Serveur d'exploration sur le cobalt au Maghreb

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Poly[[diaqua­bis­(μ2-4,4′-bipyrid­yl)cobalt(II)] dinitrate tetra­hydrate]

Identifieur interne : 000212 ( Main/Exploration ); précédent : 000211; suivant : 000213

Poly[[diaqua­bis­(μ2-4,4′-bipyrid­yl)cobalt(II)] dinitrate tetra­hydrate]

Auteurs : Asma Lehleh [Algérie] ; Mehdi Boutebdja [Algérie] ; Adel Beghidja [Algérie] ; Chahrazed Beghidja [Algérie] ; Hocine Merazig [Algérie]

Source :

RBID : PMC:3629466

Abstract

The title compound, {[Co(C10H8N2)2(H2O)2](NO3)2·4H2O}n, (C10H8N2 = 4,4′-bipyridine = 4,4′-bpy) is a layered coordination polymer built up from a cationic square grid extending in (101) enclosing uncoordinating nitrate ions and water mol­ecules. The CoII ion has site symmetry 2 and one of the 4,4′-bpy ligands is generated by twofold symmetry [two N atoms and two C atoms lie on the rotation axis and the dihedral angle between the pyridine rings is 45.66 (5)°]. The other 4,4′-bpy ligand is generated by a crystallographic inversion center. The CoII ion exhibits a slightly distorted octa­hedral coordination geometry defined by two O atoms of two coordinating water mol­ecules and four N atoms from four bridging 4,4′-bpy ligands. The structure is consolidated by O—H⋯O, C—H⋯O and C—H⋯N hydrogen bonds.


Url:
DOI: 10.1107/S1600536813005230
PubMed: 23633984
PubMed Central: 3629466


Affiliations:


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<title xml:lang="en" level="a" type="main">Poly[[diaqua­bis­(μ
<sub>2</sub>
-4,4′-bipyrid­yl)cobalt(II)] dinitrate tetra­hydrate]</title>
<author>
<name sortKey="Lehleh, Asma" sort="Lehleh, Asma" uniqKey="Lehleh A" first="Asma" last="Lehleh">Asma Lehleh</name>
<affiliation wicri:level="1">
<nlm:aff id="a">Unité de Recherche de Chimie de l’Environnement et Moléculaire Structurale (CHEMS), Faculté des Sciences Exactes, Département de Chimie, Université de Constantine 1, 25000 Constantine,
<country>Algeria</country>
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<country xml:lang="fr">Algérie</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<name sortKey="Boutebdja, Mehdi" sort="Boutebdja, Mehdi" uniqKey="Boutebdja M" first="Mehdi" last="Boutebdja">Mehdi Boutebdja</name>
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<nlm:aff id="a">Unité de Recherche de Chimie de l’Environnement et Moléculaire Structurale (CHEMS), Faculté des Sciences Exactes, Département de Chimie, Université de Constantine 1, 25000 Constantine,
<country>Algeria</country>
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<country xml:lang="fr">Algérie</country>
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<country>Algeria</country>
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<country>Algeria</country>
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<name sortKey="Merazig, Hocine" sort="Merazig, Hocine" uniqKey="Merazig H" first="Hocine" last="Merazig">Hocine Merazig</name>
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<nlm:aff id="a">Unité de Recherche de Chimie de l’Environnement et Moléculaire Structurale (CHEMS), Faculté des Sciences Exactes, Département de Chimie, Université de Constantine 1, 25000 Constantine,
<country>Algeria</country>
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<title level="j">Acta Crystallographica Section E: Structure Reports Online</title>
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<p>The title compound, {[Co(C
<sub>10</sub>
H
<sub>8</sub>
N
<sub>2</sub>
)
<sub>2</sub>
(H
<sub>2</sub>
O)
<sub>2</sub>
](NO
<sub>3</sub>
)
<sub>2</sub>
·4H
<sub>2</sub>
O}
<sub>
<italic>n</italic>
</sub>
, (C
<sub>10</sub>
H
<sub>8</sub>
N
<sub>2</sub>
= 4,4′-bipyridine = 4,4′-bpy) is a layered coordination polymer built up from a cationic square grid extending in (101) enclosing uncoordinating nitrate ions and water mol­ecules. The Co
<sup>II</sup>
ion has site symmetry 2 and one of the 4,4′-bpy ligands is generated by twofold symmetry [two N atoms and two C atoms lie on the rotation axis and the dihedral angle between the pyridine rings is 45.66 (5)°]. The other 4,4′-bpy ligand is generated by a crystallographic inversion center. The Co
<sup>II</sup>
ion exhibits a slightly distorted octa­hedral coordination geometry defined by two O atoms of two coordinating water mol­ecules and four N atoms from four bridging 4,4′-bpy ligands. The structure is consolidated by O—H⋯O, C—H⋯O and C—H⋯N hydrogen bonds.</p>
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