Bis(4-amino-pyridinium) hexa-aqua-nickel(II) bis-(sulfate).
Identifieur interne : 000100 ( Ncbi/Curation ); précédent : 000099; suivant : 000101Bis(4-amino-pyridinium) hexa-aqua-nickel(II) bis-(sulfate).
Auteurs : Thameur Sahbani [Tunisie] ; Wajda Smirani Sta [Tunisie] ; Mohamed Rzaigui [Tunisie]Source :
- Acta crystallographica. Section E, Structure reports online ; 2014.
Abstract
In the title compound, (C5H7N2)2[Ni(H2O)6](SO4)2, the Ni(II) cation is located on an inversion centre and is coordinated by six aqua ligands in a slightly distorted octa-hedral coordination environment. The [Ni(H2O)6](2+) ions are connected through an extensive network of O-H⋯O hydrogen bonds to sulfate anions, leading to the formation of layers parallel to (001). The 4-amino-pyridinium cations are located between these layers and are connected to the anionic framework by N-H⋯O hydrogen bonds. Weak π-π inter-actions between the pyridine rings, with a centroid-centroid distance of 3.754 (9) Å, provide additional stability to the crystal packing.
DOI: 10.1107/S1600536813032558
PubMed: 24526957
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Section E, Structure reports online</title><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In the title compound, (C5H7N2)2[Ni(H2O)6](SO4)2, the Ni(II) cation is located on an inversion centre and is coordinated by six aqua ligands in a slightly distorted octa-hedral coordination environment. The [Ni(H2O)6](2+) ions are connected through an extensive network of O-H⋯O hydrogen bonds to sulfate anions, leading to the formation of layers parallel to (001). The 4-amino-pyridinium cations are located between these layers and are connected to the anionic framework by N-H⋯O hydrogen bonds. Weak π-π inter-actions between the pyridine rings, with a centroid-centroid distance of 3.754 (9) Å, provide additional stability to the crystal packing.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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