CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000255

Crystal structures of two allotropic forms of Na2CoP2O7

Identifieur interne : 000255 ( Maroc/Analysis ); précédent : 000254; suivant : 000256

Crystal structures of two allotropic forms of Na2CoP2O7

Auteurs : F. Erragh [Maroc] ; ALI BOUKHARI ; BRAHIM ELOUADI ; E. M. Holt

Source :

Journal of crystallographic and spectroscopic research [ 0277-8068 ] ; 1991.

RBID : Pascal:92-0012623

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Diffraction RX, Composé minéral, Cobalt Sodium Diphosphate Mixte, Structure cristalline, Structure tunnel.
Wicri :
- topic : Composé minéral.

English descriptors

KwdEn :
- Channel structure, Cobalt Sodium Diphosphates Mixed, Crystalline structure, Experimental study, Inorganic compound, X ray diffraction.

Abstract

Na₂CoP₂O₇ may be preparared in two allotropic forms : I, rose, M_r=378.85, triclinic, P1, a=9.735(2), b=1.940(3), c=12.289(4) Å, α=148.78, β=121.76(1), γ=68.38(2)^o, V=566.8(2) Å, Z=4, D_meas=3.28(5) g cm^-o, D_calc=3.267 g cm^-3, λ(Mo K_α)=0.71069 Å, μ=37.12 cm-¹, F(000)=540, T=298 K, R=534% for 2911 observed reflections; and II, blue, M_r=278.85, orthorhombic, P2₁cn, a=7.713(2) Å, b=4.271(4), c=15.378(6)^o, V=1218.2(8) Å, Z=8, D_meas=3.06(5) g cm^-3, D_calc=3.040 g cm^-1, λ(Mo K_α)=0.71069 Å, μ=34.55 cm^-1, F(000)=1080, T=298 K, R=9.9% for 1450 observed reflections

Affiliations:

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Le document en format XML

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CoP<sub>2</sub>
O<sub>7</sub>
</title>
<author><name sortKey="Erragh, F" sort="Erragh, F" uniqKey="Erragh F" first="F." last="Erragh">F. Erragh</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Univ. Mohammed V, fac. sci., dép. chimie</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
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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="Ali Boukhari" sort="Ali Boukhari" uniqKey="Ali Boukhari" last="Ali Boukhari">ALI BOUKHARI</name>
</author>
<author><name sortKey="Brahim Elouadi" sort="Brahim Elouadi" uniqKey="Brahim Elouadi" last="Brahim Elouadi">BRAHIM ELOUADI</name>
</author>
<author><name sortKey="Holt, E M" sort="Holt, E M" uniqKey="Holt E" first="E. M." last="Holt">E. M. Holt</name>
</author>
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<idno type="inist">92-0012623</idno>
<date when="1991">1991</date>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Crystal structures of two allotropic forms of Na<sub>2</sub>
CoP<sub>2</sub>
O<sub>7</sub>
</title>
<author><name sortKey="Erragh, F" sort="Erragh, F" uniqKey="Erragh F" first="F." last="Erragh">F. Erragh</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Univ. Mohammed V, fac. sci., dép. chimie</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
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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="Ali Boukhari" sort="Ali Boukhari" uniqKey="Ali Boukhari" last="Ali Boukhari">ALI BOUKHARI</name>
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<author><name sortKey="Brahim Elouadi" sort="Brahim Elouadi" uniqKey="Brahim Elouadi" last="Brahim Elouadi">BRAHIM ELOUADI</name>
</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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<series><title level="j" type="main">Journal of crystallographic and spectroscopic research</title>
<title level="j" type="abbreviated">J. crystallogr. spectrosc. res.</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Channel structure</term>
<term>Cobalt Sodium Diphosphates Mixed</term>
<term>Crystalline structure</term>
<term>Experimental study</term>
<term>Inorganic compound</term>
<term>X ray diffraction</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Diffraction RX</term>
<term>Composé minéral</term>
<term>Cobalt Sodium Diphosphate Mixte</term>
<term>Structure cristalline</term>
<term>Structure tunnel</term>
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<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Composé minéral</term>
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<front><div type="abstract" xml:lang="en">Na<sub>2</sub>
CoP<sub>2</sub>
O<sub>7</sub>
 may be preparared in two allotropic forms : I, rose, M<sub>r</sub>
=378.85, triclinic, P1, a=9.735(2), b=1.940(3), c=12.289(4) Å, α=148.78, β=121.76(1), γ=68.38(2)<sup>o</sup>
, V=566.8(2) Å, Z=4, D<sub>meas</sub>
=3.28(5) g cm<sup>-o</sup>
, D<sub>calc</sub>
=3.267 g cm<sup>-3</sup>
, λ(Mo K<sub>α</sub>
)=0.71069 Å, μ=37.12 cm-<sup>1</sup>
, F(000)=540, T=298 K, R=534% for 2911 observed reflections; and II, blue, M<sub>r</sub>
=278.85, orthorhombic, P2<sub>1</sub>
cn, a=7.713(2) Å, b=4.271(4), c=15.378(6)<sup>o</sup>
, V=1218.2(8) Å, Z=8, D<sub>meas</sub>
=3.06(5) g cm<sup>-3</sup>
, D<sub>calc</sub>
=3.040 g cm<sup>-1</sup>
, λ(Mo K<sub>α</sub>
)=0.71069 Å, μ=34.55 cm<sup>-1</sup>
, F(000)=1080, T=298 K, R=9.9% for 1450 observed reflections</div>
</front>
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<affiliations><list><country><li>Maroc</li>
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<settlement><li>Rabat</li>
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<tree><noCountry><name sortKey="Ali Boukhari" sort="Ali Boukhari" uniqKey="Ali Boukhari" last="Ali Boukhari">ALI BOUKHARI</name>
<name sortKey="Brahim Elouadi" sort="Brahim Elouadi" uniqKey="Brahim Elouadi" last="Brahim Elouadi">BRAHIM ELOUADI</name>
<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="Erragh, F" sort="Erragh, F" uniqKey="Erragh F" first="F." last="Erragh">F. Erragh</name>
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Crystal structures of two allotropic forms of Na2CoP2O7

Crystal structures of two allotropic forms of Na2CoP2O7

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)

Pour mettre un lien sur cette page dans le réseau Wicri