CobaltMaghrebV1, Main, Exploration, bibRecord, 000475

Poly[di-μ-aqua-diaqua-di-μ6-malonato-cobalt(II)dipotassium(I)]

Identifieur interne : 000475 ( Main/Exploration ); précédent : 000474; suivant : 000476

Poly[di-μ-aqua-diaqua-di-μ6-malonato-cobalt(II)dipotassium(I)]

Auteurs : Adama Sy [Sénégal] ; Aliou Hamady Barry [Mauritanie] ; Mohamed Gaye [Sénégal] ; Abdou Salam Sall [Sénégal] ; Ahmed Driss [Tunisie]

Source :

Acta Crystallographica Section E: Structure Reports Online [ 1600-5368 ] ; 2011.

RBID : PMC:3089327

Abstract

In the title complex, [CoK₂(C₃H₂O₄)₂(H₂O)₄]_n, the Co atom is located on a position with site symmetry 2/m, the K atom and one water molecule are located on a mirror plane, and the malonate and one water molecule are located on a twofold rotation axis. The K^I atom is seven-coordinated by four carboxylate O atoms from four malonate ligands and by three water O atoms, forming a distorted polyhedron. The Co^II atom is in an almost octahedral environment formed by four carboxylate O atoms from two malonate ligands and two water O atoms. The structure consists of layers parallel to (20) built up from edge-sharing KO₇ and CoO₆ polyhedra, which are connected by O—H⋯O hydrogen bonding including water molecules into a three-dimensional network.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3089327

DOI: 10.1107/S1600536811012839
PubMed: 21754320
PubMed Central: 3089327

Affiliations:

Mauritanie, Sénégal, Tunisie

Le document en format XML

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-malonato-cobalt(II)dipotassium(I)]</title>
<author><name sortKey="Sy, Adama" sort="Sy, Adama" uniqKey="Sy A" first="Adama" last="Sy">Adama Sy</name>
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<author><name sortKey="Sall, Abdou Salam" sort="Sall, Abdou Salam" uniqKey="Sall A" first="Abdou Salam" last="Sall">Abdou Salam Sall</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Poly[di-μ-aqua-diaqua-di-μ<sub>6</sub>
-malonato-cobalt(II)dipotassium(I)]</title>
<author><name sortKey="Sy, Adama" sort="Sy, Adama" uniqKey="Sy A" first="Adama" last="Sy">Adama Sy</name>
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<author><name sortKey="Barry, Aliou Hamady" sort="Barry, Aliou Hamady" uniqKey="Barry A" first="Aliou Hamady" last="Barry">Aliou Hamady Barry</name>
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<country xml:lang="fr">Mauritanie</country>
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<front><div type="abstract" xml:lang="en"><p>In the title complex, [CoK<sub>2</sub>
(C<sub>3</sub>
H<sub>2</sub>
O<sub>4</sub>
)<sub>2</sub>
(H<sub>2</sub>
O)<sub>4</sub>
]<sub><italic>n</italic>
</sub>
, the Co atom is located on a position with site symmetry 2/<italic>m</italic>
, the K atom and one water molecule are located on a mirror plane, and the malonate and one water molecule are located on a twofold rotation axis. The K<sup>I</sup>
 atom is seven-coordinated by four carboxylate O atoms from four malonate ligands and by three water O atoms, forming a distorted polyhedron. The Co<sup>II</sup>
 atom is in an almost octahedral environment formed by four carboxylate O atoms from two malonate ligands and two water O atoms. The structure consists of layers parallel to (20<inline-formula><inline-graphic xlink:href="e-67-0m601-efi1.jpg" mimetype="image" mime-subtype="gif"></inline-graphic>
</inline-formula>
) built up from edge-sharing KO<sub>7</sub>
 and CoO<sub>6</sub>
 polyhedra, which are connected by O—H⋯O hydrogen bonding including water molecules into a three-dimensional network.</p>
</div>
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Serveur d'exploration sur le cobalt au Maghreb

Poly[di-μ-aqua-diaqua-di-μ6-malonato-cobalt(II)dipotassium(I)]

Poly[di-μ-aqua-diaqua-di-μ6-malonato-cobalt(II)dipotassium(I)]

Source :

Abstract

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