV1, Main, Exploration, bibRecord, 000F63

Calcium nickel orthophosphate : crystal structure of Ca8.5Ni9.5(PO4)12

Identifieur interne : 000F63 ( Main/Exploration ); précédent : 000F62; suivant : 000F64

Calcium nickel orthophosphate : crystal structure of Ca8.5Ni9.5(PO4)12

Auteurs : B. Elbali [Maroc] ; A. Boukhari [Maroc] ; E. M. Holt ; J. Aride

Source :

Zeitschrift für Kristallographie [ 0044-2968 ] ; 1995.

RBID : Pascal:96-0013190

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Structure cristalline, XRD, Composé quaternaire, Calcium phosphate, Nickel phosphate, 6166F, Ca8,5Ni9,5(PO4)12, Ca Ni O P.

English descriptors

KwdEn :
- Calcium phosphates, Crystal structure, Experimental study, Nickel phosphates, Quaternary compounds, XRD.

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. Ca_8.5Ni_9.5 (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)°, D_calc = 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.

Affiliations:

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

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to stream PascalFrancis, to step Curation: 000522
to stream PascalFrancis, to step Checkpoint: 000551
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to stream Main, to step Curation: 000F63

Le document en format XML

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)<sub>12</sub>
</title>
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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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Ni<sub>9.5</sub>
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</title>
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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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<title level="j" type="abbreviated">Z. Kristallogr.</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Calcium phosphates</term>
<term>Crystal structure</term>
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<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>
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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>
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Calcium nickel orthophosphate : crystal structure of Ca8.5Ni9.5(PO4)12

Calcium nickel orthophosphate : crystal structure of Ca8.5Ni9.5(PO4)12

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri