Bis(dimethylmalonato-κ2O,O′)bis[4-(4-pyridylamino-κN4)pyridinium]nickel(II) hexahydrate
Identifieur interne : 000840 ( Ncbi/Curation ); précédent : 000839; suivant : 000841Bis(dimethylmalonato-κ2O,O′)bis[4-(4-pyridylamino-κN4)pyridinium]nickel(II) hexahydrate
Auteurs : Gregory A. Farnum [États-Unis] ; Robert L. Laduca [États-Unis]Source :
- Acta Crystallographica Section E: Structure Reports Online [ 1600-5368 ] ; 2008.
Abstract
In the title compound, [Ni(C5H6O4)2(C10H10N3)2]·6H2O, divalent nickel ions situated on the crystallographic twofold axis are octahedrally coordinated by four O atoms from two dimethylmalonate ligands in a 1,3-chelating mode and two N atoms from two protonated monodentate 4,4′-dipyridylamine molecules. The molecules link into chains
Url:
DOI: 10.1107/S160053680803835X
PubMed: 21581200
PubMed Central: 2960085
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PMC:2960085Le document en format XML
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<italic>O</italic>
,<italic>O</italic>
′)bis[4-(4-pyridylamino-κ<italic>N</italic>
<sup>4</sup>
)pyridinium]nickel(II) hexahydrate</title>
<author><name sortKey="Farnum, Gregory A" sort="Farnum, Gregory A" uniqKey="Farnum G" first="Gregory A." last="Farnum">Gregory A. Farnum</name>
<affiliation wicri:level="1"><nlm:aff id="a">Lyman Briggs College, Department of Chemistry, Michigan State University, East Lansing, MI 48825,<country>USA</country>
</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Laduca, Robert L" sort="Laduca, Robert L" uniqKey="Laduca R" first="Robert L." last="Laduca">Robert L. Laduca</name>
<affiliation wicri:level="1"><nlm:aff id="a">Lyman Briggs College, Department of Chemistry, Michigan State University, East Lansing, MI 48825,<country>USA</country>
</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Bis(dimethylmalonato-κ<sup>2</sup>
<italic>O</italic>
,<italic>O</italic>
′)bis[4-(4-pyridylamino-κ<italic>N</italic>
<sup>4</sup>
)pyridinium]nickel(II) hexahydrate</title>
<author><name sortKey="Farnum, Gregory A" sort="Farnum, Gregory A" uniqKey="Farnum G" first="Gregory A." last="Farnum">Gregory A. Farnum</name>
<affiliation wicri:level="1"><nlm:aff id="a">Lyman Briggs College, Department of Chemistry, Michigan State University, East Lansing, MI 48825,<country>USA</country>
</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<author><name sortKey="Laduca, Robert L" sort="Laduca, Robert L" uniqKey="Laduca R" first="Robert L." last="Laduca">Robert L. Laduca</name>
<affiliation wicri:level="1"><nlm:aff id="a">Lyman Briggs College, Department of Chemistry, Michigan State University, East Lansing, MI 48825,<country>USA</country>
</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<series><title level="j">Acta Crystallographica Section E: Structure Reports Online</title>
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<front><div type="abstract" xml:lang="en"><p>In the title compound, [Ni(C<sub>5</sub>
H<sub>6</sub>
O<sub>4</sub>
)<sub>2</sub>
(C<sub>10</sub>
H<sub>10</sub>
N<sub>3</sub>
)<sub>2</sub>
]·6H<sub>2</sub>
O, divalent nickel ions situated on the crystallographic twofold axis are octahedrally coordinated by four O atoms from two dimethylmalonate ligands in a 1,3-chelating mode and two N atoms from two protonated monodentate 4,4′-dipyridylamine molecules. The molecules link into chains <italic>via</italic>
N—H⋯O hydrogen bonding mediated by protonated pyridyl groups. The chains form layer patterns <italic>via</italic>
π–π stacking [centroid–centroid distance = 3.777 (2) Å] . Water molecule hexamers are generated from the unligated water molecules (three per asymmetric unit) by inversion centers at Wyckoff position <italic>d</italic>
. These clusters are situated between the pseudolayers, providing hydrogen-bonding pathways that build up the three-dimensional structure.</p>
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