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Pyridinium cis-diaqua­bis­(oxalato-κ(2) O,O′)chromate(III)

The title compound, (C(5)H(6)N)[Cr(C(2)O(4))(2)(H(2)O)(2)], contains one protonated pyridine mol­ecule and one [Cr(C(2)O(4))(2)(H(2)O)(2)](−) complex anion in the asymmetric unit. The Cr(III) in the complex anion is coordinated in a distorted octa­hedral environment by two O atoms from two cis water...

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Detalles Bibliográficos
Autores principales: Nenwa, Justin, Befolo, Olivier, Gouet, Bebga, Mbarki, Mohammed, Fokwa, Boniface P. T.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2012
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3515167/
https://www.ncbi.nlm.nih.gov/pubmed/23284394
http://dx.doi.org/10.1107/S1600536812044303
Descripción
Sumario:The title compound, (C(5)H(6)N)[Cr(C(2)O(4))(2)(H(2)O)(2)], contains one protonated pyridine mol­ecule and one [Cr(C(2)O(4))(2)(H(2)O)(2)](−) complex anion in the asymmetric unit. The Cr(III) in the complex anion is coordinated in a distorted octa­hedral environment by two O atoms from two cis water mol­ecules and four O atoms from two chelating oxalate dianions. The crystal packing is stabilized by inter­molecular N—H⋯O(oxalate) and O—H⋯O(oxalate) hydrogen bonds and by π–π stacking inter­actions (centroid–centroid distance = 3.602 Å) between pyridine rings, thereby building up a three-dimensional network.