β-Dicobalt pyrophosphate
Identifieur interne : 000359 ( PascalFrancis/Checkpoint ); précédent : 000358; suivant : 000360β-Dicobalt pyrophosphate
Auteurs : A. El Belghitti [Maroc] ; A. Boukhari [Maroc]Source :
- Acta crystallographica. Section C, Crystal structure communications [ 0108-2701 ] ; 1994.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
A new high-temperature or β form of dicobalt diphosphate, Co2P2O7, has been isolated in space group A2/m (non-standard setting of C2/m). As in other high-temperature forms of transition-metal pyrophosphates, metal atoms lie on planes in a two-dimensional hexagonal array [Co-Co distances 3.461 (4) and 3.284 (3) Å] with adjacent metal atoms linked by two O-atom bridges. Co atoms are octahedrally coordinated with final distortions [average Co-Oeq 2.14 (1), Co-Oax 2.32 (1) Å]
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Pascal:94-0443191Le document en format XML
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<s2>Rabat</s2>
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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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<author><name sortKey="Boukhari, A" sort="Boukhari, A" uniqKey="Boukhari A" first="A." last="Boukhari">A. Boukhari</name>
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<term>Experimental study</term>
<term>Ternary compounds</term>
<term>XRD</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>XRD</term>
<term>Structure cristalline</term>
<term>Composé ternaire</term>
<term>Cobalt phosphate</term>
<term>Cobalt Diphosphate</term>
<term>6166F</term>
<term>6110M</term>
<term>Co2P2O7</term>
<term>Co O P</term>
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<front><div type="abstract" xml:lang="en">A new high-temperature or β form of dicobalt diphosphate, Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
, has been isolated in space group A2/m (non-standard setting of C2/m). As in other high-temperature forms of transition-metal pyrophosphates, metal atoms lie on planes in a two-dimensional hexagonal array [Co-Co distances 3.461 (4) and 3.284 (3) Å] with adjacent metal atoms linked by two O-atom bridges. Co atoms are octahedrally coordinated with final distortions [average Co-O<sub>eq</sub>
2.14 (1), Co-O<sub>ax</sub>
2.32 (1) Å]</div>
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<fA11 i1="01" i2="1"><s1>EL BELGHITTI (A.)</s1>
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<fA11 i1="02" i2="1"><s1>BOUKHARI (A.)</s1>
</fA11>
<fA14 i1="01"><s1>Univ. Mohammed V, fac. sci., lab. chimie solide appliqué</s1>
<s2>Rabat</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<fA20><s1>482-484</s1>
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<fA21><s1>1994</s1>
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<fC01 i1="01" l="ENG"><s0>A new high-temperature or β form of dicobalt diphosphate, Co<sub>2</sub>
P<sub>2</sub>
O<sub>7</sub>
, has been isolated in space group A2/m (non-standard setting of C2/m). As in other high-temperature forms of transition-metal pyrophosphates, metal atoms lie on planes in a two-dimensional hexagonal array [Co-Co distances 3.461 (4) and 3.284 (3) Å] with adjacent metal atoms linked by two O-atom bridges. Co atoms are octahedrally coordinated with final distortions [average Co-O<sub>eq</sub>
2.14 (1), Co-O<sub>ax</sub>
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<fC02 i1="02" i2="3"><s0>001B60A10M</s0>
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<s5>01</s5>
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<s2>PAC</s2>
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<s5>56</s5>
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<fC03 i1="08" i2="3" l="FRE"><s0>6110M</s0>
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<fC03 i1="09" i2="3" l="FRE"><s0>Co2P2O7</s0>
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<s5>92</s5>
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<s5>06</s5>
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<s5>06</s5>
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<fN21><s1>201</s1>
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